Alien Swarm is a FREE game by Valve that thrusts players into an epic bug hunt featuring a unique blend of co-op play and squad-level tactics. With your friends, form a squad of four distinct IAF Marine classes. Plan your attack using an unlockable arsenal of weapons with countless loadout configurations against a wide variety of aliens. Blaze your way through an overrun, off-world colony, eradicating the alien infestation in environments ranging from the icy planet's surface, to a subterranean lava-flooded mining facility.



- 4 player co-op action game with a top-down perspective
- 4 unique classes and 8 unique characters
- Over 40 weapons and equipment with countless loadout configurations
- 64 achievements
- Custom campaigns, maps, mods and weapons

Official Website[www.alienswarm.com]
Steam Store
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