Free Download Alien Swarm Full Version Game on Steam

Alien Swarm is a Free game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community.Alien Swarm Full Version Game available in Single-player mode as well as in Multi-player mode.
Alien Swarm multi-player 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.

Alien Swarm Game Features

• 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
• Powered by Source and Steam
• Tile-based map generation tool

Free Download Alien Swarm Game