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. Its Not Just Racing. Its Racing Transformed! Key features: Play as over 20 legendary All-Stars each with their own transforming vehicle. Race across 25 tracks and arenas. World Tour, Grand Prix, Battle Arenas, and more. Unleash ingenious weapons or utilise your characters unique All-Star Move. 4 Player split screen and up to 10 player online events. Plus even take split screen gaming online.