Alien Shooter 1 A Shooting Game, Download Free; Alien Shooter 1 A Shooting Game, Download Free. Like. Like Love Haha Wow Sad Angry. 3 1 1. As from its name alien shooter 1 is a shooting game. The idea of this game is that aliens have attacked on earth. They are going to end everything. You are the last hope of us. Alien Shooter 1, a single player shooting game against aliens attack for pc.