In the MotoGP Xbox Live demo go to the credits section wait till the credits are done and you'll be taken to the Credits Shooter Mini game.

In the Moto GP: Online demo for XBOX Live, enter the unlock everything code(left, up, left(x2), B, up, left(x2), B, Y, down, up, B on the main menu, and it will bring to this mini game.

Go to any sand pit and reverse for a while and your tires will turn green. keep doing it and they will turn blue.

Enter the code - LEFT, UP, LEFT, LEFT, B, UP, LEFT, LEFT, B, Y, DOWN, UP, B at the main menu

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