Shoot the aliens save the world. Throw grenades and launch rockets. All sorts of mechanisms to help you. Alien Killer is a great Puzzle game. You can play this game here at my1001games.com totally free. Alien Killer has been played 1639 times. It has received 20 yes and 12 no votes. It has a score of 62. If you liked playing this Gravity game than you should try Flip Bottle and Tower Crash 3D. Have fun!
Instructions: Use your mouse to play this game.