GameStop is a national video game retail chain that sells, buys and trades new and used video games, video game systems and accessories. The store carries a huge selection of new and used games for the following game consoles: Xbox, Xbox 360, PlayStations 1,2 and 3, Nintendo Wii, Nintendo GameCube, Nintendo Gameboy Advance and PSP. Also available are gaming magazines and guides, cleaning products, gift certificates and the store's Edge discount card which saves the customer 10-percent off all used games, used accessories and strategy guides and a offers a 10-percent bonus trade credit when trading used games or accessories in store.