Sorry, maybe my mistake. I'll recheck it about 12 hours later since I cannot connect to steam during the jobtime.

Hi, I don't know why the key does not work. I remember it was bought in an indiegala package while I already had this game. So I write the key on the notepad and sent it on SG this week. Could you please try it again?
If is still not work, pls add me as steam friend. Let's discuss about the solution.