Use your arrows or W, A, S and D keys to move and your mouse to aim and shoot. Play the alien in this fun shooting game featuring 15 challenging levels. You control the alien in his flying saucer. Take down the enemy robots. Collect diamonds and upgrade your weapons. There are 9 powerful weapons and 4 special powers you can use to create more destruction. Arm the alien with guns in the inventory screen. Are you skilled enough to unlock all 24 achievements? If you are, you will have an awesome time playing Alien vs Robots!