Karts
Tiny Titan: Beat a staff ghost by at least 7 seconds in time trials.
Cheep Charger: Get at least a ★ ranking in all the 50cc Cups.
Blue Falcon: Win the MIRRORcc Lightning Cup.
Bikes
Magicruiser: Play time trials on 8 different courses.
Quaker: Get a gold trophy in the 150cc Star Cup.
Jet Bubble: Get a gold trophy in the MIRRORcc Leaf Cup