#6390300, By kcorb Alien Swarm

  • kcorb 22 Jul 2010 13:08:49 2,147 posts
    Seen 3 years ago
    Registered 10 years ago
    I believe it is free because this is Valve's response to the UDK, Unity, and other free tech/tools that are available. The complete source code is given as an example for the Source Engine. Valve doesn't want to get kicked out of the game just yet I suppose.
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