GameStop offers four used games priced $4.99 or less for $10. (Add four games to your cart to see this discount.) Shipping starts at $5.99, although coupon code "SAVER" bag free shipping on orders of $25 or more. That's a savings of at least $10. Save on hundreds of games for PlayStation 3, Xbox 360, Nintendo Wii, and Nintendo DS, PlayStation 4, and Xbox One.