Question: how to unlock all characters in mario kart 7?
Answer: Daisy - Get 1st place (over all) in the 150CC Mushroom Cup.
Wario - Get 1st place (over all) in the 150CC Flower Cup.
Rosalina - Get 1st place (over all) in the 150CC Star Cup.
Metal Mario - Get 1st place (over all) in the 150CC Special Cup.
Shy Guy - Get 1st place (over all) in the 150CC Shell Cup.