I went to my local GameStop today and they asked if I wanted to donate $1 to benefit St. Jude Children's Hospital. When my receipt printed they highlighted the following:
We sincerely thank you for making a donation to the children at St. Jude. Please bring back the following code between 12/26/13 through 1/5/14 & receive 10% off the purchase of a pre-owned game.
The GameStop employee said it will stack with the regular PUR discount. Not sure if anyone is aware of this yet. I Googled the following for extra info.
I'm sorry if this has already been posted, but I couldn't find anything in the forums.