Strange 8-bit is enough thing on games list.

I was redownloading a few telltale games to my new laptpop(like Muzzled) and I noticed I have 2 serial codes for 8-bit is enough, I did click on the free 8-bit is enough link on trogday, hoping to get a different game since I already own it, and well now I have 2 serial codes, most likely one from when I bought the season dvd, and 1 from the free day. Does this other serial code at all effect anything, or can I just post the second code up for grabs.
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