There are a lot of rewards credit cards with low interest rates that allow you to earn rewards on purchases, including GameStop purchases. You can choose to earn cash back, bonus points or miles rewards. Some cards come with 0% intro APR periods on purchases or balance transfers. The ongoing APRs will depend on your credit score. For example, if you apply for a Discover it card, you will be able to earn 1% cash back on all purchases and up to 5% cash back in rotating categories. This card has a 14-month 0% intro APR period and no annual fee.