Unlockable Characters

Unlock King Boo by winning the 50cc Star Cup.

Unlock Diddy Kong by winning all 50cc cups.

Unlock Baby Daisy by getting at least a star rank in all 50cc cups.

Unlock Mii Outfit A by winning 100cc Star Cup.

Unlock Dry Bones by winning 100cc Leaf Cup.

Unlock Bowser Jr. by getting at least a star rank in all 100cc Retro Cups.

Unlock Daisy by winning 150cc Special Cup.

Unlock Dry Bowser by getting at least a star rank in all 150cc Wii Cups.

Unlock Birdo by playing time trials on 16 different courses.

Unlock Toadette by playing time trails on all 32 courses.

Unlock Funky Kong by unlocking expert staff ghost data for 4 courses.

Unlock Baby Luigi by unlocking expert staff ghost data for 8 courses.

Unlock Mii Outfit B by unlocking expert staff ghost data for all courses.