Hold L2 + Square at a good speed and you will ride on your front wheel.
Moon Gravity
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.
Moves
Move
How to perform
360
Hold L2 + R2 and press Left, Down, Right, Up.
Cliffhanger
Hold L2 + R2 and press Left, Right, Up.
Crack-Nac (Left)
Hold L2 + R2 and press Down, Left.
Crack-Nac (Right)
Hold L2 + R2 and press Down, Right.
Heart Attack
Hold L2 + R2 and press Left, Up, Down.
Indian Air
Hold L2 + R2 and press Left, Down.
No Hands
Hold L2 + R2 and press Up, Down.
Nothing
Hold L2 + R2 and press Down, Up.
Switchblade (Left)
Hold L2 + R2 and press Right, Left(2).
Switchblade (Right)
Hold L2 + R2 and press Left, Right(2).
Quick start
Start your engine when the pre-race countdown reaches "3", then hold R2 when it reaches "1".
Unlimited Turbo Boost
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.
Unlock All Bikes
To unlock all of the bikes, complete the Hardcore section of Career Mode.