Sonic and the All-Stars cast line up on the starting grid once again to battle for supremacy in the ultimate race. Compete across land, water and air in incredible transforming vehicles that change from cars to boats to planes mid-race. Master your driving skills as you drift, barrel roll and boost to overtake your rivals, or use your weapons tactically and unleash your All-Star move to gain the winning advantage. Game Features: Fully Transformable vehicles which change from car to plane to boat mid race. Over 20 legendary All-Stars each with their own transformable vehicle. Over 25 tracks and arenas which challenge you on land, water and air. Unleash ingenious weaponry and your character's All-Star move to beat the opposition. Race up to 10 players online, or challenge your friends in four player split screen.