Select your car and try to conquer the world one setting at a time. Upgrade to 8 new, faster and better cars as you progress. Select for 12 different types of upgrades that will give you an awesome chance at beating each world. Fill the sky with collectible nitros and other cool things like planes and helicopters.
Instructions:
Drive through the level collecting things and avoiding obstacles. Go as far as you can before you run out of gas.