How to Play?

Best Free Alien Base Fighter Game. Alien Base Fighter is a great game for all shooting game lover where you can have a lot of fun busting aliens. Purpose of the game: in this game you have to shoot at the aliens from your military Humvee vehicle and destroy them. There are swarms of aliens attacking earth and you have to shot down as many as possible. You can only shoot down the alien ship passing from right above you. There is no aiming in this game. The more aliens you shoot down the more points you get. The one to shoot the most number of aliens tops the leader board. How to play: The main keys in this game are the left and right arrow keys and the space-bar. Use the left arrow key to move your vehicle forward and use the right arrow to move your vehicle back. Press he space bar to shoot at the aliens. Special Trick: Think fast. Your weapon takes a while to fire. So you need to shoot with such timing that it hits the alien while its passing from above you.