Jul 19, 2010 · 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 …

In July 2010 with the announcement of Alien Swarm, it was revealed that Valve had hired the team behind Alien Swarm, who had finished the mod between working on other Valve …

The wiki is dedicated to covering all aspects of Alien Swarm including classes, weapons, equipment, skills, aliens, maps, strategy, walkthroughs, cheats, achievements, and more!

Dec 15, 2025 · Alien Swarm (2010) is a completely free top-down shoot-em-up for up to four co-op players, which is a remake of the Unreal Tournament 2004 mod with the same name, …

Nov 1, 2025 · Alien Swarm: Reactive Drop. Tactical, 8 player co-op action game with a top-down perspective. Available on Steam for free!

Jul 6, 2025 · Blast aliens, grab power-ups, and fight epic bosses in this fun arcade shooter!”. Available for Windows, macOS, Linux.

Alien Swarm: Reactive Drop Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.

Alien Swarm - 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 …

Jul 19, 2010 · Along with the game get the complete code base for Alien Swarm that features updates to the Source engine as well as the SDK. Alien Swarm adds 3rd person camera, …

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 …