Get 20% off used games at GameStop

Christmas has come and gone. Y'know that means -- trading in the lackluster games your family sent you for the holidays. If you have any GameStop store credit lying around, this might be a good opportunity to start shopping. Print this coupon and go to your local GameStop retail store. You'll be able to get 20% off your used PS3 game purchases. Limit 3 games per coupon; offer expires 1/22