The ultimate Mario Kart race is on and online! From more than 30 courses and battle arenas, join your favorite Mario characters in all new-tracks plus many hidden courses. Grab coins to max out your speed and blast your rivals with the ever-popular arsenal of red, green and spiked Koopa shells. Challenge your friends and family in a race to finally put to rest the question of who is the true king of the Mushroom Kingdom racing circuit.