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 …

6 days ago · 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, created …

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

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

Nov 1, 2025 · Improved alien navigation around first biomass. Fixed marines may get stuck there as well.

Alien Swarm is an overhead view tactical squad-based shooter for UT2K4. Set in the the distant future, the players take the role of a Commander in the Interstellar Armed Forces.

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.

Dec 10, 2025 · Alien Swarm is a singleplayer and multiplayer bird's-eye view action and shooter game in the Alien Swarm series.

Meanwhile, many aliens (known as Swarm) will attack the players from all sides. Swarm can spawn unpredictably, and will often attack the players with mobs of enemies, as described by …