Puyo Puyo Tetris (ぷよぷよテトリス) is a puzzle video game developed by Sonic Team and published by Sega for multiple platforms in 2014. The game is a crossover between the Puyo Puyo series and the Tetris franchise, and features various gameplay modes incorporating both aspects. The game includes characters modeled after the seven Tetriminos, which are different puzzle pieces each made of four blocks.