Codes

Effect	Code
Fourth colour set	At the mode selection screen, press Down, Left, Up, Right, X, Y, L, R
Random Weather in Time Attack	R, X (7x), Y (7x) (on Mode Select screen)
Super expert mode	At the mode selection screen, press Left(2), Right(2), Left, Right, X, Y(8). Alternately, successfully complete expert mode on the championship diffic
Unlock Combat Jet	Left, Right, Down, X, X, X, X (on Mode Select screen)
Unlock LE-2001 Vehicle	Y, X, Right, Left, Right, Left, Down, Down, Up, Up (on Mode Select screen)

Unlockables

Unlockable	How to Unlock
Beezlebub Dune Buggy	Beat Expert Mode in 1st place
Extra Color Scheme	Beat Expert Mode
Jet Buggy	Get 100% on Level Checker when building your car
New Expert Series	Beat Expert Mode on Championship with Beezlebub