The ultimateMario Kart race is on…and online via your Nintendo Wi-Fi Connection inMario Kart DS. Drawing on more than 30 courses and battle arenas from every game in theMario Kart series - not to mention tons of new ones,Mario Kart DS allows you to play as Mario, Luigi, Princess Peach, Wario, Yoshi, Donkey Kong, Toad, Bowser and Shy Guy as you put the pedal to the go-kart metal, grab coins to max out your speed and blast rivals with the ever-popular arsenal of red, green and spiked Koopa shells in a race to finally put to rest the question of who is the true king of the Mushroom Kingdom racing circuit.