Amish Boy:
Beat the game with Dave Mirra, Ryan Nyquist, Joey Garcia, Troy McMurray, Mike
Laird, Chad Kagy, Tim Mirra, Kenan Harkin, Shaun Butler, and Leigh Ramsdell. 

Big-Crashes Option:
Beat the game with Leigh Ramsdell to enable the option at the cheat menu. 

Sticky-Crashes Option:
Beat the game with Kenan Harkin to enable the option at the cheat menu. 

Silly-Grunts Option:
Beat the game with Tim Mirra to enable the option at the cheat menu. 

First-Person View: 
Beat the game with Mike Laird to enable the option at the cheat menu. 

Unlock the Ghost Rider: 
Beat the game with Joey Garcia to enable the option at the cheat menu. 

Unlock Exorcist Mode: 
Beat the game with Troy McMurray to enable the option at the cheat menu. 

Bike-Suspension Mode: 
Beat the game with Chad Kagy to enable the option at the cheat menu. 

Night-Vision Mode:
Beat the game with Shaun Butler to enable the option at the cheat menu.

All Bikes: 
At the bike selection screen in pro quest mode, press Up, Left, Up, Down, Up, Right,
Left, Right Modifier Airs to unlock all bikes. Note: Each time a new bike is selected this
code will have to be re-entered.

All Styles: 
At the style selection screen in pro quest mode, press Left, Up, Right, Down, Left,
Down, Right, Up, Left, Modifier Airs to unlock all styles. Note: Each time a new bike is
selected this code will have to be re-entered.

Play as Slim Jim: 
At the rider selection screen in pro quest mode, press Down, Down, Left, Right, Up,
Up Modifier Airs to unlock Slim Jim. Alternately, beat the game with any rider to
unlock a bonus bike and Slim Jim.