Augmented reality is one of the popular technologies in the gaming world. Alien Shooter which is now available on Augmented Reality. Alien Shooter is all about shooting the aliens and saving the planet from them. But to play this game on Augmented Reality, you will be needing the print of it's “tracker”. Tracker is a piece of paper on which you can play this game. Every AR game will have its own tracker. Try this now. Know more about this from us.