MX vs. ATV Untamed Cheats, Codes, and Secrets for PSP

Unlockables

How to get the Snowmobile, Buggy, Golf Cart, and Trophy truck, and 450 Dirtbike, by finding the keys in these locations.

Unlockable	How to Unlock
450 Dirtbike	The key is located in American Gothic, You just have to go by the railroad tracks and it is on the roof of the building connected to the railroadl.
Buggy	The key is located in Yucatan Ruins, You have to go to where the flag challenge brought you, and the key is located on top of the fountain in there.
Golf Cart	The key is located in Seaside Links, You have to go straight from where you are, go on the opposite side of the building, and is on the left balcony
Monster Truck	Under Construction; go to the unfinished building. the key is in the pipe that is held up by the crane
Sandrail	Excavation Site; when you pause and select "Change Location". the building in the picture is where the key is. it is by the race track
Snowmobile	The key is located in Alaskan Tundra, on top of the tower by the airplane hanger, you have to jump over the tower, and you will pick up the key.
Trophy Truck	The key is located in Bayou Delta, where the time trial finished, its in the middle of the water, go over the land bridge and follow the thin trail.