Present your PowerUp Rewards (Pro) card at any GameStop while trading in Xbox 360 games and get an additional 40% for its store credit value.
As always:
"Trades must be in full working condition to receive full value. Offer good toward games normally accepted in trade only. Cannot be combined with any other offer."

As always:
"Trades must be in full working condition to receive full value. Offer good toward games normally accepted in trade only. Cannot be combined with any other offer."