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Blizzard Entertainment, Inc. is an American
video game developer A video game developer is a software developer specializing in video game development – the process and related disciplines of creating video games. A game developer can range from one person who undertakes all tasks to a large business with em ...
and
publisher Publishing is the activities of making information, literature, music, software, and other content, physical or digital, available to the public for sale or free of charge. Traditionally, the term publishing refers to the creation and distribu ...
based in
Irvine, California Irvine () is a Planned community, planned city in central Orange County, California, United States, in the Los Angeles metropolitan area. It was named in 1888 for the landowner James Irvine. The Irvine Company started developing the area in the ...
, and a subsidiary of
Activision Blizzard Activision Blizzard, Inc. is an American video game holding company based in Santa Monica, California. Activision Blizzard currently includes three operating units: Activision, Blizzard Entertainment and King (company), King. Founded in July 2 ...
. Originally founded in 1991, the company is best known for producing the highly influential
massively multiplayer online role-playing game A massively multiplayer online role-playing game (MMORPG) is a video game that combines aspects of a role-playing video game and a massively multiplayer online game. As in role-playing games (RPGs), the player assumes the role of a Player charac ...
''
World of Warcraft ''World of Warcraft'' (''WoW'') is a 2004 massively multiplayer online role-playing (MMORPG) video game developed and published by Blizzard Entertainment for Windows and Mac OS X. Set in the '' Warcraft'' fantasy universe, ''World of War ...
'' (2004) as well as the multi million-selling video game franchises '' Diablo,'' ''
StarCraft ''StarCraft'' is a military science fiction media franchise created by Chris Metzen and James Phinney and owned by Blizzard Entertainment. The series, set in the beginning of the 26th century, centers on a galactic struggle for dominance amon ...
'', and ''
Overwatch ''Overwatch'' (abbreviated as OW) is a multimedia franchise centered on a series of multiplayer first-person shooter (FPS) video games developed by Blizzard Entertainment. ''Overwatch (video game), Overwatch'' was released in 2016 with a success ...
''. (until 2009: 20M) The company also operates Battle.net, an online gaming service. Founded as Silicon & Synapse, Inc. by three graduates of the
University of California, Los Angeles The University of California, Los Angeles (UCLA) is a public university, public Land-grant university, land-grant research university in Los Angeles, California, United States. Its academic roots were established in 1881 as a normal school the ...
:
Michael Morhaime Michael Morhaime (born November 3, 1967) is an American video game developer and entrepreneur. He is the chief executive officer (CEO) and founder of Dreamhaven, located in Irvine, California. Morhaime is best known as the co-founder and the fo ...
,
Allen Adham Allen Adham (born Ayman Adham) is an Egyptian-American businessman and video game developer best known for co-founding Blizzard Entertainment with Michael Morhaime. Early life Ayman Adham was born on September 6, 1966, in Los Angeles, Califor ...
, and Frank Pearce the company began development of their own software in 1993, with games like '' Rock n' Roll Racing'' and ''
The Lost Vikings ''The Lost Vikings'' is a 1993 puzzle-platform game developed by Silicon & Synapse (now Blizzard Entertainment) and published by Interplay. It was initially released for the Super NES, then subsequently released for the Amiga, Amiga CD32, MS-DO ...
'', and changed its name to Chaos Studios, Inc. the same year, then to Blizzard Entertainment after being acquired by distributor
Davidson & Associates Davidson & Associates, Inc. was an American developer of educational software based in Torrance, California. The company was founded in 1984 by husband-and-wife Bob and Jan Davidson, the latter of whom led the company as president until January 1 ...
in 1994; that year, the company released '' Warcraft: Orcs & Humans'', which would receive numerous sequels and led to the highly popular ''World of Warcraft''. By the end of the decade, Blizzard also found success with the action role-playing game '' Diablo'' (1997) and strategy game ''
StarCraft ''StarCraft'' is a military science fiction media franchise created by Chris Metzen and James Phinney and owned by Blizzard Entertainment. The series, set in the beginning of the 26th century, centers on a galactic struggle for dominance amon ...
'' (1998). The company became part of
Vivendi Games Vivendi Games (formerly known as CUC Software, Cendant Software, Havas Interactive, Vivendi Universal Interactive Publishing and Vivendi Universal Games) was an American video game publisher and holding company based in Los Angeles. It was foun ...
in 1998, which would then merge with
Activision Activision Publishing, Inc. is an American video game publisher based in Santa Monica, California. It serves as the publishing business for its parent company, Activision Blizzard, and consists of several subsidiary studios. Activision is one o ...
in 2008, culminating in the inclusion of the Blizzard brand name in the title of the resulting holding company; Activision Blizzard became completely independent from Vivendi in 2013.
Microsoft Microsoft Corporation is an American multinational corporation and technology company, technology conglomerate headquartered in Redmond, Washington. Founded in 1975, the company became influential in the History of personal computers#The ear ...
acquired ''Acquired'' is a podcast by Ben Gilbert and David Rosenthal about business history and strategy. As of 2024, the podcast has more than 600,000 monthly listeners. History Gilbert and Rosenthal worked together at Madrona Venture Group and ini ...
Activision Blizzard in 2023, maintaining that the company will continue to operate as a separate business, while part of the larger
Microsoft Gaming Microsoft Gaming is an American multinational video game and digital entertainment division of Microsoft based in Redmond, Washington, established in 2022. Its five development and publishing labels consist of: Xbox Game Studios, Bethesda Soft ...
division; Blizzard Entertainment retains its function as the publisher of games developed by their studios. Since 2005, Blizzard Entertainment has hosted annual
gaming convention A gaming convention is a gathering centered on role-playing games, collectible card games, miniatures wargames, board games, video games, or other types of games. These conventions are typically two or three business days long, and often held at ...
s for fans to meet and to promote their games, called
BlizzCon BlizzCon is an annual gaming convention held by Blizzard Entertainment to promote its major franchises including '' Warcraft'', '' StarCraft'', '' Diablo'', ''Hearthstone'', ''Heroes of the Storm,'' and '' Overwatch''. The first BlizzCon was h ...
, as well as a number of global events outside the United States. In the 2010s and 2020s, Blizzard has continued development of expansion packs for ''World of Warcraft'' (the most recent being 2024's '' The War Within''), while also releasing '' StarCraft: Remastered'' (2017), ''
Diablo III ''Diablo III'' is a 2012 online-only action role-playing dungeon crawling game developed and published by Blizzard Entertainment as the third installment in the ''Diablo'' franchise. It was released for Microsoft Windows and OS X in May 2012, ...
'' (2012) and ''
Diablo IV ''Diablo IV'' is a 2023 Online game, online-only Action role-playing game, action role-playing dungeon crawling game developed and published by Blizzard Entertainment. It is the fourth main installment in the ''Diablo (series), Diablo'' series. ...
'' (2023), as well as new material most notably the
online multiplayer A multiplayer video game is a video game in which more than one person can play in the same game environment at the same time, either locally on the same computing system (couch co-op), on different computing systems via a local area network, or ...
games ''
Hearthstone ''Hearthstone'' is a 2014 Online game, online digital collectible card game, digital collectible card video game produced by Blizzard Entertainment, released under the free-to-play model. Originally subtitled ''Heroes of Warcraft'', ''Hearthsto ...
'', a
collectible card game A collectible card game (CCG), also called a trading card game (TCG) among other names, is a type of card game that mixes strategy game, strategic deck building elements with features of trading cards. The genre was introduced with ''Magic: The G ...
; ''
Heroes of the Storm ''Heroes of the Storm'' is a multiplayer online battle arena video game developed and published by Blizzard Entertainment. Announced at BlizzCon 2010, it was released on June 2, 2015 for macOS and Windows. The game features various crossover ...
'', a battle arena game; and ''
Overwatch ''Overwatch'' (abbreviated as OW) is a multimedia franchise centered on a series of multiplayer first-person shooter (FPS) video games developed by Blizzard Entertainment. ''Overwatch (video game), Overwatch'' was released in 2016 with a success ...
'' and ''
Overwatch 2 ''Overwatch 2'' is a 2023 first-person shooter video game by Blizzard Entertainment. As a sequel and replacement to the 2016 hero shooter ''Overwatch'', the game included new gamemodes and a reduction in team size from six to five. The game is ...
'', which are first-person shooters. Since 2018, the company's reputation has suffered from a series of poorly received games, controversies involving players and staff, and allegations of sexual harassment and other misconduct against leading Blizzard employees.


History


Founding (1991–1994)

Blizzard Entertainment was founded by
Michael Morhaime Michael Morhaime (born November 3, 1967) is an American video game developer and entrepreneur. He is the chief executive officer (CEO) and founder of Dreamhaven, located in Irvine, California. Morhaime is best known as the co-founder and the fo ...
, Allen Adham, and Frank Pearce as Silicon & Synapse in February 1991, after all three had earned their
bachelor's degree A bachelor's degree (from Medieval Latin ''baccalaureus'') or baccalaureate (from Modern Latin ''baccalaureatus'') is an undergraduate degree awarded by colleges and universities upon completion of a course of study lasting three to six years ...
s from the
University of California, Los Angeles The University of California, Los Angeles (UCLA) is a public university, public Land-grant university, land-grant research university in Los Angeles, California, United States. Its academic roots were established in 1881 as a normal school the ...
the year prior. The name "Silicon & Synapse" was a high concept from the three founders, with "silicon" representing the building block of a computer, while "synapse" the building block of the brain. The initial logo was created by Stu Rose. To fund the company, each of them contributed about $10,000, Morhaime borrowing the sum interest-free from his grandmother. Their offices were established in a business park near the
University of California, Irvine The University of California, Irvine (UCI or UC Irvine) is a Public university, public Land-grant university, land-grant research university in Irvine, California, United States. One of the ten campuses of the University of California system, U ...
in
Irvine, California Irvine () is a Planned community, planned city in central Orange County, California, United States, in the Los Angeles metropolitan area. It was named in 1888 for the landowner James Irvine. The Irvine Company started developing the area in the ...
. During the first two years, the company focused on creating game
ports Ports collections (or ports trees, or just ports) are the sets of makefiles and Patch (Unix), patches provided by the BSD-based operating systems, FreeBSD, NetBSD, and OpenBSD, as a simple method of installing software or creating binary packages. T ...
for other studios.
Interplay Productions Interplay Entertainment Corp. is an American video game developer and Video game publisher, publisher based in Los Angeles. The company was founded in 1983 as Interplay Productions by developers Brian Fargo, Jay Patel, Troy Worrell, and Rebecca ...
' Brian Fargo was friends with Adham and had a 10% stake in Silicon & Synapse. Fargo provided the company with conversion contacts for the games Interplay was publishing, starting with ''
Battle Chess ''Battle Chess'' is a video game version of chess with 2.5D graphics and fighting animations showing the result of one piece moving onto the square of another. It was developed and released by Interplay Entertainment for the Amiga in 1988 and po ...
''.Schreier, 2024, Chapter 1 Other titles included Ports include titles such as '' J.R.R. Tolkien's The Lord of the Rings, Vol. I'' and ''Battle Chess II: Chinese Chess''. Fargo then enlisted Silicon & Synapse around 1991 to help develop ''
RPM Racing ''RPM Racing'' (short for ''Radical Psycho Machine Racing'') is a Super Nintendo Entertainment System racing game developed by Silicon & Synapse (now known as Blizzard Entertainment) and published by Interplay Productions. It is a successful r ...
'' that Interplay was preparing for the launch of the
Super Nintendo Entertainment System The Super Nintendo Entertainment System, commonly shortened to Super Nintendo, Super NES or SNES, is a Fourth generation of video game consoles, 16-bit home video game console developed by Nintendo that was released in 1990 in Japan, 1991 in No ...
. Fargo remained impressed with Silicon & Synapse's work, and provided them the ability to write their own games to be published by Interplay. The first two titles developed solely by the company were '' Rock n' Roll Racing'', a sequel to ''RPM Racing'', and ''
The Lost Vikings ''The Lost Vikings'' is a 1993 puzzle-platform game developed by Silicon & Synapse (now Blizzard Entertainment) and published by Interplay. It was initially released for the Super NES, then subsequently released for the Amiga, Amiga CD32, MS-DO ...
'' inspired by ''
Lemmings A lemming is a small rodent, usually found in or near the Arctic in tundra biomes. Lemmings form the subfamily Arvicolinae (also known as Microtinae) together with voles and muskrats, which form part of the superfamily Muroidea, which also incl ...
''. Around 1993, co-founder Adham told the other executives that he did not like the name "Silicon & Synapse" anymore, as outsiders were confusing the
element Element or elements may refer to: Science * Chemical element, a pure substance of one type of atom * Heating element, a device that generates heat by electrical resistance * Orbital elements, parameters required to identify a specific orbit of o ...
silicon Silicon is a chemical element; it has symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic lustre, and is a tetravalent metalloid (sometimes considered a non-metal) and semiconductor. It is a membe ...
used in
microchips An integrated circuit (IC), also known as a microchip or simply chip, is a set of electronic circuits, consisting of various electronic components (such as transistors, resistors, and capacitors) and their interconnections. These components a ...
with
silicone In Organosilicon chemistry, organosilicon and polymer chemistry, a silicone or polysiloxane is a polymer composed of repeating units of siloxane (, where R = Organyl group, organic group). They are typically colorless oils or elastomer, rubber ...
polymer A polymer () is a chemical substance, substance or material that consists of very large molecules, or macromolecules, that are constituted by many repeat unit, repeating subunits derived from one or more species of monomers. Due to their br ...
of
breast implants A breast implant is a prosthesis used to change the size, shape, and contour of a person's breast. In reconstructive plastic surgery, breast implants can be placed to restore a natural looking breast following a mastectomy, to correct congenital ...
. By the end of 1993, Adham changed the name to "Chaos Studios," reflecting on the haphazardness of their development processes. Near this same time, the company started to explore options in publishing their own games, as their conversion contracts were not as lucrative for the company. Inspired by the multiplayer aspects of
Westwood Studios Westwood Studios, Inc. was an American video game developer based in Las Vegas, Nevada. It was founded by Brett Sperry and Louis Castle in 1985 as Brelous Software, but got changed after 2 months into Westwood Associates and was renamed to Westw ...
' ''
Dune II ''Dune II: The Building of a Dynasty'' (titled ''Dune II: Battle for Arrakis'' in Europe and ''Dune: The Battle for Arrakis'' in North America for the Mega Drive/Genesis port, respectively) is a 1992 real-time strategy game developed by Westwoo ...
'' and the
high fantasy High fantasy, or epic fantasy, is a subgenre of fantasy defined by the epic nature of its setting or by the epic stature of its characters, themes, or plot. Brian Stableford, ''The A to Z of Fantasy Literature'', (p. 198), Scarecrow Pres ...
setting of ''
The Lord of the Rings ''The Lord of the Rings'' is an Epic (genre), epic high fantasy novel written by English author and scholar J. R. R. Tolkien. Set in Middle-earth, the story began as a sequel to Tolkien's 1937 children's book ''The Hobbit'' but eventually d ...
'', the company began work on what would become '' Warcraft: Orcs & Humans''. Adham saw this as a start of a series of interconnected titles, similar to the ''
Gold Box ''Gold Box'' is a series of role-playing video games produced by Strategic Simulations from 1988 to 1992. The company acquired a license to produce games based on the ''Advanced Dungeons & Dragons'' role-playing game from TSR, Inc. These games ...
'' series by ''
Strategic Simulations Strategic Simulations, Inc. (SSI) was a video game developer and publisher of over 100 games from its founding in 1979 to its dissolution in 1994 (though the brand was in use until around 2002). The company focused on computer wargames then lat ...
''. To support its development and keep the company afloat, the studio took several more conversion contracts, though the founders were going into debt to keep their twelve developers employed.
Davidson & Associates Davidson & Associates, Inc. was an American developer of educational software based in Torrance, California. The company was founded in 1984 by husband-and-wife Bob and Jan Davidson, the latter of whom led the company as president until January 1 ...
, a company that published educational software and which had previously employed Silicon & Synapse for conversion contracts, made an offer to buy the company for $4 million. Interplay was negotiating to be the publisher for ''Warcraft'', and Fargo cautioned Adham and Morhaime against selling the company. Adham and Morhiame rejected Davidson & Associates' initial offer, but the company came back with another offer of $6.75 million (equivalent to $ million in ), assuring to the founders that they would have creative control over the games they developed.Schreier, 2024, Chapter 2 Adham and Morhaime accepted the offer in early 1994. Shortly after the sale, they were contacted by a Florida company, Chaos Technologies, who claims their trademark rights on the name "Chaos" and wanted the company to pay () to keep the name. Not wanting to pay that sum, the executives decided to change the studio's name to "Ogre Studios" by April 1994. However, Davidson & Associates did not like this name, and forced the company to change it. According to Morhaime, Adham began running through a dictionary from the start, writing down any word that seemed interesting and passing it to the legal department to see if it had any complications. One of the first words they found to be interesting and cleared the legal check was "blizzard", leading them to change their name to "Blizzard Entertainment" by May 1994. ''Warcraft'' was released in November 1994, and within a year, helped to establish Blizzard among other development studios like Westwood.


Acquisition by Vivendi and ''World of Warcraft'' (1995–2007)

Blizzard Entertainment has changed hands several times since then. Davidson was acquired along with
Sierra On-Line Sierra Entertainment, Inc. (formerly On-Line Systems and Sierra On-Line, Inc.) was an American video game developer and publisher founded in 1979 by Ken and Roberta Williams. The company is known for pioneering the graphic adventure game ge ...
by a company called
CUC International CUC (Comp-U-Card) International Inc. was a membership-based consumer services conglomerate with travel, shopping, auto, dining, home improvement and financial services offered to more than 60 million customers worldwide based in Stamford, Connect ...
in 1996. CUC then merged with a hotel, real-estate, and car-rental franchiser called HFS Corporation to form
Cendant Cendant Corporation was an American provider of business and consumer services, primarily within the real estate and travel industries. In 2005 and 2006, it broke up and spun off or sold its constituent businesses. Although it was based in New Yo ...
in 1997. In 1998 it became apparent that CUC had engaged in accounting fraud for years before the merger. Cendant's stock lost 80% of its value over the next six months in the ensuing widely discussed accounting scandal. The company sold its consumer software operations, Sierra On-line (which included Blizzard) to French publisher
Havas Havas NV () is a French multinational corporation, multinational advertising agency, advertising and public relations company, with its registered office and head office in Puteaux, France. Havas operates in more than 100 countries. The group ...
in 1998, the same year Havas was purchased by
Vivendi Vivendi SE (stylized in all lowercase) is a French investment company headquartered in Paris. It currently wholly-owns Gameloft as well as a number of investments in several companies, primarily involved in content, entertainment, media, and t ...
. Blizzard, at this point numbering about 200 employees, became part of the
Vivendi Games Vivendi Games (formerly known as CUC Software, Cendant Software, Havas Interactive, Vivendi Universal Interactive Publishing and Vivendi Universal Games) was an American video game publisher and holding company based in Los Angeles. It was foun ...
group of Vivendi. In 1996, Blizzard Entertainment acquired Condor Games of
San Mateo, California San Mateo ( ) is the most populous city in San Mateo County, California, United States, on the San Francisco Peninsula. It is part of the San Francisco Bay Area metropolitan region, and is located about south of San Francisco. San Mateo border ...
, which had been working on the
action role-playing game An action role-playing game (often abbreviated action RPG or ARPG) is a video game genre that combines core elements from both the action game and Role-playing video game, role-playing game genres. Definition Action role-playing games empha ...
(ARPG) '' Diablo'' for Blizzard at the time, and was led by
David Brevik David Brevik (born February 14, 1968) is an American video game designer, producer, and programmer who served as the co-founder and president of Blizzard North. He is best known for the critically acclaimed ''Diablo'' series. Currently, he ser ...
and brothers Max and Erick Schaefer. Condor was renamed
Blizzard North Blizzard North (formerly known as Condor) was an American video game development studio based in San Mateo, California. The studio was the San Francisco Bay Area, Bay Area division of Blizzard Entertainment, and it was known for the Diablo (series ...
, with Blizzard's existing Irvine studios colloquially referred as Blizzard South. ''Diablo'' was released at the very start of 1997 alongside Battle.net, a matchmaking service for the game. Blizzard North developed the sequel ''
Diablo II ''Diablo II'' is a 2000 action role-playing game developed by Blizzard North and published by Blizzard Entertainment for Microsoft Windows, Classic Mac OS, and OS X. The game, with its dark fantasy and horror themes, was conceptualized and des ...
'' (2000), and its expansion pack '' Lord of Destruction'' (2001). Following the success of '' Warcraft II: Tides of Darkness'', Blizzard began development on a science fiction-themed RTS, ''
StarCraft ''StarCraft'' is a military science fiction media franchise created by Chris Metzen and James Phinney and owned by Blizzard Entertainment. The series, set in the beginning of the 26th century, centers on a galactic struggle for dominance amon ...
'', and released the title in March 1998. The title was the top-selling PC game for the year, and led to further growth of the Battle.net service and the use of the game for
esport Esports (), short for electronic sports, is a form of competition using video games. Esports often takes the form of organized, multiplayer video game competitions, particularly between professional players, played individually or as teams. ...
s. Around 2000, Blizzard engaged with
Nihilistic Software nStigate Games (formerly Nihilistic Software) was an American video game developer based in Novato, California. History Nihilistic was founded in March 1998 by Ray Gresko, Robert Huebner, and Steve Tietze. Gresko and Huebner had formerly worked ...
to work on a version of ''StarCraft'' for home consoles for Blizzard. Nihilisitic was co-founded by Robert Huebner, who had worked on ''StarCraft'' and other games while a Blizzard employee before leaving to found the studio. The game, '' StarCraft: Ghost'', was a stealth-oriented game compared to the RTS features of ''StarCraft'', and was a major feature of the 2002
Tokyo Game Show , commonly known as TGS, is a video game trade fair and convention held annually in September in the Makuhari Messe, in Chiba, Japan. It is presented by the Computer Entertainment Supplier's Association (CESA) and Nikkei Business Publication ...
. However, over the next few years, the game entered
development hell Development hell, also known as development purgatory or development limbo, is media and software industry jargon for a project, concept, or idea that remains in a stage of early development for a long time because of legal, technical, or artistic ...
with conflicts between Nihilisitic and Blizzard on its direction. Blizzard ordered Nihilistic to stop work on ''StarCraft: Ghost'' in July 2004, and instead brought on Swingin' Ape Studios, a third-party studio that had just successfully released '' Metal Arms: Glitch in the System'' in 2003, to reboot the development of ''Ghost''. Blizzard fully acquired Swingin' Ape Studios in May 2005 to continue on ''Ghost''. However, while the game was scheduled to be released in 2005, it was targeted at the consoles of the sixth generation, such as the
PlayStation 2 The PlayStation 2 (PS2) is a home video game console developed and marketed by Sony Interactive Entertainment, Sony Computer Entertainment. It was first released in Japan on 4 March 2000, in North America on 26 October, in Europe on 24 Novembe ...
and original
Xbox Xbox is a video gaming brand that consists of four main home video game console lines, as well as application software, applications (games), the streaming media, streaming service Xbox Cloud Gaming, and online services such as the Xbox networ ...
, while the industry was transitioning to the seventh generation. Blizzard decided to cancel ''Ghost'' rather than extend its development period to work on the newer consoles. Blizzard started to work on a sequel to the ''Warcraft II'' in early 1998, which was announced as a "role-playing strategy" game. '' Warcraft III: Reign of Chaos'', the third title set in the ''Warcraft'' fictional universe, was released in July 2002. ''Warcraft III'' has inspired many future games, having the influence on
real-time strategy Real-time strategy (RTS) is a Video game genre, subgenre of strategy video games that does not progress incrementally in turn-based game, turns, but allow all players to play simultaneously, in "real time." By contrast, in Turn-based strategy, tur ...
and
multiplayer online battle arena Multiplayer online battle arena (MOBA) is a Video game genre, subgenre of strategy video games in which two teams of Gamer, players compete on a structured battlefield, each controlling a single Player character, character with distinctive abilit ...
genre. Many of the characters, locations and concepts introduced in ''Warcraft III'' and its expansion went on to play major roles in numerous future Blizzard's titles. In 2002, Blizzard was able to reacquire rights for three of its earlier Silicon & Synapse titles, ''
The Lost Vikings ''The Lost Vikings'' is a 1993 puzzle-platform game developed by Silicon & Synapse (now Blizzard Entertainment) and published by Interplay. It was initially released for the Super NES, then subsequently released for the Amiga, Amiga CD32, MS-DO ...
'', '' Rock n' Roll Racing'' and ''
Blackthorne ''Blackthorne'' (released as ''Blackhawk'' in some European countries) is a cinematic platform game developed by Blizzard Entertainment. It was released for the Super NES and MS-DOS in 1994. The cover art for the SNES version was drawn by Jim Le ...
'', from
Interplay Entertainment Interplay Entertainment Corp. is an American video game developer and publisher based in Los Angeles. The company was founded in 1983 as Interplay Productions by developers Brian Fargo, Jay Patel, Troy Worrell, and Rebecca Heineman, as well a ...
and re-release them for the
Game Boy Advance The (GBA) is a 32-bit handheld game console, manufactured by Nintendo, which was released in Japan on March 21, 2001, and to international markets that June. It was later released in mainland China in 2004, under the name iQue Game Boy Advanc ...
handheld console. Around 2003, Blizzard North was working on ''
Diablo III ''Diablo III'' is a 2012 online-only action role-playing dungeon crawling game developed and published by Blizzard Entertainment as the third installment in the ''Diablo'' franchise. It was released for Microsoft Windows and OS X in May 2012, ...
'' as well as planned science-fiction-based version dubbed ''Starblo''. Amid rumors that Vivendi was looking to sell its gaming division around 2003, Blizzard North's leadership, consisting of Brevik, the Schaefers, and Bill Roper, asked Blizzard to provide their studio protections from the potential sale, or else they would resign. After several rounds of tense communications, the four gave their resignations to Blizzard's management on June 30, 2003. As part of this, a significant portion of Blizzard North's staff were laid off, additional work on ''Starblo'' was terminated and the remaining team focused ''Diablo III''.Schreier, 2024, Chapter 6: Resignations Accepted Blizzard's management made the decision August 2005 to consolidate Blizzard North into Blizzard Entertainment, relocating staff to the main Blizzard offices in Irvine. In 2004, Blizzard opened European offices in the Paris suburb of Vélizy, Yvelines, France. Blizzard began work on ''
World of Warcraft ''World of Warcraft'' (''WoW'') is a 2004 massively multiplayer online role-playing (MMORPG) video game developed and published by Blizzard Entertainment for Windows and Mac OS X. Set in the '' Warcraft'' fantasy universe, ''World of War ...
'' near the end of 1999, a
massively multiplayer online role-playing game A massively multiplayer online role-playing game (MMORPG) is a video game that combines aspects of a role-playing video game and a massively multiplayer online game. As in role-playing games (RPGs), the player assumes the role of a Player charac ...
(MMORPG) based on the ''Warcraft'' franchise, with gameplay inspired by ''
EverQuest ''EverQuest'' is a 3D fantasy-themed massively multiplayer online role-playing game (MMORPG) originally developed by Verant Interactive and 989 Studios for Windows. It was released by Sony Online Entertainment in March 1999 in North America, ...
''. The game was publicly announced in September 2001. The excitement by the media for ''World of Warcraft'' led to significant growth with Team 2 from forty to the hundreds, as well as a large amount of crunch development to complete the game. In January 2004, Adham announced he was leaving the company from being burnt out over his work on ''World of Warcraft'', transferring management to Morhaime. ''World of Warcraft'' was released on November 23, 2004, in North America, and on February 11, 2005, in Europe. By December 2004, the game was the fastest-selling PC game in the United States, and by March 2005, had reached 1.5 million subscribers worldwide. Blizzard partnered with Chinese publisher
The9 The9 (stylized as THE9 or THE NINE) was a Chinese girl group formed through the IQIYI survival show Youth With You (season 2), ''Youth With You 2''. The group consisted of Liu Yuxin (singer), Liu Yuxin, Yu Shuxin, Xu Jiaqi, Yu Yan (singer), Yu ...
to publish and distribute ''World of Warcraft'' in China, as foreign companies could not directly publish into the country themselves. ''World of Warcraft'' launched in China in June 2005. By the end of 2007, ''World of Warcraft'' was considered a global phenomenon, having reached over 9 million subscribers and exceeded in revenue since its release. In April 2008, ''World of Warcraft'' was estimated to hold 62 percent of the MMORPG subscription market. With the success of ''World of Warcraft'', Blizzard Entertainment organized the first
BlizzCon BlizzCon is an annual gaming convention held by Blizzard Entertainment to promote its major franchises including '' Warcraft'', '' StarCraft'', '' Diablo'', ''Hearthstone'', ''Heroes of the Storm,'' and '' Overwatch''. The first BlizzCon was h ...
fan convention in October 2005 held at the
Anaheim Convention Center The Anaheim Convention Center is a major convention center in Anaheim, California, and is the largest exhibition facility on the West Coast of the United States. It is located across from the Disneyland Resort on Katella Avenue. The original co ...
. The inaugural event drew about 6,000 people and became an annual event which Blizzard uses to announce new games, expansions, and content for its properties. Blizzard's staff quadrupled from around 400 employees in 2004 to 1600 by 2006 to provide more resources to ''World of Warcraft'' and its various expansions. To deal with its growing staff, Blizzard moved their headquarters from the
UCI UCI most commonly refers to: * University of California, Irvine, a public university in Irvine, California, United States * Union Cycliste Internationale, the world governing body for the sport of cycling UCI may also refer to: * Uganda Cancer In ...
Research Park campus to a newly constructed 240,000-square foot campus in Irvine that was formerly occupied by
Broadcom Broadcom Inc. is an American multinational corporation, multinational designer, developer, manufacturer, and global supplier of a wide range of semiconductor and infrastructure software products. Broadcom's product offerings serve the data cen ...
and before that by
AST Research AST Research, Inc., later doing business as AST Computer, was an American personal computer manufacturer. It was founded in 1980 in Irvine, California, by Albert Wong, Safi Qureshey, and Thomas Yuen, as an initialism of their first names. Wong ...
; the former Research Park site was taken over by
Linksys Linksys Holdings, Inc., is an American brand of data networking hardware products mainly sold to home users and small businesses. It was founded in 1988 by the couple Victor Tsao, Victor and Janie Tsao, both Taiwanese immigrants to the United St ...
. Blizzard's new base was completed by March 2008; the city named the primary street on this campus as 1 Blizzard Way to honor the company.Schreier, 2024, Chapter 13: Growing Pains The campus includes a twelve-foot tall bronze statue of a ''Warcraft'' orc riding a wolf, with plaques surrounding it representing the eight company values by that point, "Gameplay First", "Commit to Quality", "Play Nice; Play Fair", "Embrace Your Inner Geek", "Learn & Grow", "Every Voice Matters", "Think Globally", and "Lead Responsibly".


Vivendi merger with Activision and continued growth (2008–2017)

Up through 2006,
Bobby Kotick Robert A. Kotick (born 1963) is an American businessman who served as the chief executive officer (CEO) of Activision Blizzard and its predecessor, Activision, from 1991 to 2023. He became the CEO of Activision through a hostile takeover during ...
, the CEO of
Activision Activision Publishing, Inc. is an American video game publisher based in Santa Monica, California. It serves as the publishing business for its parent company, Activision Blizzard, and consists of several subsidiary studios. Activision is one o ...
, had been working to rebound the company from near-bankruptcy, and had established a number of new studios. However, Activision lacked anything in the MMO market. Kotick saw that ''World of Warcraft'' was bringing in over a year in subscription fees, and began approaching Vivendi's CEO
Jean-Bernard Lévy Jean-Bernard Lévy (born 18 March 1955) is a French businessman, and was the CEO and chairman of EDF. Early life Born on 18 March 1955, the son of a doctor, Lévy attended the Lycée Pasteur in Neuilly-sur-Seine. His parents sent him to England ...
about potential acquisition of their struggling Vivendi Games division, which included Blizzard Entertainment. Lévy was open to a merger, but would only allow it if he controlled the majority of the combined company, knowing the value of ''World of Warcraft'' to Kotick. Among those Kotick spoke to for advice included Blizzard's Morhaime, who told Kotick that they had begun establishing lucrative in-roads into the
Chinese market The People's Republic of China is a developing mixed socialist market economy, incorporating industrial policies and strategic five-year plans. —Xu, Chenggang. "The Fundamental Institutions of China's Reforms and Development." Journal of E ...
. Kotick accepted Lévy's deal, with the deal approved by shareholders in December 2007. By July 2008, the merger was complete, with Vivendi Games effectively dissolved except for Blizzard Entertainment, and the new company was named
Activision Blizzard Activision Blizzard, Inc. is an American video game holding company based in Santa Monica, California. Activision Blizzard currently includes three operating units: Activision, Blizzard Entertainment and King (company), King. Founded in July 2 ...
. Blizzard established a distribution agreement with the Chinese company
NetEase NetEase, Inc. () is a Chinese Internet technology company founded by Ding Lei in June 1997. It provides online services with content, community, communications, and commerce. The company develops and operates online PC and mobile games, adverti ...
in August 2008 to publish Blizzard's games in China. The deal focused on ''
StarCraft II ''StarCraft II'' is a real-time strategy video game created by Blizzard Entertainment, first released in 2010. A sequel to the successful '' StarCraft'', released in 1998, it is set in a militaristic far future. The narrative centers on a galacti ...
'' which was gaining popularity as an
esport Esports (), short for electronic sports, is a form of competition using video games. Esports often takes the form of organized, multiplayer video game competitions, particularly between professional players, played individually or as teams. ...
within southeast Asia, as well as for other Blizzard games with the exception of ''World of Warcraft'', still being handled by The9. The two companies established the Shanghai EaseNet Network Technology for managing the games within China. Blizzard and The9 prepared to launch the ''World of Warcraft'' expansion '' Wrath of the Lich King'', but the expansion came under scrutiny by China's content regulation board, the
General Administration of Press and Publication A general officer is an officer of high rank in the armies, and in some nations' air and space forces, marines or naval infantry. In some usages, the term "general officer" refers to a rank above colonel."general, adj. and n.". OED Online ...
, which rejected publication of it within China in March 2009, even with preliminary modifications made by The9 to clear it. Rumors of Blizzard's dissatisfaction with The9 from this and other previous complications with ''World of Warcraft'' came to a head when, in April 2009, Blizzard announced it was terminating its contract with The9, and transferred operation of ''World of Warcraft'' in China to NetEase. They released an improved version of Battle.net (Battle.net 2.0) in March 2009 which included improved matchmaking, storefront features, and better support for all of Blizzard's existing titles particularly ''World of Warcraft''. Having peaked at 12 million monthly subscriptions in 2010, ''World of Warcraft'' subscriptions sunk to 6.8 million in 2014, the lowest number since the end of 2006, prior to '' The Burning Crusade'' expansion. However, ''World of Warcraft'' is still the world's most-subscribed MMORPG,MMOG Active Subscriptions 21.0
", MMOGCHART.COM, June 29, 2006.
and holds the
Guinness World Record ''Guinness World Records'', known from its inception in 1955 until 1999 as ''The Guinness Book of Records'' and in previous United States editions as ''The Guinness Book of World Records'', is a British reference book published annually, listi ...
for the most popular MMORPG by subscribers. In 2008, Blizzard was honored at the 59th Annual
Technology & Engineering Emmy Award The Technology and Engineering Emmy Awards, or Technology and Engineering Emmys, are one of two sets of Emmy Awards that are presented for outstanding achievement in engineering development in the television industry. The Technology and Engineer ...
s for the creation of ''World of Warcraft''.
Mike Morhaime Michael Morhaime (born November 3, 1967) is an American video game developer and entrepreneur. He is the chief executive officer (CEO) and founder of Dreamhaven, located in Irvine, California. Morhaime is best known as the co-founder and the fo ...
accepted the award. Following the merger, Blizzard found it was relying on its well-established properties, but at the same time, the industry was experiencing a shift towards
indie game An indie video game or indie game (short for independent video game) is a video game created by individuals or smaller development teams without the financial and technical support of a large game publisher, in contrast to most "AAA" (triple-A ...
s. Blizzard established a few small teams within the company to work on developing new concepts based on the indie development approach that it could potentially use. One of these teams quickly came onto the idea of a
collectible card game A collectible card game (CCG), also called a trading card game (TCG) among other names, is a type of card game that mixes strategy game, strategic deck building elements with features of trading cards. The genre was introduced with ''Magic: The G ...
based on the ''Warcraft'' narrative universe, which ultimately became ''
Hearthstone ''Hearthstone'' is a 2014 Online game, online digital collectible card game, digital collectible card video game produced by Blizzard Entertainment, released under the free-to-play model. Originally subtitled ''Heroes of Warcraft'', ''Hearthsto ...
'', released as a free-to-play title in March 2014. ''Hearthstone'' reached over 25 million players by the end of 2014, and exceeded 100 million players by 2018. Another small internal team began work around 2008 on a new intellectual property known as ''
Titan Titan most often refers to: * Titan (moon), the largest moon of Saturn * Titans, a race of deities in Greek mythology Titan or Titans may also refer to: Arts and entertainment Fictional entities Fictional locations * Titan in fiction, fictiona ...
'', a more contemporary or near-future MMORPG that would have co-existed alongside ''World of Warcraft''. The project gained more visibility in 2010 as a result of some information leaks. Blizzard continued to speak on ''Titan''s development over the next few years, with over 100 people within Blizzard working on the project. However, ''Titan''s development was troubled, and, internally, in May 2013, Blizzard cancelled the project (publicly reporting this in 2014), and reassigned most of the staff but left about 40 people, led by
Jeff Kaplan Jeffrey Kaplan is an American video game designer and former vice president of Blizzard Entertainment, a position he held until he left the company in 2021. He designed elements of ''World of Warcraft'' and is the former lead director of ''Overwa ...
, to either come up with a fresh idea within a few weeks or have their team reassigned to Blizzard's other departments. The small team came upon the idea of a team-based multiplayer shooter game, reusing many of the assets from ''Titan'' but set in a new near-future narrative. The new project was greenlit by Blizzard and became known as ''
Overwatch ''Overwatch'' (abbreviated as OW) is a multimedia franchise centered on a series of multiplayer first-person shooter (FPS) video games developed by Blizzard Entertainment. ''Overwatch (video game), Overwatch'' was released in 2016 with a success ...
'', which was released in May 2016. ''Overwatch'' became the fourth main intellectual property of Blizzard, following ''Warcraft'', ''StarCraft'', and ''Diablo''. In addition to ''Hearthstone'' and ''Overwatch'', Blizzard Entertainment continued to produce sequels and expansions to its established properties during this period, including '' StarCraft II: Wings of Liberty'' (2010) and ''
Diablo III ''Diablo III'' is a 2012 online-only action role-playing dungeon crawling game developed and published by Blizzard Entertainment as the third installment in the ''Diablo'' franchise. It was released for Microsoft Windows and OS X in May 2012, ...
'' (2012). Their major crossover title, ''
Heroes of the Storm ''Heroes of the Storm'' is a multiplayer online battle arena video game developed and published by Blizzard Entertainment. Announced at BlizzCon 2010, it was released on June 2, 2015 for macOS and Windows. The game features various crossover ...
'', was released as a
MOBA Multiplayer online battle arena (MOBA) is a subgenre of strategy video games in which two teams of players compete on a structured battlefield, each controlling a single character with distinctive abilities that grow stronger as the match progr ...
game in 2015. The game featured various characters from Blizzard's franchises as playable heroes, as well as different battlegrounds based on ''Warcraft'', ''Diablo'', ''StarCraft'', and ''Overwatch'' universes. In the late 2010s, Blizzard released '' StarCraft: Remastered'' (2017) and '' Warcraft III: Reforged'' (2020)'',''
remaster A remaster is a change in the sound or image quality of previously created forms of media, whether Mastering (audio), audiophonic, Cinematography, cinematic, or Videography, videographic. The resulting product is said to be remastered. The term ...
ed versions of the original ''StarCraft'' and ''Warcraft III,'' respectively''.'' The May 2016 release of ''Overwatch'' was highly successful, and was the highest-selling game on PC for 2016. Several traditional
esport Esports (), short for electronic sports, is a form of competition using video games. Esports often takes the form of organized, multiplayer video game competitions, particularly between professional players, played individually or as teams. ...
events had been established within the year of ''Overwatch'' release, such as the
Overwatch World Cup The Overwatch World Cup (OWWC) is an annual international '' Overwatch'' esports tournament organized by Blizzard Entertainment, the game's developer, with the first edition taking place in 2016. The tournament ran every year until 2019; after a ...
, but Blizzard continued to expand this and announced the first esports professional league, the
Overwatch League The Overwatch League (OWL) was a professional esports league for the video game ''Overwatch'', produced by its developer, Blizzard Entertainment. From 2018 to 2023, the Overwatch League followed the model of other traditional North American prof ...
at the 2016 BlizzCon event. The company purchased a studio at
The Burbank Studios The Burbank Studios (formerly known as NBC Studios) is a television production facility located in Burbank, California, United States. The studio is home to ''Days of Our Lives'', ''Extra (American TV program), Extra'', the ''IHeartRadio Thea ...
in
Burbank, California Burbank is a city in the southeastern end of the San Fernando Valley in Los Angeles County, California, United States. Located northwest of downtown Los Angeles, Burbank had a Census-estimated population of 102,755 as of 2023. The city was ...
, that it converted into a dedicated esports venue, Blizzard Arena, to be used for the Overwatch League and other events. The inaugural season of the Overwatch League launched on January 10, 2018, with 12 global teams playing. By the second season in 2019 it had expanded the League to 20 teams, and with its third season in 2020, it will have these teams traveling across the globe in a transitional home/away-style format. In 2012, Blizzard Entertainment had 4,700 employees, with offices across 11 cities including
Austin, Texas Austin ( ) is the List of capitals in the United States, capital city of the U.S. state of Texas. It is the county seat and most populous city of Travis County, Texas, Travis County, with portions extending into Hays County, Texas, Hays and W ...
, and countries around the globe. , the company's headquarters in Irvine, California had 2,622 employees.


Change of leadership (2018–2022)

By 2018, a rift had developed between Kotick and Morhaime on how Blizzard should continue developing its games, with Morhaime wanting to allow the developers the freedom to experiment while Kotick was focused on generating profit. Morhaime had considered resigning in 2017 but Kotick convinced him to stay on. Morhaime announced his plans to step down as the company president and CEO On October 3, 2018, while remaining an advisor to the company. Morhaime stated publicly that he felt it was time for someone else to lead Blizzard, but those close to him said he had become tired of the conflicts with Kotick.Schreier, 2024, Chapter 24: Changing of the Guard Morhaime formally left on April 7, 2019, and was replaced by J. Allen Brack, the executive producer on ''World of Warcraft''. In February 2019, Kotick announced a company-wide layoff of 8% of Activision Blizzard staff, around 800 total positions, due to lower revenues in 2018; this included a significant portion of Blizzard Entertainment, which had been since as having bloated head count over the years.Schreier, 2024, Chapter 25: Cost Reduction Blizzard was planning for the announcement of ''Diablo IV'' and ''Overwatch 2'' at the 2019 Blizzcon, and to keep the company focused, two other projects, codenamed ''Ares'' and ''Orion'', were cancelled. Frank Pearce announced he would be stepping down as Blizzard's Chief Development Officer on July 19, 2019, though will remain in an advisory role similar to Morhaime. Michael Chu, lead writer on many of Blizzard's franchises including ''Diablo'', ''Warcraft'', and ''Overwatch'', announced he was leaving the company after 20 years in March 2020. On January 22, 2021, Activision transferred
Vicarious Visions Blizzard Albany (formerly Vicarious Visions, Inc.) is an American video game development division of Blizzard Entertainment based in Albany, New York. Founded in 1991, the company was acquired by Activision in January 2005. In January 2021, Vica ...
over to Blizzard Entertainment, stating that the Vicarious Visions team had better opportunity for long-term support for Blizzard. Vicarious had been working with Blizzard for about two years prior to this announcement on the planned
remaster A remaster is a change in the sound or image quality of previously created forms of media, whether Mastering (audio), audiophonic, Cinematography, cinematic, or Videography, videographic. The resulting product is said to be remastered. The term ...
of ''
Diablo II ''Diablo II'' is a 2000 action role-playing game developed by Blizzard North and published by Blizzard Entertainment for Microsoft Windows, Classic Mac OS, and OS X. The game, with its dark fantasy and horror themes, was conceptualized and des ...
'', '' Diablo II: Resurrected'', and according to Brack, it made sense to incorporate Vicarious into Blizzard for ongoing support of the game and for other ''Diablo'' games including ''
Diablo IV ''Diablo IV'' is a 2023 Online game, online-only Action role-playing game, action role-playing dungeon crawling game developed and published by Blizzard Entertainment. It is the fourth main installment in the ''Diablo (series), Diablo'' series. ...
''. Vicarious was completely merged into Blizzard by April 12, 2022, thereby being renamed Blizzard Albany. In celebration of the company's 30th anniversary, Blizzard Entertainment released a compilation called ''Blizzard Arcade Collection'' in February 2021, for various video game platforms. The collection includes their three classic video games: ''
The Lost Vikings ''The Lost Vikings'' is a 1993 puzzle-platform game developed by Silicon & Synapse (now Blizzard Entertainment) and published by Interplay. It was initially released for the Super NES, then subsequently released for the Amiga, Amiga CD32, MS-DO ...
'', '' Rock n' Roll Racing,'' and ''
Blackthorne ''Blackthorne'' (released as ''Blackhawk'' in some European countries) is a cinematic platform game developed by Blizzard Entertainment. It was released for the Super NES and MS-DOS in 1994. The cover art for the SNES version was drawn by Jim Le ...
,'' each of which containing additional upgrades and numerous modern features. Activision Blizzard was the subject of a lawsuit from the
California Department of Fair Employment and Housing The California Civil Rights Department (CRD), formerly known as the Department of Fair Employment and Housing (DFEH), is an agency of California state government charged with the protection of residents from employment, housing and public accom ...
in July 2021, asserting that for several years the management within Blizzard as well as Activision promoted a "frat boy" atmosphere that allowed and encouraged sexual misconduct towards female employees and discrimination in hiring practices. The lawsuit drew a large response from employees and groups outside of Activision Blizzard. In the wake of these events, Brack, one of the few individuals directly named in the suit, announced he was leaving Blizzard to "pursue new opportunities", and will be replaced by co-leads Jen Oneal, the lead of Vicarious Visions and the first woman in a leadership role for the company, and Mike Ybarra, a Blizzard executive vice president. Oneal announced in November 2021 that she would be leaving the company by the end of 2021, leaving Ybarra as the sole leader of Blizzard. As a result of the California lawsuit and of delays and release issues with their more recent games, Activision Blizzard's stock faced severe pressure. Subsequently,
Microsoft Microsoft Corporation is an American multinational corporation and technology company, technology conglomerate headquartered in Redmond, Washington. Founded in 1975, the company became influential in the History of personal computers#The ear ...
seized the opportunity to become one of the largest video game companies in the world and announced its intent to acquire Activision Blizzard and its subsidiaries, including Blizzard, for in January 2022. This exchange marks the largest acquisition in tech history, surpassing the $67 billion Dell-EMC merger from 2016. The deal closed on October 13, 2023, and Activision Blizzard moved into the
Microsoft Gaming Microsoft Gaming is an American multinational video game and digital entertainment division of Microsoft based in Redmond, Washington, established in 2022. Its five development and publishing labels consist of: Xbox Game Studios, Bethesda Soft ...
division. Blizzard acquired
Proletariat The proletariat (; ) is the social class of wage-earners, those members of a society whose possession of significant economic value is their labour power (their capacity to work). A member of such a class is a proletarian or a . Marxist ph ...
, the developers of ''
Spellbreak ''Spellbreak'' was a free-to-play, class-based third-person shooter video game developed by Proletariat for Microsoft Windows, PlayStation 4, Xbox One and Nintendo Switch, released on September 3, 2020. On June 28, 2022, it was announced that '' ...
'', in June 2022 as to help support ''World of Warcraft''. The 100-employee studio remained in Boston but will shutter ''Spellbreak'' as they move onto ''Warcraft''.


Challenges with NetEase and Microsoft acquisition (2022–present)

Ahead of their license renewal in January 2023, Blizzard (via Activision Blizzard) and NetEase stated in November 2022 that they had been unable to come to an agreement on the renewal terms for their license, and thus most Blizzard games will cease operations in China in January 2023 until the situation can be resolved. According to a report by ''
The New York Times ''The New York Times'' (''NYT'') is an American daily newspaper based in New York City. ''The New York Times'' covers domestic, national, and international news, and publishes opinion pieces, investigative reports, and reviews. As one of ...
'', several factors influenced Activision Blizzard's decision to terminate the agreement, which included stronger demands made by the Chinese government to know of Activision Blizzard's internal business matters, NetEase's desire to license the games directly rather than run the license through a joint venture, and Activision Blizzard's concerns that NetEase was trying to start their own ventures, including the payment towards Bungie in 2018. NetEase was further concerned about the impact of the pending acquisition of Activision Blizzard by
Microsoft Microsoft Corporation is an American multinational corporation and technology company, technology conglomerate headquartered in Redmond, Washington. Founded in 1975, the company became influential in the History of personal computers#The ear ...
. Activision Blizzard stated they were looking to other Chinese firms as replacements for NetEase as to restore their games in China. By April 2024, Blizzard, with Microsoft's help, and NetEase had agreed to new publishing terms, with plans to bring back Blizzard's games to China by mid-2024, maintaining all prior game ownership from the original publishing deal. Under this new deal, NetEase also will be able to bring games to the Xbox platform. Following completion of the acquisition, Microsoft announced it was laying off 1,900 staff from
Microsoft Gaming Microsoft Gaming is an American multinational video game and digital entertainment division of Microsoft based in Redmond, Washington, established in 2022. Its five development and publishing labels consist of: Xbox Game Studios, Bethesda Soft ...
on January 25, 2024. Alongside this, Blizzard President Mike Ybarra and Chief Design Officer Allen Adham announced they would be leaving the company. Further, the planned survival game from Blizzard was canceled. On January 29, 2024, Johanna Faries, the former general manager of the ''
Call of Duty ''Call of Duty'' is a first-person shooter military video game series and media franchise published by Activision, starting in 2003. The games were first developed by Infinity Ward, then by Treyarch and Sledgehammer Games. Several spin-of ...
'' series, was named Blizzard Entertainment's new president, taking office on February 5. Following the
unionization Unionization is the creation and growth of modern trade unions. Trade unions were often seen as a Left-wing politics, left-wing, Socialism, socialist concept, whose popularity has increased during the 19th century when a rise in industrial capit ...
success of
Raven Software Raven Software Corporation (trade name: Raven; formerly Raven Software, Inc.) is an American video game developer based in Middleton, Wisconsin, and part of Activision. Founded in May 1990 by brothers Brian and Steve Raffel, the company is most ...
's Game Workers Alliance (GWA) union for quality assurance (QA) testers, the 20-member QA team of Blizzard Albany announced a unionization drive in July 2022 as GWA Albany. The vote passed (14–0). On July 24, 2024, 500 artists, designers, engineers, producers, and quality assurance testers who work on ''World of Warcraft'' voted to unionize under the
Communications Workers of America The Communications Workers of America (CWA) is the largest communications and media labor union in the United States, representing about 700,000 members in both the private and public sectors (also in Canada and Puerto Rico). The union has 27 loc ...
. The same day, 60 QA testers at Blizzard's Austin office, who work on various games including ''
Diablo IV ''Diablo IV'' is a 2023 Online game, online-only Action role-playing game, action role-playing dungeon crawling game developed and published by Blizzard Entertainment. It is the fourth main installment in the ''Diablo (series), Diablo'' series. ...
'' and ''
Hearthstone ''Hearthstone'' is a 2014 Online game, online digital collectible card game, digital collectible card video game produced by Blizzard Entertainment, released under the free-to-play model. Originally subtitled ''Heroes of Warcraft'', ''Hearthsto ...
'', also voted to unionize and formed the union "Texas Blizzard QA United-CWA." The following year, in May 2025, the members of Blizzard Team 4, who work on the game ''Overwatch 2'', also unionized with the Communications Workers of America, with nearly 200 game developers forming the wall-to-wall union "Overwatch Gamemakers Guild-CWA."


Games

Blizzard Entertainment has developed 19 games since the inception of the company in 1991.


Main franchises

The majority of the games Blizzard published are in the ''
Warcraft ''Warcraft'' is a franchise of video games, novels, and other media created by Blizzard Entertainment. The series is made up of six core games: '' Warcraft: Orcs & Humans'', '' Warcraft II: Tides of Darkness'', '' Warcraft III: Reign of Chaos ...
'', '' Diablo'', and ''
StarCraft ''StarCraft'' is a military science fiction media franchise created by Chris Metzen and James Phinney and owned by Blizzard Entertainment. The series, set in the beginning of the 26th century, centers on a galactic struggle for dominance amon ...
'' series. Since the release of '' Warcraft: Orcs & Humans'' (1994), '' Diablo'' (1997), and ''
StarCraft ''StarCraft'' is a military science fiction media franchise created by Chris Metzen and James Phinney and owned by Blizzard Entertainment. The series, set in the beginning of the 26th century, centers on a galactic struggle for dominance amon ...
'' (1998), the focus has been almost exclusively on those three franchises. ''
Overwatch ''Overwatch'' (abbreviated as OW) is a multimedia franchise centered on a series of multiplayer first-person shooter (FPS) video games developed by Blizzard Entertainment. ''Overwatch (video game), Overwatch'' was released in 2016 with a success ...
'' (2016) became an exception years later, bringing the number of main franchises to four. Each franchise is supported by other media based around its intellectual property such as novels, collectible card games, comics and video shorts. Blizzard announced in 2006 that they would be producing a ''Warcraft'' live-action film. The movie was directed by
Duncan Jones Duncan Zowie Haywood Jones (born 30 May 1971) is a British film director, film producer and screenwriter. He directed the films ''Moon'' (2009), ''Source Code'' (2011), '' Warcraft'' (2016), and '' Mute'' (2018). For ''Moon'', he won the BAFT ...
, financed and produced by
Legendary Pictures Legendary Entertainment, LLC (also known as Legendary Pictures or simply Legendary) is an American mass media and film production company based in Burbank, California, founded by Thomas Tull. The company has often collaborated with the major stu ...
,
Atlas Entertainment Atlas Entertainment, LLC is an American film financing and production company, started by Charles Roven, Bob Cavallo and Dawn Steel in 1994. Its logo features the Greek Titan Atlas, which was the basis for the company's name. History In 1990 ...
, and others, and distributed by
Universal Pictures Universal City Studios LLC, doing business as Universal Pictures (also known as Universal Studios or simply Universal), is an American filmmaking, film production and film distribution, distribution company headquartered at the 10 Universal Ci ...
. It was released in June 2016. On October 4, 2022, ''Overwatch'' servers were officially shut off at the same time ''
Overwatch 2 ''Overwatch 2'' is a 2023 first-person shooter video game by Blizzard Entertainment. As a sequel and replacement to the 2016 hero shooter ''Overwatch'', the game included new gamemodes and a reduction in team size from six to five. The game is ...
s went up.


Spin-offs

Blizzard has released two
spin-offs Spin-off, Spin Off, Spin-Off, or Spinoff may refer to: Entertainment and media *Spinoff (media), a media work derived from an existing work *''The Spinoff'', a New Zealand current affairs magazine * ''Spin Off'' (Canadian game show), a 2013 Canad ...
to the main franchises: ''
Hearthstone ''Hearthstone'' is a 2014 Online game, online digital collectible card game, digital collectible card video game produced by Blizzard Entertainment, released under the free-to-play model. Originally subtitled ''Heroes of Warcraft'', ''Hearthsto ...
'' (2014), which is set in the existing ''Warcraft'' lore, and ''
Heroes of the Storm ''Heroes of the Storm'' is a multiplayer online battle arena video game developed and published by Blizzard Entertainment. Announced at BlizzCon 2010, it was released on June 2, 2015 for macOS and Windows. The game features various crossover ...
'' (2015), which features playable characters from all four of Blizzard's franchises.


Remasters

In 2015, Blizzard Entertainment formed "Classic Games division", a team focused on updating and
remaster A remaster is a change in the sound or image quality of previously created forms of media, whether Mastering (audio), audiophonic, Cinematography, cinematic, or Videography, videographic. The resulting product is said to be remastered. The term ...
ing some of their older titles, with an initially announced focus on '' StarCraft: Remastered'' (2017), '' Warcraft III: Reforged'' (2020)'','' and '' Diablo II: Resurrected'' (2021)''.''


Re-released games

In February 2021, Blizzard Entertainment released a compilation called ''Blizzard Arcade Collection'' for
Microsoft Windows Windows is a Product lining, product line of Proprietary software, proprietary graphical user interface, graphical operating systems developed and marketed by Microsoft. It is grouped into families and subfamilies that cater to particular sec ...
,
Xbox One The Xbox One is a home video game console developed by Microsoft. Announced in May 2013, it is the successor to Xbox 360 and the third console in the Xbox#Consoles, Xbox series. It was first released in North America, parts of Europe, Austra ...
,
PlayStation 4 The PlayStation 4 (PS4) is a home video game console developed by Sony Interactive Entertainment. Announced as the successor to the PlayStation 3 in February 2013, it was launched on November 15, 2013, in North America, November 29, 2013, in ...
, and
Nintendo Switch The is a video game console developed by Nintendo and released worldwide in most regions on March 3, 2017. Released in the middle of the Eighth generation of video game consoles, eighth generation of home consoles, the Switch succeeded the ...
. The collection includes five Blizzard's classic video games: ''
The Lost Vikings ''The Lost Vikings'' is a 1993 puzzle-platform game developed by Silicon & Synapse (now Blizzard Entertainment) and published by Interplay. It was initially released for the Super NES, then subsequently released for the Amiga, Amiga CD32, MS-DO ...
'', '' Rock n' Roll Racing'', ''
Blackthorne ''Blackthorne'' (released as ''Blackhawk'' in some European countries) is a cinematic platform game developed by Blizzard Entertainment. It was released for the Super NES and MS-DOS in 1994. The cover art for the SNES version was drawn by Jim Le ...
'', '' The Lost Vikings 2'' and ''
RPM Racing ''RPM Racing'' (short for ''Radical Psycho Machine Racing'') is a Super Nintendo Entertainment System racing game developed by Silicon & Synapse (now known as Blizzard Entertainment) and published by Interplay Productions. It is a successful r ...
'', with the last two games added in April 2021. Some of the modern features include 16:9 resolution, 4-player split-screen, rewinding and saving of game progress, watching replays, and adding graphic filters to change the look of player's game. Additionally, it contains upgrades for each game such as enhanced local multiplayer for ''The Lost Vikings'', new songs and artist performances for ''Rock n' Roll Racing'', as well as a new level map for ''Blackthorne.'' A digital museum, which is included in the collection, features game art, unused content, and interviews.


Unreleased and future games

Notable unreleased titles include '' Warcraft Adventures: Lord of the Clans'', an
adventure game An adventure game is a video game genre in which the player assumes the role of a protagonist in an interactive story, driven by exploration and/or puzzle-solving. The genre's focus on story allows it to draw heavily from other narrative-based m ...
which was canceled on May 22, 1998;Schreier, 2024, Chapter 5: Fugitives ''Shattered Nations'', a turn-based strategy game cancelled around 1996;Schreier, 2024, Chapter 4: Warcraft Goes Purple and '' StarCraft: Ghost'', an action game aimed for release on consoles, co-developed with
Nihilistic Software nStigate Games (formerly Nihilistic Software) was an American video game developer based in Novato, California. History Nihilistic was founded in March 1998 by Ray Gresko, Robert Huebner, and Steve Tietze. Gresko and Huebner had formerly worked ...
, which was "postponed indefinitely" on March 24, 2006, after being in
development hell Development hell, also known as development purgatory or development limbo, is media and software industry jargon for a project, concept, or idea that remains in a stage of early development for a long time because of legal, technical, or artistic ...
for much of its lifespan.Schreier, 2024, Chapter 11: "That King of Looked Like Me" Work on a project called ''Nomad'' started around 1998 after the release of ''Starcraft'', with development led by Duane Stinnett. ''Nomad'' was inspired by the tabletop role playing game ''
Necromunda ''Necromunda'' is a skirmish tabletop war game originally produced by Games Workshop in 1995. It has been relaunched as ''Necromunda: Underhive'' in 2017. In ''Necromunda'', players control rival gangs battling each other in the Underhive, ...
'' that was played in a post-apocalyptic setting. The project had vague goals, and around that time, many of the staff of Blizzard began playing
MMORPG A massively multiplayer online role-playing game (MMORPG) is a video game that combines aspects of a role-playing video game and a massively multiplayer online game. As in role-playing games (RPGs), the player assumes the role of a Player charac ...
s ''
EverQuest ''EverQuest'' is a 3D fantasy-themed massively multiplayer online role-playing game (MMORPG) originally developed by Verant Interactive and 989 Studios for Windows. It was released by Sony Online Entertainment in March 1999 in North America, ...
'' and ''
Ultima Online ''Ultima Online'' (''UO'') is a fantasy massively multiplayer online role-playing game (MMORPG) released on September 24, 1997 by Origin Systems. Set in the '' Ultima'' universe, it is known for its extensive player versus player combat syste ...
''. ''Nomad'' was cancelled in 1999 as Blizzard shifted to making their own MMORPG, ''World of Warcraft''.Schreier, 2024, Chapter 8: Nomad In the wake of the 2018 layoffs, two projects were cancelled: One was codenamed ''Orion'', an asynchronous card game for mobile devices designed by ''Hearthstone'' developers. While the game was considered fun to play when players were engaged in real time, the asynchronous aspect diluted the enjoyment of the. The second, codenamed ''Ares'', was a first-person shooter within the ''Starcraft'' universe inspired by
Electronic Arts Electronic Arts Inc. (EA) is an American video game company headquartered in Redwood City, California. Founded in May 1982 by former Apple Inc., Apple employee Trip Hawkins, the company was a pioneer of the early home computer game industry ...
' ''
Battlefield A battlefield, battleground, or field of battle is the location of a present or historic battle involving ground warfare. It is commonly understood to be limited to the point of contact between opposing forces, though battles may involve troop ...
'' series that had been in development for three years. After seven years of development, Blizzard revealed the cancellation of an unannounced MMO codenamed ''
Titan Titan most often refers to: * Titan (moon), the largest moon of Saturn * Titans, a race of deities in Greek mythology Titan or Titans may also refer to: Arts and entertainment Fictional entities Fictional locations * Titan in fiction, fictiona ...
'' on September 23, 2014, though ''
Overwatch ''Overwatch'' (abbreviated as OW) is a multimedia franchise centered on a series of multiplayer first-person shooter (FPS) video games developed by Blizzard Entertainment. ''Overwatch (video game), Overwatch'' was released in 2016 with a success ...
'' was created from its assets. The company also has a history of declining to set release dates, choosing to instead take as much time as needed, generally saying a given product is "done when it's done." ''Pax Imperia II'' was originally announced as a title to be published by Blizzard. Blizzard eventually dropped ''Pax Imperia II'', though, when it decided it might be in conflict with their other space strategy project, which became known as ''
StarCraft ''StarCraft'' is a military science fiction media franchise created by Chris Metzen and James Phinney and owned by Blizzard Entertainment. The series, set in the beginning of the 26th century, centers on a galactic struggle for dominance amon ...
''. THQ eventually contracted with Heliotrope and released the game in 1997 as '' Pax Imperia: Eminent Domain''. The company announced in January 2022 that it was near release of another new intellectual property, named ''
Odyssey The ''Odyssey'' (; ) is one of two major epics of ancient Greek literature attributed to Homer. It is one of the oldest surviving works of literature and remains popular with modern audiences. Like the ''Iliad'', the ''Odyssey'' is divi ...
'' according to ''
Bloomberg News Bloomberg News (originally Bloomberg Business News) is an international news agency headquartered in New York City and a division of Bloomberg L.P. Content produced by Bloomberg News is disseminated through Bloomberg Terminals, Bloomberg T ...
'', a
survival game Survival games are a subgenre of action games which are often set in hostile, intense, open-world environments. Players generally start with minimal equipment and are required to survive as long as possible by finding the resources necessary t ...
that had been at work at the studio for nearly six years before its cancellation in 2024. ''Bloomberg'' stated that the game's origins came from ''World of Warcraft'' developer Craig Amai, and was originally prototyped using the
Unreal Engine Unreal Engine (UE) is a 3D computer graphics game engine developed by Epic Games, first showcased in the 1998 first-person shooter video game '' Unreal''. Initially developed for PC first-person shooters, it has since been used in a variety of ...
, which Blizzard licensed from
Epic Games Epic Games, Inc. is an American Video game developer, video game and software development, software developer and video game publisher, publisher based in Cary, North Carolina. The company was founded by Tim Sweeney (game developer), Tim Sween ...
. When the game was revealed in 2022, about 100 employees were working on it, but around the same time, there was effort to switch from Unreal to Synapse, Blizzard's engine used for mobile games, though artists continued to develop assets in Unreal. Near when Microsoft completed its acquisition of Activision Blizzard, there was an internal belief that they would be able to bring on more developers to complete the transition to Synapse and have the game ready for a 2026 release, but with the culling of 1,900 staff from
Microsoft Gaming Microsoft Gaming is an American multinational video game and digital entertainment division of Microsoft based in Redmond, Washington, established in 2022. Its five development and publishing labels consist of: Xbox Game Studios, Bethesda Soft ...
in January 2024, the game's development was cancelled.


Ports

The company, known at the time as the Silicon & Synapse, initially concentrated on
porting In software engineering, porting is the process of adapting software for the purpose of achieving some form of execution in a computing environment that is different from the one that a given program (meant for such execution) was originally desig ...
other studios' games to computer platforms, developing 8 ports between 1992 and 1993.


Company structure

As with most studios with multiple franchises, Blizzard Entertainment has organized different departments to oversee these franchises. Formally, since around the time of ''World of Warcraft'' in 2004, these have been denoted through simply numerical designations. The original three teams were: * Team 1 manages the ''StarCraft'' property. The team also oversaw the development of the ''StarCraft'' spin-off ''
Heroes of the Storm ''Heroes of the Storm'' is a multiplayer online battle arena video game developed and published by Blizzard Entertainment. Announced at BlizzCon 2010, it was released on June 2, 2015 for macOS and Windows. The game features various crossover ...
''. Team 1 also included the Classics Team to work on remastering Blizzard's earlier properties for modern computers, which have included '' StarCraft: Remastered'', '' Warcraft III: Reforged'' and '' Diablo II: Resurrected''. The Classic Games team was disbanded around August 2020, about eight months after ''Warcraft III: Reforged'' was released; according to
Jason Schreier Jason Schreier (born May 10, 1987) is an American journalist and author who primarily covers the video game industry. He worked as a news reporter for ''Kotaku'' from 2011 to 2020 and was recognized for several Investigative journalism, investig ...
of ''
Bloomberg News Bloomberg News (originally Bloomberg Business News) is an international news agency headquartered in New York City and a division of Bloomberg L.P. Content produced by Bloomberg News is disseminated through Bloomberg Terminals, Bloomberg T ...
'', this was due to Activision Blizzard driving Blizzard away from remastering its old properties, which figured into the launch issues with ''Warcraft III: Reforged''. * Team 2 continues to manage and create content for ''World of Warcraft''. * Team 3 oversees the ''Diablo'' franchise. Since 2004, two new teams were created: * Team 4 was created around 2007 to work on Blizzard's first new IP since ''World of Warcraft'', that being ''
Titan Titan most often refers to: * Titan (moon), the largest moon of Saturn * Titans, a race of deities in Greek mythology Titan or Titans may also refer to: Arts and entertainment Fictional entities Fictional locations * Titan in fiction, fictiona ...
''. ''Titan'' had development difficulties near 2013, and most of Team 4 was reallocated to the other teams, but the remaining members, led by Jeff Kaplan, revised ''Titan''s concept into ''
Overwatch ''Overwatch'' (abbreviated as OW) is a multimedia franchise centered on a series of multiplayer first-person shooter (FPS) video games developed by Blizzard Entertainment. ''Overwatch (video game), Overwatch'' was released in 2016 with a success ...
'', which remains in Team 4's hands since its release in 2016. * Team 5 was created in 2008 to explore smaller games that could fit into Blizzard's portfolio. This resulted in the creation of ''
Hearthstone ''Hearthstone'' is a 2014 Online game, online digital collectible card game, digital collectible card video game produced by Blizzard Entertainment, released under the free-to-play model. Originally subtitled ''Heroes of Warcraft'', ''Hearthsto ...
'', a collectible card game based on the ''Warcraft'' property, which became Team 5's priority. Blizzard has used an informal motto, "it'll be ready when it's ready" to describe the release schedule for its games. The concept of accepting delays in software releases originally came about when the company opted to push back the release of ''Diablo'' to assure a quality product at release. By the time of ''World of Warcraft'', employees began using the phrase in response to eager fans looking for a release date.Schreier, 2024, Chapter 3: Click Click ClickSchreier, 2024, Chapter 9: ''Everquest'', but Better


Technology


Battle.net 2.0

Blizzard Entertainment released its revamped Battle.net service in 2009. The platform provides online gaming,
digital distribution Digital distribution, also referred to as content delivery, online distribution, or electronic software distribution, among others, is the delivery or distribution of information or materials through digital platforms. The distribution of digital ...
,
digital rights management Digital rights management (DRM) is the management of legal access to digital content. Various tools or technological protection measures, such as access control technologies, can restrict the use of proprietary hardware and copyrighted works. DRM ...
, and
social networking service A social networking service (SNS), or social networking site, is a type of online social media platform which people use to build social networks or social relationships with other people who share similar personal or career content, interest ...
. Battle.net allows people who have purchased Blizzard products to download digital copies of games they have purchased, without needing any physical media. On November 11, 2009, Blizzard required all ''World of Warcraft'' accounts to switch over to Battle.net accounts. This transition means that all current Blizzard titles can be accessed, downloaded, and played with a singular Battle.net login. Battle.net 2.0 is the platform for matchmaking service for Blizzard games, which offers players a host of additional features. Players are able to track their friend's achievements, view match history, avatars, etc. Players are able to unlock a wide range of achievements for Blizzard games. The service provides the user with community features such as friends lists and groups, and allows players to chat simultaneously with players from other Blizzard games using
VoIP Voice over Internet Protocol (VoIP), also known as IP telephony, is a set of technologies used primarily for voice communication sessions over Internet Protocol (IP) networks, such as the Internet. VoIP enables voice calls to be transmitted as ...
and
instant messaging Instant messaging (IM) technology is a type of synchronous computer-mediated communication involving the immediate ( real-time) transmission of messages between two or more parties over the Internet or another computer network. Originally involv ...
. For example, players no longer need to create multiple user names or accounts for most Blizzard products. To enable cross-game communication, players need to become either Battletag or Real ID friends.


Warden client

Blizzard Entertainment has made use of a special form of software known as the 'Warden Client'. The Warden client is known to be used with Blizzard's online games such as ''Diablo'' and ''World of Warcraft'', and the Terms of Service contain a clause consenting to the Warden software's RAM scans while a Blizzard game is running. The Warden client scans a small portion of the
code segment In computing, a code segment, also known as a text segment or simply as text, is a portion of an object file or the corresponding section of the program's virtual address space that contains executable instructions. Segment The term "segment" c ...
of running processes in order to determine whether any third-party programs are running. The goal of this is to detect and address players who may be attempting to run unsigned code or third party programs in the game. This determination of third party programs is made by
hashing Hash, hashes, hash mark, or hashing may refer to: Substances * Hash (food), a coarse mixture of ingredients, often based on minced meat * Hash (stew), a pork and onion-based gravy found in South Carolina * Hash, a nickname for hashish, a cannab ...
the scanned
strings String or strings may refer to: *String (structure), a long flexible structure made from threads twisted together, which is used to tie, bind, or hang other objects Arts, entertainment, and media Films * ''Strings'' (1991 film), a Canadian anim ...
and comparing the hashed value to a list of hashes assumed to correspond to banned third party programs. The Warden's reliability in correctly discerning legitimate versus illegitimate actions was called into question when a large-scale incident happened. This incident banned many Linux users after an update to Warden caused it to incorrectly detect Cedega as a cheat program. Blizzard issued a statement claiming they had correctly identified and restored all accounts and credited them with 20 days' play. Warden scans all processes running on a computer, not just the game, and could possibly run across what would be considered private information and other
personally identifiable information Personal data, also known as personal information or personally identifiable information (PII), is any information related to an identifiable person. The abbreviation PII is widely used in the United States, but the phrase it abbreviates has fou ...
. It is because of these peripheral scans that Warden has been accused of being
spyware Spyware (a portmanteau for spying software) is any malware that aims to gather information about a person or organization and send it to another entity in a way that harms the user by violating their privacy, endangering their device's securit ...
and has run afoul of controversy among
privacy Privacy (, ) is the ability of an individual or group to seclude themselves or information about themselves, and thereby express themselves selectively. The domain of privacy partially overlaps with security, which can include the concepts of a ...
advocates.


Controversies and legal disputes


Blizzard Entertainment, Inc. v. Valve Corporation

Shortly after
Valve A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or Slurry, slurries) by opening, closing, or partially obstructing various passageways. Valves are technically Pip ...
filed its trademark for "DotA" to secure the franchising rights for ''
Dota 2 ''Dota 2'' is a 2013 multiplayer online battle arena (MOBA) video game by Valve Corporation, Valve. The game is a sequel to ''Defense of the Ancients'' (''DotA''), a community-created Mod (video gaming), mod for Blizzard Entertainment's ''War ...
'', DotA-Allstars, LLC, run by former contributors to the game's predecessor, ''
Defense of the Ancients ''Defense of the Ancients'' (''DotA'') is a multiplayer online battle arena (MOBA) mod (video gaming), mod for the video game ''Warcraft III: Reign of Chaos'' (2002) and its expansion, ''The Frozen Throne'' (2003). The objective of the game is ...
'', filed an opposing trademark in August 2010. DotA All-Stars, LLC was sold to Blizzard Entertainment in 2011. After the opposition was over-ruled in Valve's favor, Blizzard filed an opposition against Valve in November 2011, citing their license agreement with developers, as well as their ownership of DotA-Allstars, LLC. An agreement was reached between Blizzard and Valve in May 2012 giving Valve undisputed commercial rights to the "DotA" trademark, notably for
Dota 2 ''Dota 2'' is a 2013 multiplayer online battle arena (MOBA) video game by Valve Corporation, Valve. The game is a sequel to ''Defense of the Ancients'' (''DotA''), a community-created Mod (video gaming), mod for Blizzard Entertainment's ''War ...
, while retaining rights for Blizzard to use the name in a noncommercial manner for its community "with regard to player-created maps for Warcraft III and StarCraft II". As part of the agreement Blizzard also renamed a custom map they had originally developed for '' StarCraft II: Wings of Liberty'' from "Blizzard DOTA" to "Blizzard All-Stars" which would eventually become the stand-alone game, ''
Heroes of the Storm ''Heroes of the Storm'' is a multiplayer online battle arena video game developed and published by Blizzard Entertainment. Announced at BlizzCon 2010, it was released on June 2, 2015 for macOS and Windows. The game features various crossover ...
''.


''California Department of Fair Employment and Housing v. Activision Blizzard''

Following a two-year investigation, the
California Department of Fair Employment and Housing The California Civil Rights Department (CRD), formerly known as the Department of Fair Employment and Housing (DFEH), is an agency of California state government charged with the protection of residents from employment, housing and public accom ...
(DFEH) filed a lawsuit against Activision Blizzard in July 2021 for gender-based discrimination and sexual harassment, principally within the Blizzard Entertainment workplace. The DFEH alleges that female employees were subjected to constant sexual harassment, unequal pay, retaliation, as well as discrimination based on pregnancy. The suit also described a "pervasive frat boy workplace culture" at Blizzard that included objectification of women's bodies and jokes about rape. Activision Blizzard's statement described the suit as meritless, contending that action had been taken in any instances of misconduct. The company also objected to the DFEH not approaching them prior to filing. The lawsuit prompted an employee walkout, as well as leading J Allen Brack, and head of human resources, Jesse Meschuk, to step down. Amidst the lawsuit, Morhaime, Brack's predecessor, posted a statement to Twitter writing that he was “ashamed.” Because of these allegations, Blizzard changed names that referenced employees in multiple of its franchises, including ''Overwatch'' and ''World of Warcraft''.


Founder Electronics infringement lawsuit

On August 14, 2007,
Beijing University Peking University (PKU) is a public university in Haidian, Beijing, China. It is affiliated with and funded by the Ministry of Education of China. The university is part of Project 211, Project 985, and the Double First-Class Construction. It i ...
Founder Electronics Co., Ltd. sued Blizzard Entertainment Limited for copyright infringement claiming 100 million yuan in damages. The lawsuit alleged the Chinese edition of ''World of Warcraft'' reproduced a number of Chinese typefaces made by Founder Electronics without permission.


''FreeCraft''

On June 20, 2003, Blizzard issued a
cease and desist A cease and desist letter is a document sent by one party, often a business, to warn another party that they believe the other party is committing an unlawful act, such as copyright infringement, and that they will take legal action if the oth ...
letter to the developers of an
open-source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use and view the source code, design documents, or content of the product. The open source model is a decentrali ...
clone of the Warcraft engine called ''FreeCraft'', claiming
trademark infringement Trademark infringement is a violation of the exclusive rights attached to a trademark without the authorization of the trademark owner or any licensees (provided that such authorization was within the scope of the licence). Infringement may occ ...
. This hobby project had the same gameplay and characters as ''Warcraft II'', but came with different graphics and music. As well as a similar name, ''FreeCraft'' enabled players to use ''Warcraft II'' graphics, provided they had the ''Warcraft II'' CD. The programmers of the clone shut down their site without challenge. Soon after that the developers regrouped to continue the work by the name of '' Stratagus''.


''Hearthstone'' ban and Hong Kong protests

During an October 2019 ''Hearthstone Grandmasters'' streaming event in
Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
, one player Ng Wai Chung, going by his online alias "Blitzchung" used an interview period to show support for the protestors in the 2019–20 Hong Kong protests. Shortly afterwards, on October 7, 2019, Blitzchung was disqualified from the current tournament and forfeited his winnings to date, and banned for a one-year period. The two shoutcasters engaged in the interview were also penalized with similar bans. Blizzard justified the ban as from its ''Grandmasters'' tournament rules that prevents players from anything that "brings hemselvesinto public disrepute, offends a portion or group of the public, or otherwise damages lizzard'simage". Blizzard's response led to several protests from current ''Hearthstone'' players, other video game players, and criticism from Blizzard's employees, fearing that Blizzard was giving into the censorship of the Chinese government. Protests were held, including through the 2019
BlizzCon BlizzCon is an annual gaming convention held by Blizzard Entertainment to promote its major franchises including '' Warcraft'', '' StarCraft'', '' Diablo'', ''Hearthstone'', ''Heroes of the Storm,'' and '' Overwatch''. The first BlizzCon was h ...
in early November, to urge Blizzard to reverse their bans. The situation also drew the attention of several U.S. lawmakers, fearing that Blizzard, as a U.S. company, was letting China dictate how it handled speech and also urged the bans to be reversed. Blizzard CEO J. Allen Brack wrote an open letter on October 11, 2019, apologizing for the way Blizzard handled the situation, and reduced the bans for both Blitzchung and the casters to six months. Brack reiterated that while they support free speech and their decision was in no way tied to the Chinese government, they want players and casters to avoid speaking beyond the tournament and the games in such interviews.


King's "Diversity Tool" controversy

On May 12, 2022, Blizzard Entertainment released a blog post about the Diversity Space Tool, developed by a team at
King King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...
– a mobile business unit at Activision Blizzard – alongside the
MIT The Massachusetts Institute of Technology (MIT) is a private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of modern technology and sc ...
Game Lab. Jacqueline Chomatas, King's globalization project manager, described the tool as a "measurement device" to analyze how diverse the characters are "when compared to the 'norm'". The post showed example images of the tool being used on ''Overwatchs cast, with graphs showing breakdowns of the character attributes, and stated that "The Overwatch 2 team at Blizzard has also had a chance to experiment with the tool, with equally enthusiastic first impressions." Blizzard shared the intent to release the tool during the summer and fall of 2022, with the goal of "making the tool available to the industry as a whole". The tool received heavy backlash online. Many people asked why Blizzard would create the tool instead of hiring diverse teams, and raised questions regarding the tool's rating scale. The blog post originally suggested that the tool was used in an active development, mainly for ''Overwatch'', which led some Blizzard employees working on the game to publicly deny the tool was used in ''Overwatch'' development and to criticize the tool further. On May 13, 2022, the blog post was edited to remove the example images of the tool and any mention of ''Overwatch''. Later, the post was deleted altogether.


''MDY Industries, LLC v. Blizzard Entertainment, Inc.''

On July 14, 2008, the
United States District Court for the District of Arizona The United States District Court for the District of Arizona (in case citations, D. Ariz.) is the U.S. district court that covers the state of Arizona. It is under the United States Court of Appeals for the Ninth Circuit. The District was esta ...
ruled on the case ''MDY Industries, LLC v. Blizzard Entertainment, Inc.''. The Court found that MDY was liable for
copyright infringement Copyright infringement (at times referred to as piracy) is the use of Copyright#Scope, works protected by copyright without permission for a usage where such permission is required, thereby infringing certain exclusive rights granted to the c ...
since users of its Glider bot program were breaking the End User License Agreement and Terms of Use for ''
World of Warcraft ''World of Warcraft'' (''WoW'') is a 2004 massively multiplayer online role-playing (MMORPG) video game developed and published by Blizzard Entertainment for Windows and Mac OS X. Set in the '' Warcraft'' fantasy universe, ''World of War ...
''. MDY Industries appealed the judgment of the district court, and a judgment was delivered by the Ninth Circuit Court of Appeals on December 14, 2010, in which the summary judgment against MDY for contributory copyright infringement was reversed. Nevertheless, they ruled that the bot violated the
DMCA The Digital Millennium Copyright Act (DMCA) is a 1998 United States copyright law that implements two 1996 treaties of the World Intellectual Property Organization (WIPO). It criminalizes production and dissemination of technology, devices, or ...
and the case was sent back to the district court for review in light of this decision. ''MDY v. Blizzard''s decision did affirm a prior Ninth Circuit ruling in ''
Vernor v. Autodesk, Inc. ''Vernor v. Autodesk, Inc.'' was a case in the United States District Court for the Western District of Washington regarding the applicability of the first-sale doctrine to software sold under the terms of so-called "Shrink wrap contract, shrink ...
'' that software licenses, such as the one used by Blizzard for ''WoW'', were enforceable and enshrined the principle that video games could be sold as licenses to players rather than purchased. This ruling, though limited to the states of the Ninth Circuit, has been used by the industry to continue to sell games as licenses to users.


Privacy controversy and Real ID

On July 6, 2010, Blizzard Entertainment announced that they were changing the way their forums worked to require that users identify themselves with their real name. The reaction from the community was overwhelmingly negative with multiple game magazines calling the change "foolhardy" and an "epic fail". It resulted in a significant user response on the Blizzard forums, including one thread on the issue reaching over 11,000 replies. This included personal details of a Blizzard employee who gave his real name "to show it wasn't a big deal". Shortly after revealing his real name, forum users posted personal information including his phone number, picture, age, home address, family members, and favorite
TV shows A television show, TV program (), or simply a TV show, is the general reference to any content produced for viewing on a television set that is broadcast via over-the-air, satellite, and cable, or distributed digitally on streaming platfo ...
and
films A film, also known as a movie or motion picture, is a work of Visual arts, visual art that simulates experiences and otherwise communicates ideas, stories, perceptions, emotions, or atmosphere through the use of moving images that are gen ...
. Some technology media outlets suggested that displaying real names through Real ID is a good idea and would benefit both Battle.net and the Blizzard community. But others were worried that Blizzard was opening their fans up to real-life dangers such as stalking, harassment, and employment issues, since a simple Internet search by someone's employer can reveal their online activities. Blizzard initially responded to some of the concerns by saying that the changes would not be retroactive to previous posts, that parents could set up the system so that minors cannot post, and that posting to the forums is optional. However, due to the significant negative response, Blizzard President
Michael Morhaime Michael Morhaime (born November 3, 1967) is an American video game developer and entrepreneur. He is the chief executive officer (CEO) and founder of Dreamhaven, located in Irvine, California. Morhaime is best known as the co-founder and the fo ...
issued a statement rescinding the plan to use real names on Blizzard's forums for the time being. The idea behind this plan was to allow players who had a relationship outside of the games to find each other more easily across all the Blizzard game titles.


''StarCraft'' privacy and other lawsuits

In 1998, Donald P. Driscoll, an
Albany, California Albany ( ) is a city on the east shore of San Francisco Bay in northwestern Alameda County, California, United States. The population was 20,271 at the 2020 United States census. History In 1908, a group of local women protested the dumping ...
attorney, filed a suit on behalf of Intervention, Inc., a California consumer group, against Blizzard Entertainment for "unlawful business practices" for the action of collecting data from a user's computer without their permission. On May 19, 2014, Blizzard Entertainment filed a lawsuit in federal court in California, alleging that the unidentified programmers were involved in creation of software that hacks ''StarCraft II''. Most of the alleged charges are related to copyright infringement. Back in May 2010, MBCPlus Media, which operates the network MBCGame (Korean television stations that are broadcasting tournaments built around ''StarCraft''), was sued by Blizzard for broadcasting StarCraft tournaments without the company's consent, insisting that ''StarCraft'' is not a public domain offering, as Blizzard has invested significant money and resources to create the ''StarCraft'' game.


''World of Warcraft'' private server complications

On December 5, 2008, Blizzard Entertainment issued a
cease and desist A cease and desist letter is a document sent by one party, often a business, to warn another party that they believe the other party is committing an unlawful act, such as copyright infringement, and that they will take legal action if the oth ...
letter to many administrators of high-population ''
World of Warcraft ''World of Warcraft'' (''WoW'') is a 2004 massively multiplayer online role-playing (MMORPG) video game developed and published by Blizzard Entertainment for Windows and Mac OS X. Set in the '' Warcraft'' fantasy universe, ''World of War ...
'' private servers (essentially slightly altered hosting servers of the actual ''World of Warcraft'' game, that players do not have to pay for). Blizzard used the
Digital Millennium Copyright Act The Digital Millennium Copyright Act (DMCA) is a 1998 United States copyright law that implements two 1996 treaties of the World Intellectual Property Organization (WIPO). It criminalizes production and dissemination of technology, devices, or ...
to influence many private servers to fully shut down and cease to exist.


Related companies

Over the years, some former Blizzard Entertainment employees have moved on and established gaming companies of their own. Several of these occurred following the merger between Activision Holdings and Blizzard's parent company at the time,
Vivendi Games Vivendi Games (formerly known as CUC Software, Cendant Software, Havas Interactive, Vivendi Universal Interactive Publishing and Vivendi Universal Games) was an American video game publisher and holding company based in Los Angeles. It was foun ...
in 2008, and more recently as Activision Blizzard has directed Blizzard away from properties like ''Warcraft'' and ''StarCraft'' that are not seen as financial boons to the larger company. These employees left to form their smaller studios to give themselves the creative freedom that they were lacking at Blizzard. Collectively these studios are known as "Blizzard 2.0". *
ArenaNet ArenaNet, LLC is an American video game developer and subsidiary of NCSoft, founded in 2000 by Mike O'Brien (game developer), Mike O'Brien, Patrick Wyatt and Jeff Strain and located in Bellevue, Washington. They are most notable as developers o ...
, creators of the ''
Guild Wars ''Guild Wars'' is an online role-playing game franchise developed by ArenaNet and published by NCSoft. The games were critically well received and won many editor's choice awards, as well as awards such as "D.I.C.E. Award for Role-Playing Game ...
'' franchise. *
Bonfire Studios Bonfire Studios is a video game development studio located in Orange County, California. It was co-founded in 2016 by former Blizzard Entertainment Chief Creative Officer Rob Pardo. History After leaving Blizzard Entertainment in 2014, whe ...
, founded by
Rob Pardo Rob Pardo (born June 9, 1970) is an American video game designer who is the founder of Bonfire Studios. He previously served as Chief Creative Officer of Blizzard Entertainment until resigning in 2014 after almost seventeen years with the compa ...
. *
Carbine Studios Carbine Studios, Inc. was a video game developer and subsidiary of NCSoft, founded in 2005 by former members of Blizzard Entertainment. They were the developers of the online role-playing game ''WildStar''. History In the spring of 2005, Kevin Be ...
, now defunct as of September 2018, after releasing a massively multiplayer title '' WildStar''. * Castaway Entertainment, now defunct, after working on a game similar to the ''Diablo'' series, ''Djinn''. * Dreamhaven, founded by
Michael Morhaime Michael Morhaime (born November 3, 1967) is an American video game developer and entrepreneur. He is the chief executive officer (CEO) and founder of Dreamhaven, located in Irvine, California. Morhaime is best known as the co-founder and the fo ...
. * Fantastic Pixel Castle, founded by Greg Street, working on a new combat-focused MMO, codenamed "Ghost." *
Flagship Studios Flagship Studios was an American video game developer founded by Bill Roper along with , , and David Brevik, former Blizzard North executives. The latter three had been collaborating since their 1993 founding of Condor Studios, later renamed up ...
, now defunct, creators of '' Hellgate: London'', also worked on ''
Mythos Myth is a genre of folklore consisting primarily of narratives that play a fundamental role in a society. For scholars, this is very different from the vernacular usage of the term "myth" that refers to a belief that is not true. Instead, the ...
''. * Frost Giant Studios, founded by Tim Morten and Tim Campbell, currently developing real-time strategy game '' Stormgate''. * Hyboreal Games, founded by
Michio Okamura Michio Okamura is a computer game developer and artist. He was the lead artist for the popular computer game '' Diablo'', and senior artist on ''Diablo II''. He designed many of the game's characters, including the title character. He is currently ...
. * Magic Soup Games, founded by J. Allen Brack and Jen Oneal. * Ready at Dawn Studios, creators of '' The Order: 1886'', ''
Daxter This is a list of characters in the ''Jak and Daxter'' series, a video game franchise originally developed by Naughty Dog for the PlayStation 2. Currently, six games in the series have been released, with Jak as the primary playable character in ...
'', '' God of War: Chains of Olympus'' and an ''
Ōkami is a 2006 action-adventure game developed by Clover Studio and published by Capcom. It was released for PlayStation 2 in 2006 in Japan and North America, and in 2007 in Europe and Australia. After the closure of Clover Studio a few months afte ...
'' port for the
Wii The Wii ( ) is a home video game console developed and marketed by Nintendo. It was released on November 19, 2006, in North America, and in December 2006 for most other regions of the world. It is Nintendo's fifth major home game console, f ...
. *
Red 5 Studios ''Firefall'' is a discontinued science fiction free-to-play massive multiplayer online open world shooter video game developed and released by Red 5 Studios in 2014. Officially announced in 2010, the game entered closed beta in 2011 and open beta ...
, now defunct, creators of ''
Firefall Firefall is an American soft rock band that formed in Boulder, Colorado, in 1974. It was founded by Rick Roberts (musician), Rick Roberts, former member of the Flying Burrito Brothers, and Jock Bartley, who had been Tommy Bolin's replacement ...
'', a free-to-play
MMOG A massively multiplayer online game (MMOG or more commonly MMO) is an online video game with a large number of players to interact in the same online game world. MMOs usually feature a huge, persistent open world, although there are games th ...
. *
Runic Games Runic Games was an American video game developer based in Seattle. It was formed by former Flagship Studios developers in August 2008. In 2009, the company released ''Torchlight'', a single-player action role-playing game. It was acquired by Perf ...
, now defunct, founded by Travis Baldree, Erich Schaefer, and Max Schaefer; creators of ''
Torchlight ''Torchlight'' is an action role-playing hack and slash dungeon crawler video game developed by Runic Games and published by Perfect World Entertainment. It was originally released for Windows in October 2009. The fantasy-themed game is set in ...
''. * Second Dinner, founded by
Ben Brode Ben Brode is an American video game designer. He was the game director and public face of ''Hearthstone'' until 2018 when he left to found his own game studio, Second Dinner, where he is now Chief Development Officer. Life and career Brode joi ...
, creators of ''
Marvel Snap ''Marvel Snap'' is a digital collectible card game developed by Second Dinner and published by Nuverse for Android, iOS, and Windows. The game features a collection of different characters from the Marvel Universe. The game was released on Oct ...
''. * Uncapped Games, founded by David Kim and Jason Hughes.


Notes


References

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Further reading

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External links

* {{Authority control Companies based in Irvine, California Former Vivendi subsidiaries Spike Video Game Award winners Video game companies based in California Video game companies established in 1991 Video game controversies Video game development companies Video game publishers