MX vs. ATV Untamed on PSP has players competing in an eight-series
X-Cross tournament. Events take place in indoor stadiums and outdoor
courses, each offering plenty of spots to perform more than 50 tricks.
Terrain includes a mix of sand, snow, dirt, and asphalt, with hazards
such water, logs, and rocks adding a degree of challenge. While the
obvious focus is on racing MX bikes and ATVs, players can also slip
behind the wheel of a monster truck, dune buggy, ORV, 4x4 golf cart,
trophy truck, and a sand rail. Exclusive
to the PSP version are in-game achievements or milestones. The latter
offers more than 50 scenarios to complete to earn a