At the main menu, select "Options", choose "Player Profile", then select the "Enter Cheat" option. Enter "$moneybags$" as a code.
All bikes except Fury
At the main menu, select "Options", choose "Player Profile", then select the "Enter Cheat" option. Enter "All Access" as a code to unlock all bikes except for the Fury.
All exhaust pipes
At the main menu, select "Options", choose "Player Profile", then select the "Enter Cheat" option. Enter "Smog Test" as a code to unlock all exhaust pipes.
All levels unlocked
Press Square, Triangle, Left(2), Circle(2), L, R(2), Triangle at the main menu.
All music videos
At the main menu, select "Options", choose "Player Profile", then select the "Enter Cheat" option. Enter "Billboards" as a code to unlock all music videos.
All rider gear
At the main menu, select "Options", choose "Player Profile", then select the "Enter Cheat" option. Enter "Duds" as a code to unlock all rider gear.
All rims
At the main menu, select "Options", choose "Player Profile", then select the "Enter Cheat" option. Enter "Dubs" as a code to unlock all rims.
Cheat Passwords
Having a bit of trouble getting some stuff? Well,look here. Here's some codes you'll want.
All ACCESS-Unlock everything except the Fury bike.
BILLBOARDS-Unlock all music videos.
DUBS-Unlock all tires.
DUDS-Unlock all rider gear.
N0GAME-Unlock all events.
SMOG TEST-Unlock all exausts.
TO LAZY-Unlock all ATVs except the G-Ride or Fury bike.
TRICK IT OUT-Unlock all bike parts.
$MONEYBAGS$-Earn 1,500 credits.
+THREE-Unlock Ravage Talon ATVs
To access these codes,just select Options. Then,go to Player Profile. Finally,enter any of the above codes. Please note the lowercase letters in the 1st code,and the number zero in the 5th code.
Expert levels
Win a gold cup for a level on the normal difficulty setting to unlock a harder version of that level.
Training bonus
Successfully complete all courses in training mode with a "Gold" rank to get three Talon ATVs; complete them with a "Silver" rank to get two Talon ATVs; complete them with a "Bronze" rank to get one Talon ATV.
Unlock All
Type "IGIVEUP" in the password screen and you will unlock everything.