GameStop Smith Haven Mall, Lake Grove, NY11755 Gamestop is a video game store within the Smith Haven Mall. They carry all brands of major video game consoles including…More Playstation 3, XBox 360, and the Wii. They also have popular mobile gaming devices including the PSP and Nintendo DS. They carry a variety of new and used games and they accept trade-ins. They usually have specials and discounts on certain games, so check out their website to see what sales are offered.