To enable Cheat Mode (which gives you access to most of the goodies in the game), press UP, RIGHT, DOWN, LEFT, RIGHT, RIGHT, UP, DOWN, LEFT, RIGHT, UP, LEFT, RIGHT, RIGHT, DOWN, B. A sound will confirm correct code entry.

Enter at main menu:

• Bikes: DOWN, DOWN, UP, RIGHT, UP, RIGHT, UP, UP, B
• Levels: Press UP, UP, UP, RIGHT, UP, LEFT, UP, UP, B
• Dave Mirra: Press LEFT, RIGHT, UP , UP , LEFT, RIGHT, UP, UP, B
• Competition Outfit: Press UP, DOWN, UP, DOWN, RIGHT, LEFT, UP, UP,
• FMV sequences: Press LEFT , LEFT , UP, RIGHT, UP, LEFT, UP, UP , B

To unlock Mike Diaz, go to the main menu and enter this code: UP, LEFT, DOWN, RIGHT, RIGHT, LEFT, UP, DOWN, UP, RIGHT, B.

To unlock Amish Guy, go to the main menu and press these buttons: UP, LEFT, DOWN, RIGHT, RIGHT, LEFT, LEFT, DOWN, UP, LEFT, B.

To unlock all bikes, go to the main menu and press these buttons: UP, LEFT, DOWN, RIGHT, DOWN, DOWN, RIGHT, DOWN, DOWN, LEFT, B.

To enable level select, go to the main menu and enter this code: UP, DOWN, DOWN, LEFT, RIGHT, DOWN, B.

Go to the main menu and enter these codes to unlock stuff for Park Editor:

Themes: UP, LEFT, DOWN, RIGHT, DOWN, UP, DOWN, RIGHT, LEFT, LEFT, B.
Objects: LEFT, DOWN, RIGHT, DOWN, UP, UP, DOWN, RIGHT, RIGHT, B.