Plot: Tetris is a tile-matching video game created by Russian software engineer Alexey Pajitnov in 1984. It has been published by several companies, most prominently during a dispute over the appropriation of the rights in the late 1980s. Wikipedia
Plot: The New Tetris is a puzzle video game for the Nintendo 64. The game was developed by H2O Entertainment and published by Nintendo, based on the latter's popular Tetris series. The game was originally released on July 31, 1999, in North America. Wikipedia
Plot: Welltris is a puzzle video game, developed by Doka and licensed to Bullet-Proof Software. Adaptations were made by Sphere, Inc., for Spectrum Holobyte, and by Infogrames. It was originally released for MS-DOS and Macintosh in 1989. Wikipedia
Plot: Tetrisphere is a falling block puzzle video game for the Nintendo 64 console. Developed by Canadian company H2O Entertainment, a nearly complete version of the game was originally slated for release on the Atari Jaguar in early 1995. Wikipedia
Plot: Tetris: Axis, released as Tetris in some regions, is a puzzle video game for the Nintendo 3DS developed by Hudson Soft and Bandai and was published by Nintendo. The game was released in all regions in October 2011 and was published by Namco Bandai Games and Tetris Online in Japan and PAL regions respectively...
Plot: Magical Tetris Challenge is a puzzle game by Capcom for the Nintendo 64, Game Boy Color, and PlayStation. It is a version of Tetris featuring Disney characters. It is one of the few Nintendo 64 games to be entirely in 2D. The game was also released in arcades on Seta's Aleck 64. Wikipedia
Plot: Tetris Plus is a puzzle video game developed by Natsume and published by Jaleco for arcades in 1996, and was ported to the Game Boy, Sega Saturn, and PlayStation later that year. The game would be followed by a sequel, Tetris Plus 2, in 1997. Wikipedia