MX vs ATV Untamed Cheats
Go to options and find cheat codes, then enter the following.
While in the cheat menu, type in "NOHANDS"
Get FOX racing gear
While in the cheat menu, type "CRAZYLIKEA"
One Million points
While in the cheat menu, type "MANYZEROS"
Mass store points
From the main menu go to quick race then pick ski jump. You can do tons of stunts and get lots of store points and buy anything you want in the store.