Get Super Tune & Slingshot Cars
Go to the main menu and put in the code smashmouth
Get all the rings in each stage and all cars. (win all cups, first place all times).
Unlock All Tracks
Go to the press START screen and press R2, L2, Circle, Circle,Square, Square.
Unlock All Cars
Go to the press START screen and press R2, L2, Square, Square,Circle, Circle.
Unlock Smashmouth Car
Go to the press START screen and press Square, Square, Square, Triangle, Circle, X.
Kurt Wylde Spy Car
When you highlight him enter Square, Square, Square, Triangle, Circle, X. If you want to undo the cheat do it again
To Open Shortcuts
To open shortcuts, you must find a wheel spinning around in circles. The only time you cannot get a wheel is in the first lap.
Get first, second, or third place, and collect fifty pick-ups to unlock a new car.