This is a awesome app, one of the better racing/vehicle apps I have downloaded.

Good controls, I like the "health" implementation adds to the challenge


Description
Taste the deadly dunes of Sahara with powerful off-road machines. Hit the gas and climb up to the top of the world! Do you have what it takes to survive this hell?

Features:
✔ Incredible offroad vehicles
✔ Gorgeous graphics
✔ Real-time vehicle deformation
✔ Precise physics simulation
✔ Retina display support for iPad and iPhone!
✔ iPhone5 4-inch retina support
✔ Exclusive iPhone5 ultra graphics detail


Fasten your seatbelts, it's gonna be a tough ride!

Source