At the main menu, hold R1, then enter the codes.
Cheat mode | Up, Triangle, Up, Triangle, Up, Triangle |
Cartoon track | Right, Up, Left, Circle, Triangle, Square |
Summer track | Triangle, X, Circle, Circle, X, Triangle |
Unlock ATV | Up, Right, Down, Up, Right, Down |
Unlock Go-Cart | Right, Right, Left, Left, Right, Right |
Demo mode | Up, Up, Up, Down, Down, Down |
at CheatingDome.com.