April 6, 2012 7:30 AM | Steve Cook
Player one messes with player two by breaking enough bricks to get the ball passed the top of the screen and down into the right hand side, where it wreaks havoc on the completion of player two's Tetris lines. Player two messes with player one by completing Tetris lines. For every line successfully created by the Tetris player, another line of bricks bears down on player one.
It's a fun proof of concept.. but only with two players. You can download it here.