Turn your racing experience upside down! Nintendo’s Mario Kart franchise comes to the Wii U console in full HD, introducing new racing circuit designs and anti-gravity karts that will have players driving upside down. And for the first time, all of Bowser’s seven Koopalings are playable characters-- get a taste of being bad on the race track by playing as Iggy, Larry, Lemmy, Ludwig, Morton, Roy and Wendy.…