Raise all 5 properties of any one Chao up to level 10.
Win all A RANKs (5 A RANKs) in any one stage in story mode.
Raise a HERO Chao and a DARK Chao with your hero and dark characters respectively.
Play all level 4 stages in Action Race, Treasure Hunter and Shooting Battle.
Beat all your enemies in Super Level in Chao Karate 1P mode.