Do 100 backflips
Do 50 Front Flips
Do a Double Flip
Complete a level without Dying
Unlock 5 bikes
Die 10 Times in one Level
Complete 75 Levels in the Main Map
Complete all levels in the Cyber Zone
Collect 100 Stars from the Main Map
Collect 30 stars in the Cyber Zone
Complete all levels in the Halloween Map
Complete all levels in the winter map
Collect 75 Stars in the Halloween Zone
Collect 75 Stars in the Winter Map
Complete all Levels in the Pool Party Map
Collect 45 Stars in the Pool Party Map