About Alien Swarm
Co-operative multiplayer game and complete code base available for free.
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 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 aliens. 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. 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, depth of field, improved dynamic shadows and a wide variety of gameplay additions to the Source engine. Tactical, 4 player co-op action game with a top-down perspective
Complete game code and mod tools
Unlock persistent items by gaining levels
Over 40 weapons and equipment with countless loadout configurations
4 unique classes and 8 unique characters
Matchmaking, Steam Cloud, Steam Stats
64 achievements
Tile-based map generation tool
Powered by Source and Steam
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Start tracking for free →Frequently asked questions about Alien Swarm
How long does it take to beat Alien Swarm?
The main story of Alien Swarm takes approximately 3.5 hours to complete. Total completion time may vary depending on playstyle and difficulty.
What genre is Alien Swarm?
Alien Swarm is a Shooter, Action game, released in 2010.
Is Alien Swarm worth playing?
Alien Swarm is a shooter game from 2010. Fans of this game often enjoy titles like Alien Shooter, Crimsonland, Nuclear Throne. You can add it to your backlog on nxto.app to track it.
What games are similar to Alien Swarm?
Games similar to Alien Swarm include: Alien Shooter, Crimsonland, Nuclear Throne, Hotline Miami 2: Wrong Number, Aliens: Dark Descent, Hotline Miami, Ruiner, Nex Machina, Sky Force Reloaded, Serious Sam: The First Encounter. You can discover and track all of them on nxto.app.