Clearing out some old keys - for games that I already own or don't want.
Source: Humble Weekly Bundle: Play and Create with GameMaker - Sep 2015

As there is always a chance that a key might not work (especially for old bundles), I kindly ask for your permission to remove this giveaway if that happens. It would be much appreciated.

Please enter only if you don't own the base game. Before sending the key, I will check the winner for this.