Puzzle Fusion
   HOME

TheInfoList



OR:

A puzzle is a
game A game is a structured type of play usually undertaken for entertainment or fun, and sometimes used as an educational tool. Many games are also considered to be work (such as professional players of spectator sports or video games) or art ...
,
problem Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from simple personal tasks (e.g. how to turn on an appliance) to complex issues in business an ...
, or
toy A toy or plaything is an object that is used primarily to provide entertainment. Simple examples include toy blocks, board games, and dolls. Toys are often designed for use by children, although many are designed specifically for adults and p ...
that tests a person's ingenuity or
knowledge Knowledge is an Declarative knowledge, awareness of facts, a Knowledge by acquaintance, familiarity with individuals and situations, or a Procedural knowledge, practical skill. Knowledge of facts, also called propositional knowledge, is oft ...
. In a puzzle, the solver is expected to put pieces together ( or take them apart) in a logical way, in order to find the solution of the puzzle. There are different genres of puzzles, such as crossword puzzles, word-search puzzles, number puzzles, relational puzzles, and logic puzzles. The academic study of puzzles is called
enigmatology A puzzle is a game, problem, or toy that tests a person's ingenuity or knowledge. In a puzzle, the solver is expected to put pieces together ( or take them apart) in a logical way, in order to find the solution of the puzzle. There are different ...
. Puzzles are often created to be a form of entertainment but they can also arise from serious
mathematical Mathematics is a field of study that discovers and organizes methods, Mathematical theory, theories and theorems that are developed and Mathematical proof, proved for the needs of empirical sciences and mathematics itself. There are many ar ...
or
logical Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises based on the structure of arg ...
problems. In such cases, their solution may be a significant contribution to mathematical research.


Etymology

The ''
Oxford English Dictionary The ''Oxford English Dictionary'' (''OED'') is the principal historical dictionary of the English language, published by Oxford University Press (OUP), a University of Oxford publishing house. The dictionary, which published its first editio ...
'' dates the word ''puzzle'' (as a
verb A verb is a word that generally conveys an action (''bring'', ''read'', ''walk'', ''run'', ''learn''), an occurrence (''happen'', ''become''), or a state of being (''be'', ''exist'', ''stand''). In the usual description of English, the basic f ...
) to the 16th century. Its earliest use documented in the ''OED'' was in a book titled ''The Voyage of Robert Dudley...to the West Indies, 1594–95, narrated by Capt. Wyatt, by himself, and by Abram Kendall, master'' (published circa 1595). The word later came to be used as a
noun In grammar, a noun is a word that represents a concrete or abstract thing, like living creatures, places, actions, qualities, states of existence, and ideas. A noun may serve as an Object (grammar), object or Subject (grammar), subject within a p ...
, first as an
abstract noun In grammar, a noun is a word that represents a concrete or abstract thing, like living creatures, places, actions, qualities, states of existence, and ideas. A noun may serve as an object or subject within a phrase, clause, or sentence.Example ...
meaning 'the state or condition of being puzzled', and later developing the meaning of 'a perplexing problem'. The ''OED''s earliest clear citation in the sense of 'a toy that tests the player's ingenuity' is from Sir
Walter Scott Sir Walter Scott, 1st Baronet (15 August 1771 – 21 September 1832), was a Scottish novelist, poet and historian. Many of his works remain classics of European literature, European and Scottish literature, notably the novels ''Ivanhoe'' (18 ...
's 1814 novel '' Waverley'', referring to a toy known as a "reel in a bottle". The etymology of the verb ''puzzle'' is described by ''OED'' as "unknown"; unproven hypotheses regarding its origin include an Old English verb ''puslian'' meaning 'pick out', and a derivation of the verb ''pose''.


Categories

Puzzles can be categorized as: *
Lateral thinking puzzle Situation puzzles, often referred to as minute mysteries, lateral thinking puzzles or "yes/no" puzzles, are puzzles in which participants are to construct a story that the host has in mind, basing on a puzzling situation that is given at the sta ...
s, also called "situation puzzles" *
Mathematical puzzle Mathematical puzzles make up an integral part of recreational mathematics. They have specific rules, but they do not usually involve competition between two or more players. Instead, to solve such a puzzle, the solver must find a solution that sati ...
s include the
missing square puzzle The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures; or rather to teach them not to reason using figures, but to use only textual descriptions and the axioms of geometry. ...
and many impossible puzzles — puzzles which have no solution, such as the
Seven Bridges of Königsberg The Seven Bridges of Königsberg is a historically notable problem in mathematics. Its negative resolution by Leonhard Euler, in 1736, laid the foundations of graph theory and prefigured the idea of topology. The city of Königsberg in Prussia ...
, the
three cups problem The three cups problem, also known as the three cup challenge and other variants, is a mathematical puzzle that, in its most common form, cannot be solved. In the beginning position of the problem, one cup is upside-down and the other two are ri ...
, and
three utilities problem The three utilities problem, also known as water, gas and electricity, is a mathematical puzzle that asks for non-crossing connections to be drawn between three houses and three utility companies on a Plane (geometry), plane. When posing it in ...
**
Sangaku Sangaku or san gaku () are Japanese Euclidean geometry, geometrical problems or theorems on wooden tablets which were placed as offerings at Shinto shrines or Buddhist temples in Japan, Buddhist temples during the Edo period by members of all so ...
(Japanese temple tablets with geometry puzzles) *A
chess problem A chess problem, also called a chess composition, is a puzzle created by the composer using chess pieces on a chessboard, which presents the solver with a particular task. For instance, a position may be given with the instruction that White is t ...
is a puzzle that uses chess pieces on a chess board. Examples are the
knight's tour A knight's tour is a sequence of moves of a knight on a chessboard such that the knight visits every square exactly once. If the knight ends on a square that is one knight's move from the beginning square (so that it could tour the board again im ...
and the
eight queens puzzle The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other; thus, a solution requires that no two queens share the same row, column, or diagonal. There are 92 solutions. ...
. *
Mechanical puzzle A mechanical puzzle is a puzzle presented as a set of mechanically interlinked pieces in which the solution is to manipulate the whole object or parts of it. While puzzles of this type have been in use by humanity as early as the 3rd century BC ...
s or dexterity puzzles such as the Rubik's Cube and
Soma cube The Soma cube is a mechanical puzzle#Assembly, solid dissection puzzle invented by Danish polymath Piet Hein (scientist), Piet Hein in 1933 during a lecture on quantum mechanics conducted by Werner Heisenberg. Seven different Polycube, pieces ...
can be stimulating toys for children or recreational activities for adults. **
combination puzzle In mathematics, a combination is a selection of items from a set (mathematics), set that has distinct members, such that the order of selection does not matter (unlike permutations). For example, given three fruits, say an apple, an orange and a ...
s like
Peg solitaire Peg Solitaire, Solo Noble, Solo Goli, Marble Solitaire or simply Solitaire is a board game for one player involving movement of pegs on a board with holes. Some sets use marbles in a board with indentations. The game is known as solitaire in Bri ...
** construction puzzles such as
stick puzzle Stick, sticks or the stick may refer to: Thin elongated objects * Twig or branch * Walking stick, a device to facilitate balancing while walking * Shepherd's crook * Shillelagh * Swagger stick * Digging stick * Swizzle stick, used to stir drink ...
s **
disentanglement puzzle Disentanglement puzzles (also called entanglement puzzles, tanglement puzzles, tavern puzzles or topological puzzles) are a type or group of mechanical puzzle that involves disentangling one piece or set of pieces from another piece or set of pie ...
s, ** folding puzzles **
jigsaw puzzle A jigsaw puzzle (with context, sometimes just jigsaw or just puzzle) is a tiling puzzle that requires the assembly of often irregularly shaped interlocking and mosaicked pieces. Typically each piece has a portion of a picture, which is comple ...
s.
Puzz 3D ''Puzz 3D'' is the brand name of three-dimensional jigsaw puzzles, manufactured by Hasbro and formerly by Wrebbit, Inc. Unlike traditional puzzles which are composed of series of flat pieces that when put together, create a single unified image, ...
is a three-dimensional variant of this type. ** lock puzzles **A
puzzle box A puzzle box (also called a secret box or trick box) is a box that can be opened only by solving a puzzle. Some require only a simple move and others a series of discoveries. Modern puzzle boxes developed from furniture and jewelry boxes with ...
can be used to hide something —
jewelry Jewellery (or jewelry in American English) consists of decorative items worn for personal adornment such as brooches, ring (jewellery), rings, necklaces, earrings, pendants, bracelets, and cufflinks. Jewellery may be attached to the body or the ...
, for instance. **
sliding puzzle A sliding puzzle, sliding block puzzle, or sliding tile puzzle is a combination puzzle that challenges a player to slide (frequently flat) pieces along certain routes (usually on a board) to establish a certain end-configuration. The pieces to ...
s (also called sliding tile puzzles) such as the
15 Puzzle The 15 puzzle (also called Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square and more) is a sliding puzzle. It has 15 square tiles numbered 1 to 15 in a frame that is 4 tile positions high and 4 tile positions wide, with one unoccupied pos ...
and
Sokoban is a puzzle video game in which the player pushes boxes around in a warehouse, trying to get them to storage locations. The game was designed in 1981 by Hiroyuki Imabayashi and first published in Japan in 1982 by his company Thinking Rabbit for ...
**
tiling puzzle Tiling puzzles are puzzles involving two-dimensional packing problems in which a number of flat shapes have to be assembled into a larger given shape without overlaps (and often without gaps). Some tiling puzzles ask players to dissect a give ...
s like
Tangram The tangram () is a dissection puzzle consisting of seven flat polygons, called ''tans'', which are put together to form shapes. The objective is to replicate a pattern (given only an outline) generally found in a puzzle book using all seven pi ...
*
Metapuzzle A metapuzzle, also known as a meta-puzzle or meta, is a puzzle that uses the solutions to a set of puzzles to create or provide data for a final puzzle. Overview Game designer Cliff Johnson (game designer), Cliff Johnson defines a meta-puzzle a ...
s are puzzles which unite elements of other puzzles. * Paper-and-pencil puzzles such as ''
Uncle Art's Funland ''Uncle Art's Funland'' (also known as ''Funland'' and as ''Uncle Nugent's Funland'') is a long-running syndicated weekly puzzle and entertainment feature originated by Art Nugent (1891–1975). Featuring jokes, riddles, and paper-and-pencil wo ...
'',
connect the dots Connect the dots (also known as connect-the-dots, dot to dot, join the dots or follow the dots) is a form of puzzle containing a sequence of numbered dots. When a line is drawn connecting the dots the outline of an object is revealed. The puzz ...
, and
nonogram Nonograms, also known as Hanjie, Paint by Numbers, Griddlers, Pic-a-Pix, and Picross, are picture logic puzzles in which cells in a grid must be colored or left blank according to numbers at the edges of the grid to reveal a hidden picture. In ...
s **Also the
logic puzzle A logic puzzle is a puzzle deriving from the mathematics, mathematical field of deductive reasoning, deduction. History The logic puzzle was first produced by Charles Lutwidge Dodgson, who is better known under his pen name Lewis Carroll, the a ...
s published by Nikoli:
Sudoku Sudoku (; ; originally called Number Place) is a logic puzzle, logic-based, combinatorics, combinatorial number-placement puzzle. In classic Sudoku, the objective is to fill a 9 × 9 grid with digits so that each column, each row, and ...
,
Slitherlink Slitherlink (also known as Fences, Takegaki, Loop the Loop, Loopy, Ouroboros, Suriza, Rundweg and Dotty Dilemma) is a logic puzzle developed by publisher Nikoli (publisher), Nikoli. Rules Slitherlink is played on a rectangular Square lattice, la ...
,
Kakuro Kakuro or Kakkuro or Kakoro () is a kind of logic puzzle that is often referred to as a mathematical transliteration of the crossword. Kakuro puzzles are regular features in many math-and-logic puzzle publications across the world. In 1966, Cana ...
,
Fillomino Fillomino (フィルオミノ) is a type of logic puzzle initially published in the 1980's in Japan in the magazine ''Puzzle Communication Nikoli'', and since replicated by many publishers in different countries. Other published titles for the p ...
,
Hashiwokakero ''Hashiwokakero'' (橋をかけろ ''Hashi o kakero''; lit. "build bridges!") is a type of logic puzzle published by Nikoli. It has also been published in English under the name ''Bridges'' or ''Chopsticks'' (based on a mistranslation: the ''ha ...
,
Heyawake Heyawake (Japanese: へやわけ, "divided rooms") is a binary-determination logic puzzle published by Nikoli. As of 2013, five books consisting entirely of ''Heyawake'' puzzles have been published by Nikoli. It first appeared in ''Puzzle Communic ...
,
Hitori Hitori (Japanese: "Alone" or "one person"; ''Hitori ni shite kure''; literally "leave me alone") is a type of logic puzzle published by Nikoli. Hitori is NP complete.{{citation, title=Games, Puzzles, and Computation, title-link=Games, Puzzles ...
, Light Up,
Masyu is a type of logic puzzle designed and published by Nikoli. The purpose of its creation was to present a puzzle that uses no numbers or letters and yet retains depth and aesthetics. Rules ''Masyu'' is played on a rectangular grid of squares, ...
, Number Link, Nurikabe,
Ripple Effect A ripple effect occurs when an initial disturbance to a system propagates outward to disturb an increasingly larger portion of the system, like ripples expanding across the water when an object is dropped into it. The ripple effect is often use ...
,
Shikaku is a logic puzzle published by Nikoli (publisher), Nikoli. History The game was invented by Yoshiano Anpuku, a math student at the University of Kyoto, in 1989 and published by Japanese games magazine ''Nikoli (publisher), Nikoli'' under the na ...
, and
Kuromasu , abbreviated or , is a binary-determination logic puzzle published by Nikoli. A book consisting entirely of puzzles has been published by Nikoli. Rules is played on a rectangular grid. Some of these cells have numbers in them. Each cell ma ...
;
takuzu Takuzu, also known as Binairo, is a logic puzzle involving placement of two symbols, often 1s and 0s, on a rectangular grid. The objective is to fill the grid with 1s and 0s, where there is an equal number of 1s and 0s in each row and column and ...
. *
Spot the difference Spot the difference is a type of puzzle where players must find a set number of differences between two otherwise similar images. Description Spot the difference games are found in various media including activity books for children, newspap ...
*
Tour puzzle A tour puzzle is a puzzle in which the player travels around a board (usually but not necessarily two-dimensional) using a token which represents a character. Maze puzzles are often of this type. Sometimes the player has more than one token wit ...
s like a
maze A maze is a path or collection of paths, typically from an entrance to a goal. The word is used to refer both to branching tour puzzles through which the solver must find a route, and to simpler non-branching ("unicursal") patterns that lead ...
*
Word puzzles A word is a basic element of language that carries meaning, can be used on its own, and is uninterruptible. Despite the fact that language speakers often have an intuitive grasp of what a word is, there is no consensus among linguists on its d ...
, including
anagram An anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once. For example, the word ''anagram'' itself can be rearranged into the phrase "nag a ram"; which ...
s,
cipher In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a procedure. An alternative, less common term is ''encipherment''. To encipher or encode i ...
s, crossword puzzles,
Hangman (game) Hangman is a guessing game for two or more players. One player thinks of a word, phrase, or sentence and the other(s) tries to guess it by suggesting letters or numbers within a certain number of guesses. Originally a paper-and-pencil game, the ...
,
dropquote Dropquote or quotefall is a puzzle type where a quotation has been written over several lines, and the solver must recreate it from only a list of letters as they should appear in each column. When correctly completed, the words read from left to ...
s, and word search puzzles. Tabletop and digital word puzzles include
Bananagrams ''Bananagrams'' is a word game invented by Abraham Nathanson and Rena Nathanson of Cranston, Rhode Island, wherein lettered tiles are used to spell words. Nathanson conceived and developed the idea for the game with the help of his family. T ...
,
Boggle ''Boggle'' is a word game introduced in 1972 and in which players try to find as many words as they can from a grid of lettered dice, within a set time limit. It was invented by Allan Turoff and originally distributed by Parker Brothers. Rules ...
,
Bonza Bonza Aviation Pty Ltd, operating as Bonza, was a short-lived Australian low-cost airline, headquartered on the Sunshine Coast, Queensland, Sunshine Coast. Founded in October 2021, Bonza commenced operations on 31 January 2023. The airline ente ...
, Dabble,
Letterpress (video game) ''Letterpress'' is a 2012 Turn-based strategy, turn-based word game developed by Loren Brichter and published by Atebits. In the game, two players take turns creating words with letter tiles and aim to cover the most territory. A tile can be l ...
,
Perquackey ''Perquackey'' is a word game played with dice, produced by Cardinal Industries, Inc. of Long Island City, New York, United States. It was previously produced by Lakeside Toys, a division of Lakeside Industries, Inc. of Minneapolis, Minnesota, a ...
, Puzzlage,
Quiddler ''Quiddler'' is a card game and word game created by Set Enterprises. Players compete by spelling English words from cards in hands of increasing size, each card worth various points. The game combines aspects of ''Scrabble'' and gin rummy. T ...
,
Ruzzle ''Ruzzle'' is a mobile game developed by Swedish gaming company MAG Interactive and was first published in the Apple Store in March 2012.
,
Scrabble ''Scrabble'' is a word game in which two to four players score points by placing tiles, each bearing a single letter, onto a Board game, game board divided into a 15×15 grid of squares. The tiles must form words that, in crossword fashion, re ...
,
Upwords ''Upwords'' is a board game. It was originally manufactured and marketed by the Milton Bradley Company, then a division of Hasbro. It has been marketed under its own name and also as ''Scrabble Upwords'' in the United States and Canada, and ''Top ...
,
WordSpot ''WordSpot'' is a fast-paced word search board game where players use transparent tokens to highlight words found on a board of wooden letter tiles. The goal is to use up all your tokens. The game is designed by Russell Ginns and published by F ...
, and
Words with Friends ''Words with Friends'' is a multiplayer computer word game developed by Newtoy. Players take turns building words crossword-puzzle style in a manner similar to the classic board game ''Scrabble''. The rules of the two games are similar, but ''Wo ...
.
Wheel of Fortune (U.S. game show) ''Wheel of Fortune'' (often known simply as ''Wheel'') is an American television game show created by Merv Griffin. The show has aired continuously since January 6, 1975. Contestants solve word puzzles, similar to those in hangman (game), ha ...
is a game show centered on a word puzzle. *
Puzzle video games Puzzle video games make up a broad genre of video games that emphasize puzzle solving. The types of puzzles can test problem-solving skills, including logic, pattern recognition, Sequence, sequence solving, Spatial ability, spatial recognition, ...
**
Tile-matching video game A tile-matching video game is a type of puzzle video game where the player manipulates tiles in order to make them disappear according to a matching criterion. In many tile-matching games, that criterion is to place a given number of tiles of the ...
**
Puzzle-platformer A platformer (also called a platform game, and sometimes a jump 'n' run game) is a subgenre of action game in which the core objective is to move the player character between points in an environment. Platform games are characterized by levels wi ...
**
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 ...
**
Hidden object game A hidden object game, also called hidden picture or hidden object puzzle adventure (HOPA), is a subgenre of puzzle video game, puzzle video games in which the player must find items from a list that are hidden within a scene. Hidden object games a ...
**
Minesweeper A minesweeper is a small warship designed to remove or detonate naval mines. Using various mechanisms intended to counter the threat posed by naval mines, minesweepers keep waterways clear for safe shipping. History The earliest known usage of ...


Puzzle solving

Solutions of puzzles often require the recognition of
pattern A pattern is a regularity in the world, in human-made design, or in abstract ideas. As such, the elements of a pattern repeat in a predictable manner. A geometric pattern is a kind of pattern formed of geometric shapes and typically repeated l ...
s and the adherence to a particular kind of order. People with a high level of
inductive reasoning aptitude Inductive reasoning aptitude (also called differentiation or inductive learning ability) measures how well a person can identify a pattern within a large amount of data. It involves applying the rules of logic when inferring general principles fr ...
may be better at solving such puzzles compared to others. But puzzles based upon
inquiry An inquiry (also spelled as enquiry in British English) is any process that has the aim of augmenting knowledge, resolving doubt, or solving a problem. A theory of inquiry is an account of the various types of inquiry and a treatment of the ...
and
discovery Discovery may refer to: * Discovery (observation), observing or finding something unknown * Discovery (fiction), a character's learning something unknown * Discovery (law), a process in courts of law relating to evidence Discovery, The Discovery ...
may be solved more easily by those with good deduction skills. Deductive reasoning improves with practice. Mathematical puzzles often involve BODMAS.
BODMAS In mathematics and computer programming, the order of operations is a collection of rules that reflect conventions about which operations to perform first in order to evaluate a given mathematical expression. These rules are formalized with a ...
is an acronym which stands for Bracket, Of, Division, Multiplication, Addition and Subtraction. In certain regions, PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition and Subtraction) is the synonym of BODMAS. It explains the order of operations to solve an expression. Some mathematical puzzles require top to bottom convention to avoid the
ambiguity Ambiguity is the type of meaning (linguistics), meaning in which a phrase, statement, or resolution is not explicitly defined, making for several interpretations; others describe it as a concept or statement that has no real reference. A com ...
in the order of operations. It is an elegantly simple idea that relies, as
sudoku Sudoku (; ; originally called Number Place) is a logic puzzle, logic-based, combinatorics, combinatorial number-placement puzzle. In classic Sudoku, the objective is to fill a 9 × 9 grid with digits so that each column, each row, and ...
does, on the requirement that numbers appear only once starting from top to bottom as coming along.


Puzzle makers

Puzzle makers are people who make puzzles. In general terms of occupation, a ''puzzler'' or ''puzzlist'' is someone who composes and/or solves puzzles. Some notable creators of puzzles are: *
Ernő Rubik Ernő Rubik (; born 13 July 1944) is a Hungarian architect and inventor, widely known for creating the Rubik's Cube (1974), Rubik's Magic, and Rubik's Snake. While Rubik became famous for inventing the Rubik's Cube and his other puzzles, m ...
*
Sam Loyd Samuel Loyd (January 30, 1841 – April 10, 1911) was an American chess player, chess composer, puzzle author, and recreational mathematics, recreational mathematician. Loyd was born in Philadelphia but raised in New York City. As a chess comp ...
*
Henry Dudeney Henry Ernest Dudeney (10 April 1857 – 23 April 1930) was an English author and mathematician who specialised in logic puzzles and mathematical games. He is known as one of the foremost creators of mathematical puzzles. Early life Dudene ...
* Boris Kordemsky *
Will Shortz William F. Shortz (born August 26, 1952) is an American puzzle creator and editor who is the crossword editor for ''The New York Times''. He graduated from Indiana University with a degree in the invented field of enigmatology. After starting h ...
*
Oskar van Deventer Oskar van Deventer (born 1965) is a Dutch puzzle maker. He prototypes puzzles using 3D printing. His work combines mathematics, physics, and design, and he collaborates at academic institutions. Many of his combination puzzles are in mass produc ...
* Lloyd King *
Martin Gardner Martin Gardner (October 21, 1914May 22, 2010) was an American popular mathematics and popular science writer with interests also encompassing magic, scientific skepticism, micromagic, philosophy, religion, and literatureespecially the writin ...
*
Raymond Smullyan Raymond Merrill Smullyan (; May 25, 1919 – February 6, 2017) was an American mathematician, magician, concert pianist, logician, Taoist, and philosopher. Born in Far Rockaway, New York, Smullyan's first career choice was in stage magic. He ...


History of puzzles

The nine linked-rings puzzle, an advanced puzzle device that requires mathematical calculation to solve, was invented in China during the
Warring States period The Warring States period in history of China, Chinese history (221 BC) comprises the final two and a half centuries of the Zhou dynasty (256 BC), which were characterized by frequent warfare, bureaucratic and military reforms, and ...
(475-221 BCE).
Jigsaw puzzles A jigsaw puzzle (with context, sometimes just jigsaw or just puzzle) is a tiling puzzle that requires the assembly of often irregularly shaped interlocking and mosaicked pieces. Typically each piece has a portion of a picture, which is complet ...
were invented around 1760, when John Spilsbury, a British engraver and
cartographer Cartography (; from , 'papyrus, sheet of paper, map'; and , 'write') is the study and practice of making and using maps. Combining science, aesthetics and technique, cartography builds on the premise that reality (or an imagined reality) can ...
, mounted a map on a sheet of wood, which he then sawed around the outline of each individual country on the map. He then used the resulting pieces as an aid for the teaching of geography. After becoming popular among the public, this kind of teaching aid remained the primary use of jigsaw puzzles until about 1820. The largest puzzle (40,320 pieces) is made by a German game company
Ravensburger Ravensburger AG is a German game, puzzle and toy company, publishing house, and market leader in the jigsaw puzzle market. History The company was founded by Otto Robert Maier in Ravensburg, a town in Upper Swabia in southern Germany. He began ...
. The smallest puzzle ever made was created at LaserZentrum Hannover. It is only five square millimeters, the size of a sand grain. The puzzles that were first documented are
riddles A riddle is a :wikt:statement, statement, question, or phrase having a double or veiled meaning, put forth as a puzzle to be solved. Riddles are of two types: ''enigmas'', which are problems generally expressed in metaphorical or Allegory, alleg ...
. In Europe, Greek mythology produced riddles like the
riddle of the Sphinx A sphinx ( ; , ; or sphinges ) is a mythical creature with the head of a human, the body of a lion, and the wings of an eagle. In Greek tradition, the sphinx is a treacherous and merciless being with the head of a woman, the haunches of a ...
. Many riddles were produced during the Middle Ages, as well. By the early 20th century, magazines and newspapers found that they could increase their readership by publishing
puzzle contest Puzzle contests are popular competitions in which the objective is to solve a puzzle within a given time limit, and to obtain the best possible score among all players. History One of the earliest puzzle contests was held about 1910. The publish ...
s, beginning with
crosswords A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of cl ...
and in modern days
sudoku Sudoku (; ; originally called Number Place) is a logic puzzle, logic-based, combinatorics, combinatorial number-placement puzzle. In classic Sudoku, the objective is to fill a 9 × 9 grid with digits so that each column, each row, and ...
.


Organizations and events

There are organizations and events that cater to puzzle enthusiasts, such as: *
Nob Yoshigahara Puzzle Design Competition Nob Yoshigahara Puzzle Design Competition is an annual award and competition in the engineering and design of mechanical puzzles. The location of the competition rotates between North America, Europe, and Japan. It was founded in 2001, and ha ...
*
World Puzzle Championship The World Puzzle Championship (commonly abbreviated as WPC) is an annual international puzzle competition run by the World Puzzle Federation. All the puzzles in the competition are pure-logic problems based on simple principles, designed to be pla ...
*
National Puzzlers' League The National Puzzlers' League (NPL) is a nonprofit organization focused on puzzling, primarily in the realm of word play and word games. Founded in 1883, it is the oldest puzzlers' organization in the world. It originally hosted semiannual conventi ...
*
National Puzzle Day National Puzzle Day is an American observance that occurs January 29 every year. Background Jodi Jill, a puzzle enthusiast started giving away free her Brain Baffler puzzle in the magazine Official Freebies for Teachers. Before long, there wer ...
*
Puzzlehunt A puzzle hunt (sometimes рuzzlehunt) is an event where teams compete to solve a series of puzzles, many of which are tied together via metapuzzles. Puzzlehunt puzzles are usually not accompanied by direct instructions for how to solve them; ...
s such as the Maze of Games *
World Cube Association The World Cube Association (WCA) is the worldwide non-profit organization that regulates and holds competitions for mechanical puzzles that are operated by twisting groups of pieces, commonly known as '' twisty puzzles'' (a subcategory of combi ...


See also

* * *


References


Further reading

*


External links

{{Authority control Problem solving