Mario Kart Wii is a great party game and nearly a must have if you're a mario fan.  This game allows the use of 4 different controllers, and the wii wheel is included.  The wheel is an accesory for the wiimote so you can steer your kart by turning the wheel.  The controls for the wheel are surprisinugly very responsive, but it does take some getting used to.  There are 16 new tracks as well as 16 from the previous series.  Also, you can choose to use bikes or karts as well.  The differences are that bikes and do wheelies, but karts get a bigger drifting boost.  A drifiting boost is when...