The Vesuvius has been swarmed by an Enemy Horde. Your marines must fight their way to safety, regroup, and then mount a counterattack. Part of the Saga...
Inspired by the game Space Hulk, it allows you to play as alien assault team taking on a derelict space ships infested with deadly aliens. Through many long years of training, equipped with specialized armor/weapons, each unit is tasked to take on the most dangerous alien species ever encountered.
You can play custom campaign missions
checkout some other mods: