2657 plays since 2007-11-01
The evil power is invading the earth! They have sent innumerable battle planes to conduct air attacks. As a brave soldier, you must fight against invaders so as to protect the earth, your mission is to shoot down as many enemy planes as possible. There is no certain rule. The only rule here is to fire, fire and fire. As you go on to the advanced level, the plane number will increase as well as their flying speed. So you?d better focus your attention and improve your accuracy. Good luck!