For all bikes type in ALLBIKES.
Enter "FLOATING" as a code.
Enter "SLEEPYHOLLOW" as a code to unlock the "Headless Riders" selection on the bonus game options screen.
Enter "BIG_HELMETS" as a code to unlock a "Big Helmets" selection on the bonus game options screen.
While going around corners or going of jumps, hit R1 and it will give you a power boost.
When you come around a turn you are bound to fall off. Just hit the square button when turning and you will turn better.
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