Aircraft Defense action game is a shooter game. You control it by moving the mouse to aim the cannon and click the left button on the mouse to aim the ammo. Airplanes and helicopters pass over and drop bombs at your location. You try to shoot the aircraft before they release their bombs, or shoot the bombs if you miss the aircraft. There is one big bomb that is dropped from a high flying aircraft that you never see. With each bomb hit, your life diminishes a few points. When your life reaches zero, the game is over and you get a score. The top three high scores are recorded. Try to improve your score with each game play.