Jeremy McGrath Supercross World Cheats

Jeremy McGrath Supercross World Unlimited Turbo
At the main menu, enter the following code to unlock unlimited turbo: R2, L1, SQUARE, CIRCLE, CIRCLE, CIRCLE.

Jeremy McGrath Supercross World Unlock Moon Gravity
At the main menu, enter the following code to turn on Moon Gravity: UP, UP, UP, UP, R1, SQUARE, CIRCLE.