Mario and friends once again jump into the seat of their go-kart machines for the first Wii installment of this popular franchise. New features this year are an online racing mode, new motorbike vehicle types, a special balancing system for new and veteran players, and (in its initial release) a special Mario Kart wheel packaged with the game. -16 new courses and 16 classic courses from previous Mario Kart games -For the first time ever, players have the option of racing with either karts or motorbikes -Players can hit the road as their personalized Mii caricatures in addition to the handful of classic Nintendo characters found in the game -True to the series, the game features tons of racing, plenty of power-ups and oodles of objects for players to use to slow down other drivers -10 battle arenas keeps players busy between trips around the circuit