Insert the codes below while you're playing the game.

Extra $50,000 - X, B, Y, X, B, Y, A
Extra 500 Thrill Points - B, X, Y, B, X, Y, X
Unlock all Mini-Games - X, B, Y, X, B, Y, Right
Unlock all Missions - X, B, Y, X, B, Y, B
Unlock all Parks - X, B, Y, X, B, Y, X
Unlock all Rides - X, B, Y, X, B, Y, Y