Get the ATV :

At the Main Menu hold R1 and enter Up, Right, Down, Up, Right, Down. When you release R1 the screen will flicker to confirm correct code entry. Now enter any race and select any snowmobile, when the race starts, you'll have an ATV.

Get the Go-Kart :

At the Menu hold R1 and enter Right, Right, Left, Left, Right, Right. When you release R1 the screen will flicker to confirm correct code entry. Now enter any race and select any snowmobile, when the race starts, you'll have a Go-Kart.

Demo Mode:

At the main menu hold R1 and enter Up, Up, Up, Down, Down, Down.

Unlock All Snowmobiles, Tracks, and Leagues:

At the Main Menu Hold R1 and enter Up, Triangle, Up, Triangle, Up, Triangle.

Unlock Bonus Palm Track:

At the Main Menu, enter Hold R1 and press Triangle, X, Circle, Circle, X, Triangle. At the Track Selection Screen, pick Calgary.

Unlock Bonus Cartoon Track:

At the Main Menu, enter hold R1 and press Left, Up, Right, Circle, Triangle, Square. At the Track Selection Screen, pick Kiruna.