You can play in story mode or in free play. In story mode, you progress farther into the game. In free play, you play for fun. Use the mouse to prevent to ball from falling and to destroy the bricks. You must destroy all the bricks and all the enemies to advance to the next level. Collect Omnitrix symbols to transform into one of 6 aliens for a limited amount of time (XLR8, Heatblast, Stinkfly, Cannonbolt, Wildvine, and Ripjaws).