MX vs. ATV Unleashed: On the Edge and MX vs. ATV Unleashed for Windows PC bring Rainbow Studio's critically acclaimed franchise to the PSP system and Windows PC for the first time, allowing gamers to explore immense free-world areas, compete with an array of vehicle types and vie for off-road supremacy in a multitude of racing modes.

The franchise's ultra-realistic Rhythm Racing^TM physics engine returns, accompanied by an all-new track editor for the Windows PC, allowing gamers to create their own, personalized off-road fantasy.

PSP system multiplayer will allow four players to challenge each other online via wireless connection and eight players will be able to get dirty online on Windows PC.