Originally Posted by nomecopies
I didn't knew that... I bought Devil's Playhouse but didn't get any Steam code
I believe only preorderers got a Steam key.
There was a TF2 cross-promotion. People who preordered The Devil's Playhouse received Max's Head in TF2. So they made an exception and handed out Steam keys. That was the first time. Poker Night was the second exception. Those are the only two, I think?