Go into Profile Editor and Select Unlock Items Then Select Cheat Codes, then enter one of the following.

Code	Effect
BRINGIT	Enable/Disable All Out AI Option
EATDIRT	Enable/Disable Aggressive AI Option
FLYPAPER	Enable/Disable Wrecks Option
GABRIEL	Have San Jacinto Isles
GAMEON	Have All Multiplayer Modes
GETONUP	Wheelies Allow Points
GIMMEPTS	Give 1,000 Profile Points
GOLDCUPS	Have All Championship Events
IGIVEUP	Unlock Everything (Except For San Jacinto Isles)
NOSKILLS	Unlock all ATV's in training
SHOWROOM	Have All ATVs
STOPCAM	Enable/Disable Action Replay Camera Option
THREADS	Have All Equipment
TRLBLAZR	Have All Tracks
WIDESCRN	Switch Aspect Ratio