Game Boy software. Operation has been confirmed. Please check the condition of the product in the images. As a bonus, Tamagotchi 2 will also be included. This is a listing for the software only. Since it is an old item, please be aware that the internal battery may be dead. Also, please understand that this is a used and old product. Thank you very much. Please consider purchasing if you understand that this is a used item that has been stored at home for a long time. Thank you very much. Thank you for viewing.