Tetris

Sega's arcade version Tetris on Kyocera phonesdropping blocksKevtrisNeoGeo 2 Player TetrisNintendo's Tetris (1989)QuinnSega TetrisTetradTetris - Type A
Tetris is a tile-matching puzzle video game, originally designed and programmed by Soviet Russian game designer Alexey Pajitnov .wikipedia
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Tile-matching video game

tile-matchingmatch-3match-three
Tetris is a tile-matching puzzle video game, originally designed and programmed by Soviet Russian game designer Alexey Pajitnov .
Their origins lie in late 1980s games such as Tetris, Chain Shot! (SameGame) and Puzznic.

Alexey Pajitnov

PajitnovianWild Snake
Tetris is a tile-matching puzzle video game, originally designed and programmed by Soviet Russian game designer Alexey Pajitnov .
Alexey Leonidovich Pajitnov (born 14 March 1956) is a Russian video game designer and computer engineer who developed Tetris while working for the Dorodnitsyn Computing Centre of the Soviet Academy of Sciences, a Soviet government-founded R&D center.

Puzzle video game

Puzzlepuzzle gamepuzzles
Tetris is a tile-matching puzzle video game, originally designed and programmed by Soviet Russian game designer Alexey Pajitnov .
The player may have unlimited time or infinite attempts to solve a puzzle, or there may be a time limit, or simpler puzzles may be made difficult by having to complete them in real time, as in Tetris.

Spectrum HoloByte

Sphere Inc.
Tetris was the first entertainment software to be exported from the Soviet Union to the United States, where it was published by Spectrum HoloByte for the Commodore 64 and the IBM PC.
The company, founded in 1983 in Boulder, Colorado by Jeff Sauter, Phil Adam and Mike Franklin, was best known for its simulation games, notably the Falcon series of combat flight simulators, and for publishing the first version of Tetris outside the Soviet Union (in 1987, for MS-DOS).

List of best-selling video games

best-sellingbest-selling video gamebest-selling video games
In January 2010, it was announced that the Tetris franchise had sold more than 170 million copies; approximately 70 million physical copies and over 100 million copies for cell phones, making it the best selling paid-downloaded game of all time.
The best-selling video game to date is Tetris, a tile-matching puzzle video game originally released for the Electronika 60 in 1984 and then popularised upon its Game Boy release in 1989.

Tetris (Game Boy)

Tetris1989 version1989 Game Boy version of ''Tetris
While versions of Tetris were sold for a range of 1980s home computer platforms as well as arcades, it was the successful handheld version for the Game Boy launched in 1989 that established the game as one of the most popular.
It is a portable version of Alexey Pajitnov's original Tetris and it was bundled in the North American and European releases of the Game Boy itself.

List of Tetris variants

List of ''Tetris'' variantsTetrisTetris 2
In January 2010, it was announced that the Tetris franchise had sold more than 170 million copies; approximately 70 million physical copies and over 100 million copies for cell phones, making it the best selling paid-downloaded game of all time. Although not the first Tetris game to feature a new kind of Tetris, "easy spin" (see The Next Tetris), also called "infinite spin" by critics, Tetris Worlds was the first game to fall under major criticisms for it. Easy spin refers to the property of a Tetrimino to stop falling for a moment after left or right movement or rotation, effectively allowing someone to suspend the Tetrimino while thinking on where to place it. This feature has been implemented into The Tetris Company's official guideline.
This is a list of variants of the game Tetris.

Solomon W. Golomb

GolombSolomon GolombGolomb, Solomon W.
Polyominoes have been used in popular puzzles since at least 1907, and the name was given by the mathematician Solomon W. Golomb in 1953.
His game of pentomino inspired Tetris.

Tetris Worlds

Although not the first Tetris game to feature a new kind of Tetris, "easy spin" (see The Next Tetris), also called "infinite spin" by critics, Tetris Worlds was the first game to fall under major criticisms for it. Easy spin refers to the property of a Tetrimino to stop falling for a moment after left or right movement or rotation, effectively allowing someone to suspend the Tetrimino while thinking on where to place it. This feature has been implemented into The Tetris Company's official guideline.
Tetris Worlds is a version of the video game Tetris.

Pentomino

pentominoespentaminopentomino board
He initially considered creating a game around pentominoes, which featured in puzzle games that he had enjoyed as a child, but felt that it might have been too complicated with twelve different shape variations, so the concept switched to tetrominoes, of which there are seven variants.
Usually, video games such as Tetris imitations and Rampart consider mirror reflections to be distinct, and thus use the full set of 18 one-sided pentominoes.

Tetromino

five unique shapesL-Blockstandard seven Tetris pieces
He initially considered creating a game around pentominoes, which featured in puzzle games that he had enjoyed as a child, but felt that it might have been too complicated with twelve different shape variations, so the concept switched to tetrominoes, of which there are seven variants. Tetris is a popular use of tetrominoes, the four-element special case of polyominoes.
A popular use of tetrominoes is in the video game Tetris, which refers to them with the misspelling tetrimino. The tetrominoes used in the game are specifically the one-sided tetrominoes.

The Tetris Company

Tetris OnlineTetris Online Inc.
Although not the first Tetris game to feature a new kind of Tetris, "easy spin" (see The Next Tetris), also called "infinite spin" by critics, Tetris Worlds was the first game to fall under major criticisms for it. Easy spin refers to the property of a Tetrimino to stop falling for a moment after left or right movement or rotation, effectively allowing someone to suspend the Tetrimino while thinking on where to place it. This feature has been implemented into The Tetris Company's official guideline.
The company is the exclusive licensee of Tetris Holding LLC, the company that owns Tetris rights worldwide and the Tetris Company licenses the Tetris brand to third parties.

Nintendo

Nintendo of AmericaNintendo Co., Ltd.NES
Elorg, meanwhile, held that none of the companies was legally entitled to produce an arcade version, and signed those rights over to Atari Games, while it signed non-Japanese console and handheld rights over to Nintendo.
Nintendo of America president Minoru Arakawa managed a deal to bundle the popular third-party game Tetris along with the Game Boy, and the pair launched as an instant success.

Easter egg (media)

Easter eggEaster eggshidden
The game, or one of its many variants, is available for nearly every video game console and computer operating system, as well as on devices such as graphing calculators, mobile phones, portable media players, PDAs, Network music players and as an Easter egg on non-media products like oscilloscopes.
One example is the HP 54600B, known to have a Tetris (1984) clone, and the HP 54622D contains an imitation of the Asteroids (1979) game named Rocks.

Video game console

consolegame consoleconsoles
The game, or one of its many variants, is available for nearly every video game console and computer operating system, as well as on devices such as graphing calculators, mobile phones, portable media players, PDAs, Network music players and as an Easter egg on non-media products like oscilloscopes.
Simple games such as Tetris and Solitaire had existed for PDA devices since their introduction, but by 2009 PDAs and phones had grown sufficiently powerful to where complex graphical games could be implemented, with the advantage of distribution over wireless broadband.

Electronika 60

Pajitnov's original version for the Electronika 60 computer used green brackets to represent blocks.
The original implementation of Tetris was written for the Electronika 60 by Alexey Pajitnov.

Dorodnitsyn Computing Centre

Computing Centre
The first playable version was completed on June 6, 1984, while he was working for the Dorodnitsyn Computing Centre of the Academy of Science of the Soviet Union in Moscow.
Tetris

Puyo Puyo Tetris

In 2014, in conjunction with the 30th anniversary of the series, Sega released Puyo Puyo Tetris, a multi-platform game that blends gameplay elements of both the Tetris and Puyo Puyo franchises.
The game is a crossover between the Puyo Puyo series and the Tetris franchise, and features various gameplay modes incorporating both aspects.

Tetris (Electronic Arts)

EA's Tetrisfor cell phonesMobile
In January 2010, it was announced that the Tetris franchise had sold more than 170 million copies; approximately 70 million physical copies and over 100 million copies for cell phones, making it the best selling paid-downloaded game of all time.
The game featured gameplay like other Tetris titles, but with a new soundtrack.

Emacs

GNU EmacsEmacs (text editor)Emacs Pinky
For instance, µTorrent and GNU Emacs contain similar shape-stacking games as easter eggs.
Extensions have been written to manage email, files, outlines, and RSS feeds, as well as clones of ELIZA, Pong, Conway's Life, Snake and Tetris.

Classic Tetris World Championship

The Classic Tetris World Championship commenced in 2010 and uses the Nintendo version of Tetris.
The contestants play Nintendo's Tetris (1989) on actual Nintendo Entertainment Systems and CRT televisions.

Tengen (company)

Tengen
Tengen (the console software division of Atari Games), regardless, applied for copyright for their Tetris game for the Nintendo Entertainment System, loosely based on the arcade version, and proceeded to market and distribute it under the name TETЯIS: The Soviet Mind Game (with faux Cyrillic typography incorporating the Cyrillic letter Ya), disregarding Nintendo's license from Elorg.
Tengen faced another court challenge with Nintendo in 1989 in copyright controversy over Tetris.

Vadim Gerasimov

Academy of Sciences co-workers Dmitry Pavlovsky and Vadim Gerasimov ported the game to the IBM PC.
At age 16 he was one of the original co-developers of the famous video game Tetris: he ported Alexey Pajitnov's original game to the PC architecture and the two later added features to the game.

Henk Rogers

Henk
In response to the issue, Henk Rogers stated in an interview that infinite spin was an intentional part of the game design, allowing novice players to expend some of their available scoring time to decide on the best placement of a piece.
He is known for producing Japan's first major turn-based role-playing video game The Black Onyx, securing the rights to distribute Tetris on video game consoles where the game found popularity, and as the founder of The Tetris Company which licenses the Tetris trademark.

Blue Planet Software

Bullet-Proof SoftwareBullet Proof SoftwareBullet-Proof
A different version of Tetris was originally released in late 1988 by Bullet-Proof Software (BPS) for several Japanese home computers as well as the MSX and the Family Computer in Japan, predating Nintendo's version.