4x4 Madness brings you great physics engine based monster truck racing.Monster truck hill climbing, jumping, massive down-hill racing is now at your finger tips.? Race against your ghost ? OpenFeint global leader boards? GPS Map of the race track? Tilt the device to balance the truckThis free version contains the Country Hills 10-track pack.The Crazy Canyon and Siberian Rally track packs can be optionally added as an In App purchase.