Jeremy McGrath's Supercross World

At the main menu screen, press Up, Up, Up, Up, R1, Square, Circle. There will be a quick flash indicator in the bottom left-hand corner of the screen if you enter the code correctly. This will allow you to float through the air after each jump, so that you may do endless combinations of multiple tricks to rack up points.

Start your engine when the pre-race countdown reaches "3", then hold R2 when it reaches "1".

At the main menu screen, press R2, L1, Square, Circle, Circle, Circle. There will be a quick flash indicator in the bottom left-hand corner of the screen if you enter the code correctly. You will be allowed to use unlimited Nitros in any race.

To unlock all of the bikes, complete the Hardcore section of Career Mode.

Press L2 and give the bike gas.

Endo