Co-operative multiplayer game and complete code base available for free.
Recent Reviews:
Very Positive (60) - 96% of the 60 user reviews in the last 30 days are positive.
All Reviews:
Very Positive (20,936) - 94% of the 20,936 user reviews for this game are positive.
Release Date:
Jul 19, 2010
Developer:
Publisher:

Sign in to add this item to your wishlist, follow it, or mark it as ignored

Play Alien Swarm

Free Game

 

About This Game

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

System Requirements

    Minimum:
    • OS *: Windows® 7 / Vista / Vista64 / XP
    • Processor: Pentium 4 3.0GHz
    • Memory: 1 GB for XP / 2GB for Vista
    • Graphics: DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
    • Hard Drive: At least 2.5 GB of free space
    • Sound: DirectX 9.0c compatible sound card
    Recommended:
    • OS *: Windows® 7 / Vista / Vista64 / XP
    • Processor: Intel core 2 duo 2.4GHz
    • Memory: 1 GB for XP / 2GB for Vista
    • Graphics: DirectX 9 compatible video card with Shader model 3.0. NVidia 7600, ATI X1600 or better
    • Hard Drive: At least 2.5 GB of free space
    • Sound: DirectX 9.0c compatible sound card
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.

What Curators Say

292 Curators have reviewed this product. Click here to see them.

Customer reviews

Review Type


Purchase Type


Language


Date Range
To view reviews within a date range, please click and drag a selection on a graph above or click on a specific bar.

Show graph



Playtime
Filter reviews by the user's playtime when the review was written:



No minimum to No maximum
Display As:
Show graph
 
Hide graph
 
Filters
Excluding Off-topic Review Activity
Playtime:
There are no more reviews that match the filters set above
Adjust the filters above to see other reviews
Loading reviews...