Alien Invasion is a shooting game on www.flash-games.net in which your mission is to eliminate the landing race. A dying alien race is trying to land on earth in search for help. However the President has ordered the army to destroy them all. You have your orders. Use your left and right arrow keys to move tanks left and right. Aim at the landing UFO and Click your mouse button to shoot. Fire the UFOs before they can land on earth. Try hitting more than one UFO with the same shot and hit the fastest flying one first. You will lose a life every time a UFO successfully lands on earth, but you gain an extra life each time when you destroy 50 UFO, moreover the UFO will become more and more. When you failed shooting UFO three times the game is over, so be careful! Good luck!