Just get rid if the one that you play the least. I love my GOT but for whatever reason i find myself playing it the least of all my games here lately so if i were facing the same dilemma as you are, i would have to consider letting it go even if it is a better game than other ones that i have. If its not being played much then replace it with a game that you will play alot. Regardless of which game you choose to let go, you are going to be playing IMDN way more than the game that leaves so its going to be a good trade no matter what.