Play fun games and save the humanity!

How do we fend off the aliens? Well, in the movies there are usually complicated strategies and secret weapons involved. But sometimes you just want to play fun games and not think too hard! In this game you know exactly where the alien threat comes from and happen to have some ammo with you. Saving the Earth has never been so simple! Blow the monsters up and don't let a single one get away, or the humanity is doomed!