Jeremy McGrath Supercross World Cheats - GameCube
Primary Collection of Cheats
Unlimited turbo
Press [Down]x3, [L], [R], [Z] at the main menu. The lower left corner of the screen will flash and the message "Need for speed" will appear to confirm correct code entry. Repeat the code to disable its effect.
Moon gravity
Press [Left], [Right], [Up], [Down], [B]x3 at the main menu. The lower left corner of the screen will flash and the message "Feel lighter" will appear to confirm correct code entry. Repeat the code to disable its effect.
Bouncy bike
Press [Up]x3, [Y]x2, [X]x2 at the main menu. The lower left corner of the screen will flash and the message "Bouncy, bouncy" will appear to confirm correct code entry. Repeat the code to disable its effect.
Big heads
Press [B], [X], [R], [L], [Right] at the main menu. The lower left corner of the screen will flash and the message "Your head expands" will appear to confirm correct code entry. Repeat the code to disable its effect.
Tiny mode
Press [L], [Z], [Left], [Right], [B]x2 at the main menu. The lower left corner of the screen will flash and the message "Drink me" will appear to confirm correct code entry. Repeat the code to disable its effect.
Tag mode
Press [Z], [X], [Z], [X] at the main menu. The lower left corner of the screen will flash and the message "Tag you're it" will appear to confirm correct code entry. Repeat the code to disable its effect.
No boundaries
Press [L], [R], [Z], [L], [R], [Z] at the main menu. The lower left corner of the screen will flash and a message will appear to confirm correct code entry. Repeat the code to disable its effect.