Use your arrow keys to drive and your X key for NOS.
Get behind the wheel of a very fast car and drive your way on top of a moving train. You will face danger and many obstacles straight on, buy you can also collect coins and buy some great upgrades. Be very fast to get a time bonus and you can even use your NOS power for an extra speed boost. Just make sure you do not crash your vehicle, because you might damage it. Complete all eight levels to win the game. Have a great time playing Train Surfing!