GameStop offers four used games priced $4.99 or less for $10. (Add four games to your cart to see this discount.) Alternatively, add four used games priced at $9.99 or less to your cart for $20 or four used games priced at $17.99 or less to your cart for $40. That's a savings of up to $32. Shipping starts at $5.99. Save on hundreds of games for PlayStation 3, Xbox 360, Nintendo Wii, and Nintendo DS, PlayStation 4, and Xbox One. Deal ends October 15.