SnoCross: Championship Racing

At the main menu, hold R1 and press:

Cheat mode - UP, Triangle, UP, Triangle, UP, Triangle.
Demo mode - UP(x3), DOWN(x3).
Cartoon track (Kiruna track in Singleplayer) - RIGHT, UP, LEFT, Circle, Triangle, Square.
Summer track (Calgary track in Singleplayer) - Triangle, X, Circle(x2), X, Triangle.
Unlock ATV - UP, RIGHT, DOWN, UP, RIGHT, DOWN.
Unlock Go-Cart - RIGHT(x2), LEFT(x2), RIGHT(x2).

 