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.

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Alien Swarm
Platform
Windows
Developer & Publisher
Valve
Engine
Source
Contact
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Official Page
Alienswarm.com
Release Date
Released 2010
Game Watch
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Member Statistics
Members
607
Online
2
Views
2,898,077
Views Today
846
Last Online
Terrorist495
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Dude Online 12 minutes ago
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56er Online 12 minutes ago
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`DarcK Online 24 minutes ago
Raygoza
Raygoza Online 30 minutes ago
[UK]RookieAndrew
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JohnnyTheWolf
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[Night_Stalker]
[Night_Stalker] Online 1 hour ago
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