"Valid for Assassin's Creed IV: Black Flag, Assassin's Creed IV: Black Flag Deluxe Edition, Assassin's Creed IV: Black Flag Season Pass and Assassin's Creed IV: Black Flag Deluxe Edition + Season Pass ONLY."
"25% off The Walking Dead:Season 2, Chivalry: Deadliest Warrior, LEGO Marvel Superheroes, Blood Knights, Alien Rage, XCOM: Enemy Within, as well as all the PC digital versions of Assassinís Creed IV: Black Flag."
Good luck with the codes and enjoy the games. Please post once you've taken a code so we know when they're gone, and please only take 1 in the interest of sharing. And remember, these codes are for GMG. I don't know whether they'll work for steam.
"PC has a $0 a year maintenance fee. The only money I put into my PC is buying more games. Have fun with your subscription based gaming." -SirisS-G-P