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Valve Releases Updated Alien Swarm For Free With Code Base

baronvoncarson tips news that today Valve released an updated version of Alien Swarm, a popular Unreal Tournament 2004 total conversion mod. The creators of the mod were hired by Valve, and they've helped turn it into a stand-alone game running on the Source engine. Valve is also releasing the code base for Alien Swarm and an SDK. The game is available for free on Steam.

2 of 164 comments (clear)

  1. Free by Peach+Rings · · Score: -1, Redundant

    I don't really get how they can release UT engine games like that for free... don't they have to pay licensing fees to distribute the executable (like, not just a mod that requires UT2004)?

    Tremulous uses 2k4 code too, and doesn't require UT2004, and it's free.

    1. Re:Free by kcbnac · · Score: 1, Redundant

      From the summary: "The creators of the mod were hired by Valve, and they've helped turn it into a stand-alone game running on the Source engine."

      They hired the team that made it for the Unreal engine, and had them re-create it with the Source (Half-Life 2 etc) engine.