This is the Japanese version of Pocket Monsters Gold for the Game Boy Color, released in 1999. Operation has not been confirmed. There are markings from a magic pen on the upper part of the back. - Model Name: Pocket Monsters Gold - Compatible System: Game Boy Color - Region: Japanese Version - Release Year: 1999 - Game Genre: RPG *Please understand this is a used item before purchasing. *We will ship with simple packaging.