I just got a wii, what are some MUST PLAY games?

i like Mario kart not because it has Mario but because of the wide range of characters also there is wii party i think it is called it is like a board game but there is mini games and lots of different ways to play it and in case you didn't know if u buy a game cube remote you can play GameCube games so there is games like need for speed and legend of Zelda just remember you can go to the wii store and buy some games without leaving your house.