In essence, the rules are clear. You need to shoot down as many enemy fighter aircraft, without having to watch over you, do not hit. If you run out of ammo, do not worry, can activate the bomb, which would have taken away all the enemies around you.Interestingly, one more thing, what do you exceed the levels in the level, which will increase and the difficulty of the game. But do not give up. Knock them all. Instructions: Use mouse to play, if play one player. If it’s a two players, the other commands is on keyboard, arrows to steering and buttons “m” and “n” to fire.