The first of the Yu-Gi-Oh Duel Monsters series for the Game Boy. Released in 1998, the game incorprates the popular Duel Monsters OCG onto a GB cartridge. This game has a different set of rules from the OCG. You also get to duel characters from the series, such as Yugi Mutou, Katsuya Jounouchi and Seto Kaiba.

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