Hasbro Bop It! Tetris is a handheld game that combines the classic Tetris gameplay with the Bop It! action. The device features a target screen and a shift screen, and the player must fit the shape on the shift screen into the target screen before time runs out. The game can be played in two modes: Tetris Marathon and Pass It. Tetris Marathon is a single-player mode where the player must complete as many puzzles as possible to earn a high score. Pass It is a multiplayer mode where players pass the device to each other and must complete puzzles as quickly as possible to avoid being eliminated.