Alien Swarm
Free·95% positive·Windows
ActionFree To Play
Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community. Available free of charge, the game thrusts players into an epic bug hunt featuring a unique blend of co-op play and squad-level tactics. With your frien
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Free to PlayCo-opActionMultiplayerOnline Co-OpAliensShooterSci-fi
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