Here are some cheats and tips for the game X-Games Pro Boarder.
All Circuits:
To unlock all normal circuits, enter the password X, Circle, X, Triangle,
Triangle, Square.
Play as Ollie B:
On the password screen enter Triangle, X, Square, X, Triangle, O.
Super Circuit and Secret Boarders:
To unlock the super circuit and secret boarders, enter the password
Square, Triangle, X, Square, Circle, Circle.