Tetris
Tetris (Russian: Тетрис) is a puzzle video game created in 1985 by Alexey Pajitnov, a Soviet software engineer. In Tetris, falling tetromino shapes must be neatly sorted into a pile.
From Wikipedia
Tetris (Russian: Тетрис) is a puzzle video game created in 1985 by Alexey Pajitnov, a Soviet software engineer. In Tetris, falling tetromino shapes must be neatly sorted into a pile.