Source SDK Help?

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HigherTomorrow

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Jan 24, 2010
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Hey, my friend is trying to install Zombie Master and Zombie: Panic Source. He also downloaded Alien Swarm, which should have come with the Source SDK. However, there's no Source SDK in his tools list. What's going on here? He can't play either games without the Source SDK, and to be honest, it makes no sense, as his Alien Swarm works fine. Please, help!
 

HigherTomorrow

New member
Jan 24, 2010
649
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No. However, I don't either; I just have L4D. STEAM itself lists Alien Swarm as a game that comes packaged with Source SDK. It just doesn't show up in the tools page.