Unable to confirm functionality as the main unit is missing. The box has peeling, holes, and scratches. There are also places where the ears are about to come off. Please check the images. We are looking forward to your purchase if you can accept the poor condition of the box and the fact that the operation has not been confirmed. We will ship via vinyl, bubble wrap, and Takkyubin Compact. SEGA Mahjong game cartridge, compatible with SC-3000 and SG-1000. - Game Title: Mahjong - Compatible Systems: SC-3000, SG-1000 - Brand: SEGA - Item Type: Game Cartridge Thank you for viewing.