Game Boy software: Rockman World 4. Boot-up confirmed. Please check the condition and included items in the images. The cartridge has some dirt. The outer box has discoloration. The instruction manual has folds and scribbles. Please purchase only if you understand that this is a used item. It will be placed in a waterproof vinyl bag, wrapped in cushioning material, and shipped in a cardboard box for the Nekopos service.