

SteamDB has been running ad-free since 2012. Alien Swarm had an all-time peak of 60467 concurrent players on 20 July 2010. Alien Swarm adds 3rd person camera, depth of field, improved dynamic shadows and a wide variety of gameplay additions to the Source engine. How many players are playing Alien Swarm right now on Steam Steam player counter indicates there are currently 67 players live playing Alien Swarm on Steam. Along with the game get the complete code base for Alien Swarm that features updates to the Source engine as well as the SDK. 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. Plan your attack using an unlockable arsenal of weapons with countless loadout configurations against a wide variety of aliens.

With your friends, form a squad of four distinct IAF Marine classes. 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. Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community.
