Alien Invasion is a shooting game on www.flash-game.net in which you are a pilot. You need to shoot the aliens and the UFO. The aliens can shoot to you. Try to hide under the stones, and the bullets may not hurt you. Be careful! Bullets can destroy the stones. At the first level, you have there opportunities to defeat the aliens. After shot down all the aliens, you can enter the next level. Try your best to shoot the UFO, and it can make you get more scores. If you enter the next level, you can get one more chance to continue this game. Arrow key left and right to move, spacebar to shoot. Are you ready? Let’s fight the aliens! Try your best to get high scores!