Company Sigma Team created these great apps:
Alien Shooter - Survive, Alien Shooter - The Beginning, Alien Shooter - classic, Crazy Lunch, Alien Shooter - Lost City, Zombie Shooter: Dead Frontier, Alien Shooter - Remastered, Alien Shooter TD, Alien Shooter 2 - The Legend, Alien Shooter 2 - Reloaded, Alien Shooter - Last Hope, and others..
