Cheat IT

At the main menu, select “Options”, choose “Player Profile”,
then select the “Enter Cheat” option.
Enter next cheat codes:

$moneybags$ – 1,500 credits
All Access – all bikes except Fury
Smog Test – all exhaust pipes
Billboards – all music videos
Duds – all rider gear
Dubs – all rims

All levels unlocked:
At main menu press: Square, Triangle, Left(2), Circle(2), L, R(2), Triangle

Expert levels:
Win a gold cup for a level on the normal
difficulty setting to unlock a harder version of that level.