Game Boy Color Software "Pocket Monsters Crystal Version" ★ Operation confirmed on Retro Freak For software with backup functionality, since it is installed and played on the Retro Freak, the presence or absence of the backup battery is unknown. I confirmed the operation at the time of listing, but it may not start depending on the condition of the buyer's main unit. (Operation is not guaranteed) This is a used item, so there are scratches, damage, sunburn, and dirt. Please understand that we cannot show all of the scratches and dirt in the photos, so please purchase only if you agree. Also, it may look clean in the photos due to the lighting. Please refrain from purchasing if you are concerned about scratches or damage. ※ No box or instruction manual ※ No price negotiation ※ Simple packaging Game Boy Color GB Game software I am also selling other game software #pa_games 081125