Originally Posted by Bunnyman
Go ahead and put in the code. Hopefully it will stay in our game lists. And you should get the hat later if you ever decide to get TF2.
(At least that worked in the past when I gifted my brother the L4D2 before it was released and he bought TF2 a month later and still got Bill's Hat.)
Agreed. It worked for me and the code for the Devil's Playhouse. I wasn't expecting to buy TF2, but when I finally did about 5 months later, the first thing I came across was a nice Max hat!