3D Tetris is the three-dimensional version of the classic Tetris game. Tetris is a classic game from gamboy. It's a fun, entertaining and highly addictive puzzle game that was very popular. The object of the game is to obtain the highest score by filling layers with falling polycubes. Use the arrow keys to rotate the blocks. Use the arrow keys to guide the falling blocks, spacebar and the up-arrow will rotate the block in opposite directions.