Play Yu-Gi-Oh! Duel Monsters 4: Battle of Great Duelist online in your browser and enjoy with Emulator Games Online! Yu-Gi-Oh! Duel Monsters 4: Battle of Great Duelist is GBC game USA region version that you can play free on our site. This game has adventure, rpg, card, anime genres for Game Boy Color console and is one of a series of Yu-Gi-Oh! games.