You are a triplane pilot during WWI on a very important mission.
Try to fly as far as possible and destroy as many enemies as you can in order to earn money and upgrade your triplane. Once upgraded you will be able to fly further and reach the goal of 4,000 feet. Arrow keys to turn, up to use the throttle, down to do a half roll. Z drops a bomb and X fires your gun. Keep your speed up or you will stall.