This guide show you the gameplay. Firstly, to catch the right imposters among us, Alien Catcher: Area 51 Guide will show you how to use a piece of special scan equipment to find them. Imposters may replace your family members, neighbors, chicken, or even a tree. You should scan anything to see what is really inside it. Then use fancy guns to shoot aliens quickly and make them weaken before they return to UFOs. Be careful, you may harm real humans and lose the game if you shoot the wrong target.

This guide will show you how to catch all imposters you can see and you will receive an award each time you win. Especially, you can merge aliens into new superior ones in UFO labs.