This is quite a standard Tetris game, but with different game modes. The marathon mode is the classical endless Tetris. In other modes you need to eliminate a certain number of lines in the shortest time possible.
1 Player Mode: Player 1: Left / Right Arrow Keys - Move. Up Arrow Key - Rotate. Down Arrow Key - Drop. 2 Player Mode: Player 1: A, D - Move. w - Rotate. S - Drop. Player 1: Left / Right Arrow Keys - Move. Up Arrow Key - Rotate. Down Arrow Key - Drop.