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 players …

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 products such as …

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!

Dec 26, 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, created by …

Jul 6, 2025 · Blast aliens, grab power-ups, and fight epic bosses in this fun arcade shooter!”

Sep 24, 2025 · Discover the latest updates on Alien Swarm – news, upcoming releases, and in-depth walkthroughs. Stay ahead with expert reviews, guides, and exclusive gaming insights.

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 is a free game by Valve which you can download on Steam. It's based on a Unreal Mod, but here, you have a top-down 4 players co-op game. You can choose between 8 characters (two by …

Dec 10, 2025 · Alien Swarm is a singleplayer and multiplayerbird's-eye viewaction and shooter game in the Alien Swarm series.