4X4 Jam

Race 4x4 JAM the most unique all-terrain off-road racing game you could ever see on iPhone and iTouch - but don't take every turn seriously.
Feel free to jump over your opponent or roll down a steep hill. There are no rules and no boundaries, racing goes for pure fun.
Find yourself behind the wheels of off-road vehicles with realistic and the most enjoyable tilted or tapped game control. The realistic physics system of JAM put a smile upon your face.

Don't look for boundaries like in other racing games, 4x4 jam doesn't limit the area. You can really drive as far as you wish!
The game offers 100% total freedom to race across the varied terrains without any limitations.
Listen to 9 licensed rock tracks during the intense races.
Challenge your opponents on icy mountains or hot sand dunes and experience the excitement of hill climbing with custom build off-road vehicles.

Link: http://itunes.apple.com/us/app/4x4-jam/id321262190?mt=8