In this racing game, you and your friends must work together to defeat the Decepticons, who have won from the planet Cybertron. The game is played on a big, round, screen with a selection of shapes to choose from, including a bike, truck, or bike-and-tank game. The game is tension-filled moments, as you must timely respond to Decepticon attacks while avoiding obstacles and obstacles in its path. You also can control one or two players withA.I. (automatic aiming) for added convenience. The DSi and newer systems allow for up to four players in play, so of course that gives this game an extra layer of excitement.