Please read the profile before purchasing. Game Boy GB Cartridge only ONI ON Ⅴ I confirmed startup and the opening sequence on a Game Boy Color. I do not guarantee startup on all models (including compatible consoles), nor do I guarantee functionality. Please check the condition in the images. Please note that the battery and save functions are unknown. Please refrain from purchasing if you are overly concerned about condition. Returns and refunds are not accepted. If you have any concerns, please do not purchase from me, and instead, buy from another seller or a store.