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Valve Corporation, also known as Valve Software, 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 ...
,
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 ...
, and
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 ...
company headquartered in
Bellevue, Washington Bellevue ( ) is a city in the Eastside (King County, Washington), Eastside region of King County, Washington, United States, located across Lake Washington from Seattle. It is the third-largest city in the Seattle metropolitan area, and the f ...
. It is the developer of the software distribution platform
Steam Steam is water vapor, often mixed with air or an aerosol of liquid water droplets. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization. Saturated or superheated steam is inv ...
and the game franchises ''
Half-Life Half-life is a mathematical and scientific description of exponential or gradual decay. Half-life, half life or halflife may also refer to: Film * Half-Life (film), ''Half-Life'' (film), a 2008 independent film by Jennifer Phang * ''Half Life: ...
'', ''
Counter-Strike ''Counter-Strike'' (''CS'') is a series of multiplayer tactical first-person shooter video games, in which opposing teams attempt to complete various objectives. The series began on Windows in 1999 with the release of the first game, '' Counte ...
'', '' Portal'', '' Day of Defeat'', '' Team Fortress'', '' Left 4 Dead'' and ''
Dota ''Dota'' is a series of strategy video games. The series began in 2003 with the release of ''Defense of the Ancients'' (''DotA''), a fan-developed multiplayer online battle arena (MOBA) custom map for the video game ''Warcraft III: Reign of Ch ...
''. Valve was founded in 1996 by the former
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 ...
employees
Gabe Newell Gabe Logan Newell (born November 3, 1962), also known by his nickname Gaben, is an American video game developer and businessman. He is the president and co-founder of the video game company Valve Corporation. Newell was born in Colorado and ...
and Mike Harrington. Their debut game, the
first-person shooter A first-person shooter (FPS) is a video game genre, video game centered on gun fighting and other weapon-based combat seen from a First person (video games), first-person perspective, with the player experiencing the action directly through t ...
(FPS) ''
Half-Life Half-life is a mathematical and scientific description of exponential or gradual decay. Half-life, half life or halflife may also refer to: Film * Half-Life (film), ''Half-Life'' (film), a 2008 independent film by Jennifer Phang * ''Half Life: ...
'' (1998), was a critical and commercial success and had a lasting influence on the FPS genre. Harrington left in 2000. In 2003, Valve launched Steam, followed by ''
Half-Life 2 ''Half-Life 2'' is a 2004 first-person shooter game developed and published by Valve Corporation. It was published for Windows on Valve's digital distribution service, Steam. Like the original ''Half-Life'' (1998), ''Half-Life 2'' is played ent ...
'' (2004), the episodic sequels '' Half-Life 2: Episode One'' (2006) and '' Episode Two'' (2007), the multiplayer games ''
Team Fortress 2 ''Team Fortress 2'' (''TF2'') is a Multiplayer video game, multiplayer first-person shooter game developed and published by Valve Corporation in 2007. It is the sequel to the 1996 ''Team Fortress'' Mod (video gaming), mod for ''Quake (video g ...
'' (2007) and '' Left 4 Dead'' (2008), the puzzle games '' Portal'' (2007) and '' Portal 2'' (2011) and the
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 ...
game ''
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 ...
'' (2013). In the 2010s, Valve released fewer games and experimented with hardware and
virtual reality Virtual reality (VR) is a Simulation, simulated experience that employs 3D near-eye displays and pose tracking to give the user an immersive feel of a virtual world. Applications of virtual reality include entertainment (particularly video gam ...
(VR). They entered the hardware market in 2015 with the Steam Machine, a line of
gaming computer A gaming computer, also known as a gaming PC, is a specialized personal computer designed for playing PC games at high standards. They typically differ from mainstream personal computers by using high-performance graphics cards, a high core-co ...
s, which sold poorly, and released the
HTC Vive HTC Vive is a line of Virtual reality, virtual and mixed reality Virtual reality headset, headsets produced by HTC, HTC Corporation. The brand currently encompasses headsets designed for use with Personal computer, personal computers as well a ...
and Valve Index VR headsets. They returned to the ''Half-Life'' series in 2020 with '' Half-Life: Alyx'', their flagship VR game. In 2022, Valve released the Steam Deck, a portable gaming system. Valve uses a flat structure, whereby employees decide what to work on themselves. They develop games through
playtesting A playtest is the process by which a game designer tests a new game for bugs and design flaws before releasing it to market. Playtests can be run "open", "closed", "beta", or otherwise, and are very common with board games, collectible card games, ...
and iteration, describing game design as a kind of
experimental psychology Experimental psychology is the work done by those who apply Experiment, experimental methods to psychological study and the underlying processes. Experimental psychologists employ Research participant, human participants and Animal testing, anim ...
. By 2012, Valve employed around 250 people and was reportedly worth over US$3 billion. Most of Valve's revenue comes from Steam, which controlled over half of the digital PC games market in 2011 and generated an estimated $3.4 billion in 2017.


History


Founding and ''Half-Life'' (1996–2003)

Valve was founded in 1996 by the former
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 ...
employees
Gabe Newell Gabe Logan Newell (born November 3, 1962), also known by his nickname Gaben, is an American video game developer and businessman. He is the president and co-founder of the video game company Valve Corporation. Newell was born in Colorado and ...
and Mike Harrington. Newell had spent the prior 13 years at Microsoft developing
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 ...
, including the
Windows 95 Windows 95 is a consumer-oriented operating system developed by Microsoft and the first of its Windows 9x family of operating systems, released to manufacturing on July 14, 1995, and generally to retail on August 24, 1995. Windows 95 merged ...
port of '' Doom''. Wanting to move onto a new venture using their shared wealth, Newell and Harrington founded Valve, L.L.C. in
Kirkland, Washington Kirkland is a city in King County, Washington, United States. A suburb east of Seattle, its population was 92,175 in the 2020 U.S. census which made it the sixth largest city in King County and the twelfth largest city in the state of Washington. ...
, about five miles from the Microsoft campus in Redmond, on August 24, 1996, Newell's wedding day. In a break from industry style of the time, Newell did not want a company name that suggested "testosterone-gorged muscles and the 'extreme' of anything". Alternative names considered by Newell and Harrington include Hollow Box, Fruitfly Ensemble and Rhino Scar. Valve's first game was ''
Half-Life Half-life is a mathematical and scientific description of exponential or gradual decay. Half-life, half life or halflife may also refer to: Film * Half-Life (film), ''Half-Life'' (film), a 2008 independent film by Jennifer Phang * ''Half Life: ...
'', a
first-person shooter A first-person shooter (FPS) is a video game genre, video game centered on gun fighting and other weapon-based combat seen from a First person (video games), first-person perspective, with the player experiencing the action directly through t ...
(FPS) with elements of horror. The development was aided by access to the ''Quake'' engine by
id Software id Software LLC () is an American video game developer based in Richardson, Texas. It was founded on February 1, 1991, by four members of the computer company Softdisk: game programmer, programmers John Carmack and John Romero, game designer T ...
; Valve modified this engine into their
GoldSrc GoldSrc (pronounced "Gold Source"), sometimes called the ''Half-Life'' engine, is a proprietary game engine developed by Valve. At its core, GoldSrc is a heavily modified version of id Software's ''Quake'' engine. It made its debut in 1998 with ...
engine. After struggling to find a publisher, Valve eventually signed with Sierra On-Line. ''Half-Life'' was released in November 1998 and was a critical and commercial success. With its realism, scripted sequences and seamless narrative, it had a lasting influence; according to ''
IGN ''IGN'' is an American video gaming and entertainment media website operated by IGN Entertainment Inc., a subsidiary of Ziff Davis, Inc. The company's headquarters is located in San Francisco's SoMa district and is headed by its former e ...
'' in 2014, the history of the FPS genre "breaks down pretty cleanly into pre-''Half-Life'' and post-''Half-Life'' eras". Valve enlisted
Gearbox Software Gearbox Software, L.L.C is an American video game developer, video game development company based in Frisco, Texas. It was established as a limited liability company in February 1999 by five developers formerly of Rebel Boat Rocker. Randy Pitch ...
to develop three expansions for ''Half-Life'': '' Opposing Force'' (1999), '' Blue Shift'' (2001) and '' Decay'' (2001). In 1998, Valve acquired TF Software, a group that had made the popular ''Team Fortress'' mod for ''Quake'', and remade it for GoldSrc as ''
Team Fortress Classic ''Team Fortress Classic'' is a first-person shooter game developed by Valve Corporation, Valve and published by Sierra Studios. It was originally released in April 1999 for Windows, and is based on ''Team Fortress'', a Mod (video gaming), mod f ...
'' in 1999. Valve released the
software development kit A software development kit (SDK) is a collection of software development tools in one installable package. They facilitate the creation of applications by having a compiler, debugger and sometimes a software framework. They are normally specific t ...
(SDK) for the GoldSrc engine, facilitating numerous user-created mods. They acquired the developers of one popular mod, ''
Counter-Strike ''Counter-Strike'' (''CS'') is a series of multiplayer tactical first-person shooter video games, in which opposing teams attempt to complete various objectives. The series began on Windows in 1999 with the release of the first game, '' Counte ...
'', to create a standalone ''Counter-Strike'' game. Happy with Valve's success, Harrington sold his stake in Valve to Newell in 2000. Valve's publishing agreement meant Sierra owned the ''Half-Life''
intellectual property Intellectual property (IP) is a category of property that includes intangible creations of the human intellect. There are many types of intellectual property, and some countries recognize more than others. The best-known types are patents, co ...
and held exclusive publishing rights to future Valve games. In 2001, Valve renegotiated by threatening to cease game development and develop other software, using an offer of a partnership from
Amazon Amazon most often refers to: * Amazon River, in South America * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon (company), an American multinational technology company * Amazons, a tribe of female warriors in Greek myth ...
to create a digital storefront as a bargaining chip. After the agreement with Sierra was amended, Valve gained the ''Half-Life'' intellectual property and online distribution rights for its games.


Source, Steam, and ''Half-Life 2'' (2003–2010)

In 2003, Valve moved to
Bellevue, Washington Bellevue ( ) is a city in the Eastside (King County, Washington), Eastside region of King County, Washington, United States, located across Lake Washington from Seattle. It is the third-largest city in the Seattle metropolitan area, and the f ...
, and reincorporated as Valve Corporation. In 2010, the office moved to a larger location in Bellevue. In 2016, Valve signed a nine-floor lease in the Lincoln Square complex in downtown Bellevue, doubling the size of its offices. Valve began developing ''
Half-Life 2 ''Half-Life 2'' is a 2004 first-person shooter game developed and published by Valve Corporation. It was published for Windows on Valve's digital distribution service, Steam. Like the original ''Half-Life'' (1998), ''Half-Life 2'' is played ent ...
'' six months after the release of the first ''Half-Life'', using its new in-house engine, Source. With advanced physics systems and an increased focus on story and characters, it received critical acclaim upon its release in 2004. By 2011, it had sold 12 million copies. In 2002, Valve launched
Steam Steam is water vapor, often mixed with air or an aerosol of liquid water droplets. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization. Saturated or superheated steam is inv ...
, a digital storefront and delivery platform. Steam initially offered only Valve games, and was mandatory to install ''Half-Life 2'', but became a publisher of third-party games. As Valve became its own publisher via Steam, it transitioned to a
flat organization A flat organization (or horizontal organization) is an organizational structure with few levels of management between staff and executives. An organizational structure refers to the nature of the distribution of the units and positions within it, ...
. Outside of executive management, Valve does not have bosses and uses an
open allocation Open allocation refers to a style of management in which employees are given a high degree of freedom in choosing what projects to work on, and how to allocate their time. They do not necessarily answer to a single manager, but to the company and ...
system, allowing employees to move between departments at will. After having taken five years to develop ''Half-Life 2'', Valve moved to episodic development, planning to release shorter games more frequently. '' Half-Life 2: Episode One'', the first in a planned trilogy of episodic ''Half-Life 2'' sequels, was released in 2006. '' Episode Two'' followed in 2007, alongside the multiplayer game ''
Team Fortress 2 ''Team Fortress 2'' (''TF2'') is a Multiplayer video game, multiplayer first-person shooter game developed and published by Valve Corporation in 2007. It is the sequel to the 1996 ''Team Fortress'' Mod (video gaming), mod for ''Quake (video g ...
'' and the puzzle game '' Portal'', developed from the student project '' Narbacular Drop''. In January 2008, Valve announced the acquisition of Turtle Rock Studios, which was renamed Valve South. Turtle Rock developed '' Left 4 Dead'' and '' Left 4 Dead 2'' while associated with Valve. Turtle Rock Studios spun out of Valve again in March 2010. ''
Forbes ''Forbes'' () is an American business magazine founded by B. C. Forbes in 1917. It has been owned by the Hong Kong–based investment group Integrated Whale Media Investments since 2014. Its chairman and editor-in-chief is Steve Forbes. The co ...
'' estimated that Valve had grossed $70 million in 2005.


Transition to services (2010–2014)

In 2009, Valve hired IceFrog, the developer of ''
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 ...
'', a ''
Warcraft III ''Warcraft III: Reign of Chaos'' is a high fantasy real-time strategy computer video game developed and published by Blizzard Entertainment released in July 2002. It is the second sequel to '' Warcraft: Orcs & Humans'', after '' Warcraft II: Ti ...
'' mod. IceFrog led the development of a sequel not associated with the ''Warcraft'' elements, ''
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 ...
'', released in 2013. Alongside ''Dota 2'' in 2011, Valve started the International, an annual
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 tournament for ''Dota 2'' with a prize pool supported by Valve and funds from microtransactions from
battle pass In the video game industry, a battle pass or rewards track is a type of monetization approach that provides additional content for a game usually through a tiered system, rewarding the player with in-game items for playing the game and complet ...
es purchased by players. Valve released '' Portal 2'' in April 2011. As with the original ''Portal'', Valve employed a Digipen student team to help develop it; the team behind '' Tag: The Power of Paint'' implemented the new gel gameplay. The
Screen Digest Screen Digest Ltd was a company providing business intelligence, research and analysis on the global media markets based in London, United Kingdom, that has grown out of a monthly journal of that name that was founded in 1971. It was acquired by t ...
analyst Ed Barton estimated Valve's 2010 revenue to be in the "high hundreds of millions of dollars". As of 2011, Valve had an estimated worth of $2 to 4 billion and employed 250 people; according to Newell, this made it more profitable per employee than
Google Google LLC (, ) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial ...
or
Apple An apple is a round, edible fruit produced by an apple tree (''Malus'' spp.). Fruit trees of the orchard or domestic apple (''Malus domestica''), the most widely grown in the genus, are agriculture, cultivated worldwide. The tree originated ...
. Most of Valve's revenue came from Steam, which controlled 50 to 70% of the market for downloaded PC games in 2011. By 2011, Valve had replaced episodic development with a platform-oriented approach, whereby games such as ''Left 4 Dead 2'' and ''Team Fortress 2'' were continually updated through Steam updates. In June 2012, Valve hired the economist
Yanis Varoufakis Ioannis Georgiou "Yanis" Varoufakis (; born 24 March 1961) is a Greek economist and politician. Since 2018, he has been Secretary-General of the Democracy in Europe Movement 2025 (DiEM25), a left-wing pan-European political party he co-founde ...
to study the online economies of their games. That December, Valve acquired Star Filled Studios, a two-person studio, to open a San Francisco office. Valve closed the office in August 2013 when they decided it had little benefit. At the 2013 D.I.C.E. Summit, Newell announced that he and the film director J. J. Abrams were collaborating to produce a ''Half-Life'' or ''Portal'' film, as well as a possible game. In the 2010s, Valve released fewer games and invested in hardware development. Newell intended to make Valve more like
Nintendo is a Japanese Multinational corporation, multinational video game company headquartered in Kyoto. It develops, publishes, and releases both video games and video game consoles. The history of Nintendo began when craftsman Fusajiro Yamauchi ...
, which develops games in tandem with hardware, allowing them to create innovative games such as ''
Super Mario 64 ''Super Mario 64'' is a platform game developed and published by Nintendo for the Nintendo 64. It was released in Japan and North America in 1996 and PAL regions in 1997. It is the first ''Super Mario'' game to feature 3D gameplay, combini ...
''. Valve initially focused on
augmented reality Augmented reality (AR), also known as mixed reality (MR), is a technology that overlays real-time 3D computer graphics, 3D-rendered computer graphics onto a portion of the real world through a display, such as a handheld device or head-mounted ...
, but in 2013 Newell laid off many staff to focus on
virtual reality Virtual reality (VR) is a Simulation, simulated experience that employs 3D near-eye displays and pose tracking to give the user an immersive feel of a virtual world. Applications of virtual reality include entertainment (particularly video gam ...
(VR). In 2015, Valve released the Steam Machine, a line of
gaming computer A gaming computer, also known as a gaming PC, is a specialized personal computer designed for playing PC games at high standards. They typically differ from mainstream personal computers by using high-performance graphics cards, a high core-co ...
s, which sold poorly. Media commentators speculated that Valve's transition to service provider with Steam, which generated an estimated $3.4 billion in 2017, had driven it away from game development. Valve canceled games including numerous ''Half-Life'' projects (including '' Episode Three''), ''Left 4 Dead 3'', a Soulslike game, and a
voxel In computing, a voxel is a representation of a value on a three-dimensional regular grid, akin to the two-dimensional pixel. Voxels are frequently used in the Data visualization, visualization and analysis of medical imaging, medical and scient ...
-based game, ''A.R.T.I''. Additional VR projects included ''SimTrek'', developed by members of the ''
Kerbal Space Program ''Kerbal Space Program'' is a 2015 Space flight simulation game, space flight simulation video game developed by Mexican studio Squad for Linux, macOS, Windows, PlayStation 4, PlayStation 5, Xbox Series X/S and Xbox One. In the game, players dir ...
'' development team, and a new VR device, Vader, that was determined to be too costly for consumers. According to the designer Robin Walker, the abundance of projects that failed to gain traction, with no shared vision, damaged morale. Many players grew frustrated in anticipation of a new ''Half-Life'' game.


Source 2, virtual reality and ''Half-Life: Alyx'' (2015–present)

Valve announced the Source 2 engine in March 2015, and ported ''Dota 2'' to Source 2 in September. That year, Valve collaborated with the electronics company HTC to develop the
HTC Vive HTC Vive is a line of Virtual reality, virtual and mixed reality Virtual reality headset, headsets produced by HTC, HTC Corporation. The brand currently encompasses headsets designed for use with Personal computer, personal computers as well a ...
, a VR headset released in 2016. Valve experimented with VR games, and in 2016 released '' The Lab'', a collection of VR minigames. Valve recognized that many players wanted a more ambitious VR
AAA game AAA, Triple A, or Triple-A is a three-letter initialism or abbreviation which may refer to: Arts, entertainment, and media Gaming * AAA (video game industry) - a category of high budget video games *'' TripleA'', an open source wargame M ...
, and began exploring the development of a major VR game. They developed several prototypes, with three further VR projects under development by 2017. Finding that the portal systems of their puzzle series '' Portal'' were disorienting in VR, they settled on ''Half-Life''. Walker said that ''Half-Life 3'' had been a "terrifyingly daunting prospect", and the team saw VR as a way to return to the series. Full development of a VR ''Half-Life'' game started around late 2016, with the largest team in Valve's history. Valve acquired the 3D audio software developer Impulsonic in January 2017. In April 2018, Valve acquired the independent developer Campo Santo, known for the 2016 adventure game ''
Firewatch ''Firewatch'' is an adventure game developed by Campo Santo (company), Campo Santo and published by the developer in partnership with Panic Inc., Panic. The game was released in February 2016 for Linux, OS X, PlayStation 4, Windows, and Xbox ...
''. Campo Santo planned to develop its own games under Valve, though they initially helped develop ''Half-Life: Alyx''. In November 2018, Valve released '' Artifact'', a digital collectible card game based on ''Dota 2'', with design by Richard Garfield, the creator of '' Magic: The Gathering''. ''Artifact'' had unusual pay-for mechanics to acquire new cards, and did not draw a large playerbase, losing 95% of players months after release. In April 2021, Valve abandoned efforts to reboot the project, saying they had not found enough interested players to justify development. In June 2019, Valve released its second-generation VR hardware, the Valve Index. They also released ''
Dota Underlords ''Dota Underlords'' is a 2020 auto battler game developed and published by Valve. The game is based on a popular ''Dota 2'' community-created game mode called '' Dota Auto Chess'', which was released in January 2019. ''Dota Underlords'' first re ...
'' into early access, an auto battler based on a ''Dota 2'' community-created mode '' Dota Auto Chess''. In March 2020, Valve released '' Half-Life: Alyx'', a VR game. It received acclaim and was described as VR's first
killer app A killer application (often shortened to killer app) is any software that is so necessary or desirable that it proves the core value of some larger technology, such as its host computer hardware, video game console, software platform, or operati ...
. Newell said in January 2021 that the success of ''Alyx'' created desire within the company to develop more games, and that several were under development. Valve collaborated with
Netflix Netflix is an American subscription video on-demand over-the-top streaming service. The service primarily distributes original and acquired films and television shows from various genres, and it is available internationally in multiple lang ...
for '' Dota: Dragon's Blood'', an animated television series based on ''
Dota ''Dota'' is a series of strategy video games. The series began in 2003 with the release of ''Defense of the Ancients'' (''DotA''), a fan-developed multiplayer online battle arena (MOBA) custom map for the video game ''Warcraft III: Reign of Ch ...
'', which premiered in March 2021. In February 2022, Valve released the Steam Deck, a portable game system that runs on SteamOS. In September 2023, Valve released ''
Counter-Strike 2 ''Counter-Strike 2'' is a 2023 free-to-play Tactical shooter, tactical first-person shooter video game, game developed and published by Valve Corporation, Valve. It is the fifth entry in the ''Counter-Strike'' series, developed as an updated v ...
''. It received generally favorable reviews, but player reception was mixed. In 2024, Valve began beta-testing a new multiplayer game, '' Deadlock'', a combination of a hero shooter and MOBA. In September, staff members from Hopoo Games, developers of '' Risk of Rain'', announced that they had been employed at Valve. According to a report by ''Forbes Australia'' published in December 2024, Valve had an annual revenue of $5 billion by 2023, with a 40% profit margin. Steam accounted for around 60% of this revenue, double that of 2019.


Structure

Initially, Valve used a hierarchical structure more typical of other development firms, driven by the nature of physical game releases through publishers that required tasks to be completed by deadlines. However, as Valve became its own publisher via Steam, it found the hierarchical structure was hindering progress. After completing ''Half-Life 2'', Valve transitioned to a
flat organization A flat organization (or horizontal organization) is an organizational structure with few levels of management between staff and executives. An organizational structure refers to the nature of the distribution of the units and positions within it, ...
; outside of executive management, Valve does not have bosses, and uses an
open allocation Open allocation refers to a style of management in which employees are given a high degree of freedom in choosing what projects to work on, and how to allocate their time. They do not necessarily answer to a single manager, but to the company and ...
system. Valve's marketing manager, Doug Lombardi, said: "Nobody writes a design doc and hands it to somebody and says, 'you go build this'. It's the teams that are coming up with the ideas and pushing in the directions that they want to take the product." This approach allows employees to work on whatever interests them, but requires them to take ownership of their product and mistakes they may make, according to Newell. Newell recognized that this structure works well for some but that "there are plenty of great developers for whom this is a terrible place to work". Following the difficult development of ''Half-Life 2'', Newell said he became "obsessed" with improving Valve's work-life balance. Although Valve has no bosses, some employees hold more influence due to seniority or relationships. De facto project leads became "centralized conduits" for organization and sharing information, and decisions are made collectively. Valve uses a process named Overwatch to gather feedback from senior members, which teams may use or ignore. The success of Steam means that Valve is not dependent on the success of its games. The lack of organization structure has led to project cancellations, as it can be difficult to convince other employees to work on them. In 2020, Valve acknowledged that this made it difficult to gather momentum and had slowed their output during the 2010s. Their VR projects and ''Half-Life: Alyx'' became a turning point, setting short-term studio-wide goals to focus the company. According to Walker, "We sort of had to collectively admit we were wrong on the premise that you will be happiest if you work on something you personally want to work on the most." In January 2023, '' People Make Games'' released a report on Valve's corporate structure and culture, based on interviews with several current and former employees. They found that Valve's flat structure and stack-ranking compensation system created a poor release record and a lack of employee diversity. In 2024, ''Forbes'' estimated that Newell owned 50.1% of Valve, with the rest owned by employees. As part of Wolfire Games' lawsuit over Steam policies, case documents revealed details related to Valve's employee structure. Starting with 60 employees in 2003, Valve grew to around 350 employees around 2012 and remained around this number through 2021. Up through 2010, the employees were categorized in three areas, administration, game development, and Steam development; in 2011, a hardware development category was added.


Valve time

Valve time is an industry term used jokingly with game releases from Valve, used to acknowledge the difference between the "promised" date for released content stated by Valve and to the "actual" release date; "Valve Time" includes delays but also includes some content that was released earlier than expected. Valve has acknowledged the term, including tracking known discrepancies between ideal and actual releases on their public development wiki and using it in announcements about such delays. Valve ascribes delays to their mentality of team-driven initiatives over corporate deadlines.


Playtesting

Valve
playtest A playtest is the process by which a game designer tests a new game for bugs and design flaws before releasing it to market. Playtests can be run "open", "closed", "beta", or otherwise, and are very common with board games, collectible card games, ...
s its games extensively from the beginning of development, and iterates based on the results. Its website states: "We believe that all game designers are, in a sense, experimental psychologists." The Valve writer Chet Faliszek said he initially blamed testers when they failed to engage with designs as expected, but changed his mind when multiple testers had the same problem: "By the third or fourth time, all of a sudden you're realizing, 'I'm an idiot. This is pretty obvious this doesn't work. It's not their fault, it's our fault.'" He gave an example from the development of ''Left 4 Dead'', wherein a
texture Texture may refer to: Science and technology * Image texture, the spatial arrangement of color or intensities in an image * Surface texture, the smoothness, roughness, or bumpiness of the surface of an object * Texture (roads), road surface c ...
change caused every tester to miss a ladder and become stuck. Walker said playtesting helped Valve maximize the experience for players. For example, when something exciting occurs by chance during a playtest, the developers attempt to have it occur for every player.Bramwell, Tom (September 8, 2007). "Opening the Valve". ''
Eurogamer ''Eurogamer'' is a British video game journalism website launched in 1999 alongside parent company Gamer Network. In 2008, it started in the formerly eponymous trade fair EGX (Eurogamer Expo until 2013) organised by its parent company. Fr ...
''. Retrieved December 15, 2023.
Newell contrasted this approach to that of Warren Spector, whose open-ended games are designed to be replayed with different outcomes: "You spend all of this time to build stuff that most players will never ever ever see ... If only one per cent of your customers see this cool thing that takes five per cent of your development budget, that's not a good use of resources."


Engines


GoldSrc

The first game engine Valve developed is GoldSrc, a modified version of the ''Quake'' engine by
id Software id Software LLC () is an American video game developer based in Richardson, Texas. It was founded on February 1, 1991, by four members of the computer company Softdisk: game programmer, programmers John Carmack and John Romero, game designer T ...
. It was first used with Half-Life on November 19, 1998. All Valve games that released in the period before the release of their next engine, the Source engine, used GoldSrc, with examples being Half-Life, Counter-Strike, Ricochet, and others.


Source

Valve's second engine is the Source engine. The Source engine was proprietary and completely built from the ground up, not derivative of their original GoldSrc engine. It was first used in Half-Life: Source on November 1st, 2004, which was met with critical reviews. Only weeks later on November 16, 2004 however, Half-Life 2 was released, which was the main showcase of the capabilities of the Source engine, with the biggest improvements being the graphical fidelity for the time and the advanced physics engine. Examples of games created in the Source engine include
Half-Life 2 ''Half-Life 2'' is a 2004 first-person shooter game developed and published by Valve Corporation. It was published for Windows on Valve's digital distribution service, Steam. Like the original ''Half-Life'' (1998), ''Half-Life 2'' is played ent ...
and it's
episodes Episodes may refer to: * Episode, a part of a dramatic work * Episodes (TV series), ''Episodes'' (TV series), a British/American television sitcom which premiered in 2011 * Episodes (journal), ''Episodes'' (journal), a geological science journal ...
, Portal 1 & 2, Left 4 Dead 1 and Left 4 Dead 2, Counter-Strike: Global Offensive (defunct, now
Counter-Strike 2 ''Counter-Strike 2'' is a 2023 free-to-play Tactical shooter, tactical first-person shooter video game, game developed and published by Valve Corporation, Valve. It is the fifth entry in the ''Counter-Strike'' series, developed as an updated v ...
on Source 2),
Team Fortress 2 ''Team Fortress 2'' (''TF2'') is a Multiplayer video game, multiplayer first-person shooter game developed and published by Valve Corporation in 2007. It is the sequel to the 1996 ''Team Fortress'' Mod (video gaming), mod for ''Quake (video g ...
, and
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 ...
, which was originally on Source, but was updated to Source 2 in 2015.


Source 2

The latest proprietary game engine from Valve is Source 2, released in June 2015 with
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 ...
updated to the engine. It is an updated version of the original Source engine, with improvements in physics, lighting, AI, and more. Source 2 also notably supports Virtual Reality (VR), which was used for their tech demo The Lab in 2016 and the latest entry in the Half-Life series, Half-Life: Alyx. Examples of games in Source 2 are Half-Life: Alyx,
Counter-Strike 2 ''Counter-Strike 2'' is a 2023 free-to-play Tactical shooter, tactical first-person shooter video game, game developed and published by Valve Corporation, Valve. It is the fifth entry in the ''Counter-Strike'' series, developed as an updated v ...
,
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 ...
, and the free Steam Deck
tech demo A technology demonstration (or tech demo), also known as demonstrator model, is a prototype, rough example or otherwise incomplete version of a conceivable product or future system, put together as proof of concept with the primary purpose of sho ...
Aperture Desk Job.


Products


Games

Valve is the main developer and publisher of the single-player ''
Half-Life Half-life is a mathematical and scientific description of exponential or gradual decay. Half-life, half life or halflife may also refer to: Film * Half-Life (film), ''Half-Life'' (film), a 2008 independent film by Jennifer Phang * ''Half Life: ...
'' and '' Portal'' games and the multiplayer games ''
Counter-Strike ''Counter-Strike'' (''CS'') is a series of multiplayer tactical first-person shooter video games, in which opposing teams attempt to complete various objectives. The series began on Windows in 1999 with the release of the first game, '' Counte ...
'', ''
Team Fortress 2 ''Team Fortress 2'' (''TF2'') is a Multiplayer video game, multiplayer first-person shooter game developed and published by Valve Corporation in 2007. It is the sequel to the 1996 ''Team Fortress'' Mod (video gaming), mod for ''Quake (video g ...
'', ''
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 ...
'', '' Day of Defeat'', and '' Artifact''. Valve also published the multiplayer game '' Left 4 Dead'' and developed and published '' Left 4 Dead 2''. Unreleased and canceled Valve games include the fantasy
role-playing game A role-playing game (sometimes spelled roleplaying game, or abbreviated as RPG) is a game in which players assume the roles of player character, characters in a fictional Setting (narrative), setting. Players take responsibility for acting out ...
''Prospero'' and numerous ''Half-Life'' projects, including '' Episode Three''. Valve worked with
Arkane Studios Arkane Studios SASU is a French video game developer based in Lyon. It was founded in 1999, and released its first game, ''Arx Fatalis'', in 2002. The studio has created the popular Dishonored (series), ''Dishonored'' series as well as developi ...
on '' The Crossing'', which was canceled in May 2009.


Steam

Valve announced Steam, its
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 ...
service, at the 2002
Game Developers Conference The Game Developers Conference (GDC) is an annual conference for video game developers. The event includes an expo, networking events, and awards shows like the Game Developers Choice Award for Game of the Year, Game Developers Choice Awards and ...
. It was launched in September 2003 and was first used to deliver patches and other updates to Valve's online games. On August 1, 2012, Valve announced revisions to the Steam Subscriber Agreement (SSA) to prohibit
class action A class action is a form of lawsuit. Class Action may also refer to: * ''Class Action'' (film), 1991, starring Gene Hackman and Mary Elizabeth Mastrantonio * Class Action (band), a garage house band * "Class Action" (''Teenage Robot''), a 2002 e ...
lawsuit A lawsuit is a proceeding by one or more parties (the plaintiff or claimant) against one or more parties (the defendant) in a civil court of law. The archaic term "suit in law" is found in only a small number of laws still in effect today ...
s by users against the service provider. By July 2014, there were over 3,400 games available on Steam, with over 150 million registered accounts by January 2018. Alongside these changes to the SSA, the company also declared publicly the incorporation of Valve S.a.r.l., a subsidiary based in
Luxembourg Luxembourg, officially the Grand Duchy of Luxembourg, is a landlocked country in Western Europe. It is bordered by Belgium to the west and north, Germany to the east, and France on the south. Its capital and most populous city, Luxembour ...
. Valve set up a physical office in Kirchberg, Luxembourg. According to Valve's project manager Mike Dunkle, the location was chosen for eCommerce capabilities and infrastructure, talent acquisition, tax advantages and central geographic location – most major partners are accessible, 50% within driving distance. Valve S.a.r.l. was used to sell games to UK users to avoid paying the full 20%
value-added tax A value-added tax (VAT or goods and services tax (GST), general consumption tax (GCT)) is a consumption tax that is levied on the value added at each stage of a product's production and distribution. VAT is similar to, and is often compared wi ...
(VAT). The tax loophole was expected to close on January 1, 2015. In December 2015, the French consumer group UFC Que Choisir initiated a lawsuit against Valve for several of their Steam policies that conflict or run afoul of French law. One of the reasons was for using the tax loophole. Valve S.a.r.l. ceased business on January 1, 2017, with the main company taking over EU sales again. In August 2017, Valve announced that Steam had reached over 67 million monthly and 33 million daily active users on the platform.


Steam Machine

Newell has been critical of the direction that Microsoft has taken with making Windows a closed architecture similar to Apple's products, and has stated that he believes that the changes made in Windows 8 are "a catastrophe for everyone in the ersonal computerspace". Newell identified the open-source Linux platform as an ideal platform for Steam and said the only thing holding back its adoption is the lack of games. In 2012, Valve announced that they were working on a console-PC hybrid for the living room, dubbed by media as the "Steam Box". A precursor to such a unit is SteamOS, a freely available Linux-based operating system that builds upon the Steam client functionality that includes media services, live streaming across home networks, game sharing within families, and parental controls. SteamOS was officially announced in September 2013 as the first of several announcements related to the Steam Machine platform as well as their unique game controller. In May 2014, Valve announced that the company's own SteamOS-powered Steam Machine would be delayed until 2015 due to problems with the game controller. In 2015, Alienware, ZOTAC, and CyberPowerPC launched their versions of the Steam Machine. By June 2016, fewer than half a million had been sold. While the Steam Machine line has been effectively canceled, Valve continued to manufacture and sell Steam Controllers until late November 2019, and publishes both mobile apps and software for the Steam Link, allowing in-home streaming.


Valve Index and virtual reality

At the
Game Developers Conference The Game Developers Conference (GDC) is an annual conference for video game developers. The event includes an expo, networking events, and awards shows like the Game Developers Choice Award for Game of the Year, Game Developers Choice Awards and ...
in March 2015, Valve and Taiwanese electronics company HTC unveiled SteamVR and the
HTC Vive HTC Vive is a line of Virtual reality, virtual and mixed reality Virtual reality headset, headsets produced by HTC, HTC Corporation. The brand currently encompasses headsets designed for use with Personal computer, personal computers as well a ...
—a
virtual reality Virtual reality (VR) is a Simulation, simulated experience that employs 3D near-eye displays and pose tracking to give the user an immersive feel of a virtual world. Applications of virtual reality include entertainment (particularly video gam ...
platform and a
virtual reality headset A virtual reality headset (or VR headset) is a Head-mounted display, head-mounted device that uses 3D near-eye displays and positional tracking to provide a virtual reality environment for the user. VR headsets are widely used with Virtual reali ...
. The platform would be distinguished by its "Lighthouse" motion tracking system, where sensors on the headset and its included
motion controller In computing, a motion controller is a type of input device that uses accelerometers, gyroscopes, Image sensor, cameras, or other sensors to Motion capture, track motion. Motion controllers see use as game controllers, for virtual reality and ot ...
s read the position of two base station devices mounted in the play area. This would allow for "room-scale" VR experiences, where the player would not be required to remain in a stationary position in front of a camera and would be able to freely walk around the space. In November 2017, Microsoft added beta support for the SteamVR service for Windows Mixed Reality headsets. In June 2019, Valve released their own VR headset, known as the Valve Index, positioned as a higher-end device with wider
field of view The field of view (FOV) is the angle, angular extent of the observable world that is visual perception, seen at any given moment. In the case of optical instruments or sensors, it is a solid angle through which a detector is sensitive to elec ...
and higher refresh rate. They were accompanied by updated motion controllers, which are strapped against the user's palms and have sensors for detecting input pressure and individual fingers.


Steam Deck

Announced in July 2021, the Steam Deck is a hybrid game console similar to the
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 ...
. It is primarily a handheld device that supports playing of Steam games, but through a separate dock unit, the console can output to an external monitor and use external power, networking, and USB accessories connected to the dock. The hardware is based on customized AMD Zen 2 and RDNA 2 chipsets. Units started shipping in February 2022.


Other projects


PowerPlay

PowerPlay was a technological initiative headed by Valve and
Cisco Systems Cisco Systems, Inc. (using the trademark Cisco) is an American multinational corporation, multinational digital communications technology conglomerate (company), conglomerate corporation headquartered in San Jose, California. Cisco develops, m ...
to decrease the latency for online games, announced in January 2000. It was described as a set of protocols and deployment standards at the router level to improve performance. It was claimed that a player with 1000 ms ping was able to play against another player on a LAN connection with no noticeable disadvantage. Initially the protocol was to be released with PowerPlay 1.0 focusing on
quality of service Quality of service (QoS) is the description or measurement of the overall performance of a service, such as a telephony or computer network, or a cloud computing service, particularly the performance seen by the users of the network. To quantitat ...
(QoS) and later a revision, PowerPlay 2.0 that would focus on functionality. Cisco and Valve intended to deliver a single dial-up service in Q1 2000 in the United States with a 30-day free trial with a bundled copy of '' Team Fortress'' modified to support PowerPlay. The standard was to involve purchasing PowerPlay approved Cisco hardware and infrastructure that had adequate bandwidth and QoS standards that prioritize PowerPlay gaming packets at all others' expense. Newell conceded that
Internet service provider An Internet service provider (ISP) is an organization that provides a myriad of services related to accessing, using, managing, or participating in the Internet. ISPs can be organized in various forms, such as commercial, community-owned, no ...
s (ISPs) would bear the brunt of this expense: "The ISPs are going to need to spend a fair amount of money to be compliant with PowerPlay. But how they get that back is up to them. Some will have a tiered service, and some will just try to recoup their investment through reduced customer churn and customer acquisition." Despite never deploying the dial-up plan featuring PowerPlay 1.0, Valve announced in January 2001 that the standard had indeed been finalized. 12 months after its announcement, PowerPlay was abandoned.


Pipeline

In July 2013, Valve announced Pipeline, an
intern An internship is a period of work experience offered by an organization for a limited period of time. Once confined to medical graduates, internship is used to practice for a wide range of placements in businesses, non-profit organizations and g ...
project consisting of ten high school students working together to learn how to create video game content. Pipeline serves to discuss and answer questions that teenagers often ask about the video game industry, and see if it is possible to train a group of teenagers with minimal work experience to work for a company like Valve. The latter purpose breaks Valve's tradition of employing experienced developers, as the company is not good at "teaching people straight out of school".


Legal disputes


''Valve Corporation v. Vivendi Universal Games''

Between 2002 and 2005, Valve was involved in a complex legal dispute with its publisher, Vivendi Universal Games (under Vivendi's brand
Sierra Entertainment Sierra Entertainment, Inc. (formerly On-Line Systems and Sierra On-Line, Inc.) was an American video game developer and Video game publisher, publisher founded in 1979 by Ken Williams (game developer), Ken and Roberta Williams. The company is ...
). Valve had entered into a publishing agreement with Sierra to release ''Half-Life'' and subsequent games in 1997, with the contract giving Sierra some
intellectual property Intellectual property (IP) is a category of property that includes intangible creations of the human intellect. There are many types of intellectual property, and some countries recognize more than others. The best-known types are patents, co ...
(IP) rights to Valve's games. After Valve began development of ''Half-Life 2'', it agreed a new contract with Sierra in 2001, removing these rights from Sierra and giving Valve some rights for digital distribution. Internally, Valve started work on Steam as a means to digitally distribute these games, and first revealed this project at the March 2002
Game Developers Conference The Game Developers Conference (GDC) is an annual conference for video game developers. The event includes an expo, networking events, and awards shows like the Game Developers Choice Award for Game of the Year, Game Developers Choice Awards and ...
. By August 2002, Valve had found that Sierra was distributing copies of their games to
Internet cafe The Internet (or internet) is the Global network, global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a internetworking, network of networks ...
s against the terms of their contracts and filed a lawsuit against Sierra and Vivendi. In addition to claims of
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 ...
, Valve asserted that Sierra breached contract by withholding royalties and delaying the release of '' Counter-Strike: Condition Zero'' until after the holiday season. Vivendi and Sierra countersued, stating that Valve had misrepresented their position in the revised 2001 contract since they had been working on Steam at that point as a means to circumvent the publishing agreement. Vivendi sought
intellectual property Intellectual property (IP) is a category of property that includes intangible creations of the human intellect. There are many types of intellectual property, and some countries recognize more than others. The best-known types are patents, co ...
rights to ''Half-Life'' and a ruling preventing Valve from using Steam to distribute ''Half-Life 2''. On November 29, 2004, Judge Thomas Samuel Zilly of the U.S. District Court for the Western District of Washington ruled in favor of Valve. The ruling stated that Vivendi Universal and its affiliates (including Sierra) were not authorized to distribute Valve games, either directly or indirectly, through cyber cafés to end users for pay-to-play activities pursuant to the parties' publishing agreement. In addition, Judge Zilly ruled that Valve could recover copyright damages for infringements without regard to the publishing agreement's limitation of liability clause. Valve posted on the Steam website that the companies had come to a settlement in court on April 29, 2005.
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 ...
announced on July 18, 2005, that they would partner with Valve in a multi-year deal to distribute their games, replacing Vivendi Universal. As a result of the trial, the arbitrator also awarded Valve $2,391,932.


''Valve Corporation v. Activision Blizzard''

In April 2009, Valve sued
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 ...
, which acquired
Sierra Entertainment Sierra Entertainment, Inc. (formerly On-Line Systems and Sierra On-Line, Inc.) was an American video game developer and Video game publisher, publisher founded in 1979 by Ken Williams (game developer), Ken and Roberta Williams. The company is ...
after a merger with its parent company, Vivendi Universal Games. Activision had allegedly refused to honor the ''Valve v. Vivendi'' arbitration agreement. Activision had only paid Valve $1,967,796 of the $2,391,932 award, refusing to pay the remaining $424,136, claiming it had overpaid that sum in the past years.


''Dota'' intellectual property ownership

''
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 ...
'' (DotA) was a landmark mod first released in 2003 that created the basis of the genre of
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 ...
(MOBA). It was originally developed by Kyle Sommer (who goes by the alias ''Eul'') within
Blizzard Entertainment Blizzard Entertainment, Inc. is an American video game developer and Video game publisher, publisher based in Irvine, California, and a subsidiary of Activision Blizzard. Originally founded in 1991, the company is best known for producing the h ...
's '' Warcraft III: Reign of Chaos'' via its world editor, and spawned several similar efforts, notably ''DotA-Allstars''. While there had been several that contributed to ''DotA-Allstars'', the project was managed primarily by Steve "Guinsoo" Feak, and later by " IceFrog". IceFrog was eventually hired by Valve in 2009, with the rights to the ''DotA''
intellectual property Intellectual property (IP) is a category of property that includes intangible creations of the human intellect. There are many types of intellectual property, and some countries recognize more than others. The best-known types are patents, co ...
being sold to Valve the following year. Eul was also hired into Valve by 2010. Valve then subsequently filed
trademark A trademark (also written trade mark or trade-mark) is a form of intellectual property that consists of a word, phrase, symbol, design, or a combination that identifies a Good (economics and accounting), product or Service (economics), service f ...
s towards a sequel to ''DotA'', titled ''
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, a group of former contributors to the ''DotA-Allstars'' project, filed an opposing trademark in August 2010 to contest Valve's claim it owned the property rights. DotA-Allstars, LLC was eventually acquired by Blizzard to start development of ''Blizzard All-Stars''. Blizzard took over the trademark challenge. The United States Patent & Trademark Office initially ruled in Valve's favor. By this point,
Riot Games Riot Games, Inc. is an American video game developer, publisher, and esports tournament organizer based in Los Angeles. It was founded in September 2006 by Brandon Beck and Marc Merrill to develop ''League of Legends'' and went on to develop ...
had hired Guinsoo to help develop their own MOBA, ''
League of Legends ''League of Legends'' (''LoL'', commonly referred to as ''League'', is a multiplayer online battle arena video game developed and published by Riot Games. Inspired by ''Defense of the Ancients'', a Mod (video games), custom map for ''Warcraf ...
''. As with IceFrog, Feak transferred his rights to the ''Dota'' property to Riot, who in turn sold those to Blizzard. Blizzard filed a lawsuit against Valve to challenge Valve's ownership, pitting the rights assigned through IceFrog to Guinsoo at odds. The case ''Blizzard Entertainment v. Valve Corporation'' was settled out of court in May 2012; Valve retained the right to use ''Dota'' commercially, while Blizzard reserved the right for fans to use ''Dota'' non-commercially. Blizzard changed the names of its own projects to remove the ''Dota'' term, and renamed ''Blizzard All-Stars'' as ''
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 ...
''. Valve's ''Dota 2'' was released in 2013. In 2014, mobile developers Lilith and released their games ''Dota Legends'' and ''Heroes Charge'', respectively. Both were influenced by ''Dota'' and the sequels. In 2017, Valve and Blizzard took joint action against these companies, citing copyright issues related to the ''Dota'' names. argued that the ''Dota'' games were a
collective work A collective work is a work that contains the works of several authors assembled and published under the direction of one natural or legal person who owns the copyright in the work as a whole. Definitions vary considerably from one country to ...
and could not be copyrighted by anyone in particular, but the presiding judge, Charles R. Breyer, felt that, due to the trio's actions as maintainers of the ''Dota'' mods, they had a rightful copyright claim to this. Separately, Lilith and argued that Eul had, in a forum post from September 2004, assigned an open-source copyright license to ''Dota'', which would make Valve and Blizzard's copyright claims void. The case was later heard by a jury.


''ACCC v. Valve Corporation''

The
Australian Competition & Consumer Commission The Australian Competition and Consumer Commission (ACCC) is the chief competition regulator of the Government of Australia, located within the Department of the Treasury. It was established in 1995 with the amalgamation of the Australian Tra ...
(ACCC) announced it was taking action against Valve in 2014. On March 29, 2016, Valve was found guilty of breaching Australian consumer law because: * Valve claimed consumers were not entitled to a refund for digitally downloaded games purchased from Valve via the Steam website or Steam Client (in any circumstances); * Valve had excluded statutory guarantees and/or warranties that goods would be of acceptable quality; and * Valve had restricted or modified statutory guarantees and/or warranties of acceptable quality. During the prosecution of this case, Valve implemented a refund policy for Steam purchases, but the case still reviewed Valve's actions prior to the onset of the lawsuit. The court overseeing the case sided with the ACCC in assigning a (about ) fine against Valve in December 2016, as well as requiring Valve to inform Australian consumers of their rights when purchasing games from Steam. Valve appealed the court's determination that it "engaged in misleading or deceptive conduct and made false or misleading representations about consumer guarantees", as well as seeking to appeal the fine, but the Australian higher courts rejected the appeals in December 2017. In January 2018, Valve filed for a "special leave" of the court's decision, appealing to the
High Court of Australia The High Court of Australia is the apex court of the Australian legal system. It exercises original and appellate jurisdiction on matters specified in the Constitution of Australia and supplementary legislation. The High Court was establi ...
. The High Court dismissed this claim in April 2018, asserting that Valve still was liable under Australian law since it sold products directly to its citizens.


''UFC Que Choisir v. Valve Corporation''

Consumer rights group UFC Que Choisir, based in France, filed a lawsuit against Valve in December 2015, claiming users should be able to resell their software. The High Court of Paris ruled in favor of UFC Que Choisir in September 2019, stating that Valve must allow the resale of Steam games. Valve stated it will appeal the decision.


Skins gambling

Valve was named as a defendant in two lawsuits in June and July 2016 related to third-party gambling sites that use the Steamworks API to allow betting with the virtual currency of cosmetic weapon replacement textures, better known as "skins", from '' Counter-Strike: Global Offensive'', which through these sites can be converted from or to real-world money. Both suits assert Valve aiding in underaged
gambling Gambling (also known as betting or gaming) is the wagering of something of Value (economics), value ("the stakes") on a Event (probability theory), random event with the intent of winning something else of value, where instances of strategy (ga ...
. Valve subsequently stated it has no commercial ties with these sites, and that it would demand these sites cease their use of the Steamworks API as they violate the authorized use policies. In October 2016, the Washington State Gambling Commission required Valve to stop the use of virtual skins for gambling on Steam, stating they would face legal repercussions if they failed to co-operate. On October 17, 2016, Valve sent a letter to the Washington State Gambling Commission stating that they had "no business relationship with such gambling sites", asserting that they come into existence, operate, and go out of existence without their knowledge and consent, adding that they were not aware of any such law that Steam or any of their games were violating.


Anti-competitive practices

In February 2017, the
European Commission The European Commission (EC) is the primary Executive (government), executive arm of the European Union (EU). It operates as a cabinet government, with a number of European Commissioner, members of the Commission (directorial system, informall ...
began investigating Valve and five other publishers—
Bandai Namco Entertainment is a Japanese multinational corporation, multinational video game video game publisher, publisher, and the video game branch of the wider Bandai Namco Holdings group. Founded in 2006 as it is the successor to Namco's home and arcade video game ...
,
Capcom is a Japanese video game company. It has created a number of critically acclaimed and List of best-selling video game franchises, multi-million-selling game franchises, with its most commercially successful being ''Resident Evil'', ''Monster ...
,
Focus Home Interactive Focus Entertainment (formerly Focus Home Interactive) is a French video game publisher based in Paris. It is a subsidiary of PulluP Entertainment Group. Founded in 1996, Focus has published and distributed original titles such as ''Sherlock Holm ...
,
Koch Media Plaion GmbH (formerly Koch Media) is an Austrian media company headquartered in Höfen, Tyrol, with an additional office in Planegg, Germany. It was founded in 1994 by Franz Koch and Klemens Kundratitz. The company operates video game publishi ...
and ZeniMax Media—for anti-competitive practices, specifically the use of geo-blocking through the Steam storefront and Steam product keys to prevent access to software to citizens of certain countries. Such practices would be against the Digital Single Market initiative by the European Union. While the other five companies named are in stages of settling with the EU as of August 2019, Valve has stated it plans to fight the charges, asserting that geo-blocking affects less than 3% of its games, and that it had turned off such geo-blocking within the EU in 2015. In January 2021, five gamers filed a proposed class-action
antitrust Competition law is the field of law that promotes or seeks to maintain market competition by regulating anti-competitive conduct by companies. Competition law is implemented through public and private enforcement. It is also known as antitrust l ...
lawsuit in California against Valve, alleging that the company "abuses the Steam platform's market power" by requiring game developers and publishers to enter into a '
most favored nation In international economic relations and international politics, most favoured nation (MFN) is a status or level of treatment accorded by one state to another in international trade. The term means the country which is the recipient of this treatme ...
' agreement with Valve, restricting their ability to sell games for less on other platforms and thereby preventing price competition. In May 2021, Wolfire Games filed a proposed class-action antitrust lawsuit against Valve, alleging that the company exerts
monopoly A monopoly (from Greek language, Greek and ) is a market in which one person or company is the only supplier of a particular good or service. A monopoly is characterized by a lack of economic Competition (economics), competition to produce ...
power over the PC gaming market and uses its "gatekeeper role" to "wield extreme power over publishers of PC Desktop Games" and to extract "an extraordinarily high cut from nearly every sale that passes through its store." Although a motion by Valve to dismiss the original lawsuit was granted in November 2021, Wolfire was allowed to file a revised complaint, and in May 2022 US District Court Judge John C. Coughenour ruled that that lawsuit could proceed, finding that Wolfire's allegations were "sufficient to plausibly allege unlawful conduct." Wolfire's suit was consolidated with a similar lawsuit from another developer. In November 2024, it was affirmed into a class-action lawsuit, with any developer affected by Valve's revenue cut able to be part of the class. In June 2024, Vicki Shotbolt, a children's digital rights activist, filed a lawsuit with the
Competition Appeal Tribunal The Competition Appeal Tribunal (CAT) of the United Kingdom was created by Section 12 and Schedule 2 to the Enterprise Act 2002, Enterprise Act 2002 which came into force on 1 April 2003. The Competition Service is an executive non-department ...
in the UK that accuses Valve of "rigging the market" for PC games, alleging that Valve used its market dominance to overcharge 14 million people in the UK and seeking damages of £22 to £44 per affected customer, or £656 million in total.


''Valve Corporation v. Zaiger, LLC''

In 2023, Valve sued a law firm, Zaiger, alleging that it attempted to extort settlements from Valve by threatening to bring numerous antitrust arbitration cases on behalf of Steam customers, a tactic referred to as "mass arbitration". Valve also brought suit against a litigation financier for Zaiger over the funding of a social media campaign to recruit Steam users as clients. Valve alleged that they improperly interfered with its contracts with Steam customers and abused the arbitration process by signing up clients with the intent of obtaining settlements slightly lower than the cost of arbitration filing fees, rather than arbitrating their claims. Valve said that it was targeted due to the terms of the Steam Subscriber Agreement, in which Valve would be responsible for the fees and costs associated with arbitration. The lawsuit was dismissed without prejudice by the US District Court for the Western District of Washington in 2024 due to
personal jurisdiction Personal jurisdiction is a court's jurisdiction over the ''parties'', as determined by the facts in evidence, which bind the parties to a lawsuit, as opposed to subject-matter jurisdiction, which is jurisdiction over the ''law'' involved in the ...
issues. In September 2024, Valve changed its Steam Subscriber Agreement to require disputes to proceed in court, with no option of arbitration.


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