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MotorStorm Cheats, Codes, Hints, Tips
Unlockable: Unlock Everything
To unlock everything in the game, head to the main menu. Hold down L1, L2, R1 and R2, and push R3 (the right analog stick) upward. Then, press L3 (the left analog stick), and push it down while keeping it pressed.
Cheat: Big Heads
Hold down L1, L2, R1, R2, R3 (hold to the RIGHT), L3 (hold down LEFT).