"Monster World" is the seventh volume of the Yu-Gi-Oh! manga. It is the last manga titled Yu-Gi-Oh! in the English series, as the next volume part of the Yu-Gi-Oh! Duelist series.

In the Japanese version, this volume went up to chapter 60. This was the first chapter in the Duel Monsters centered universe, so in the English manga it was excluded and added as chapter 1 of the next volume, which is the first volume of Yu-Gi-Oh! Duelist.

ChaptersEdit

Image	Number	English title	Japanese title
	Duel 52	Millennium Enemy 3: The Fumble of Doom	千年の敵３ -モンスター・ワールド-
			Millennium Enemy 3: The Fumble of Doom
	Yugi and his friends continue to play Monster World with Dark Bakura. In the game, they encounter a stranger, who has been attacked and decided to help him.
	Duel 53	Millennium Enemy 4: Role-Playing Miniatures	千年の敵４ -役割の人形-
			Millennium Enemy 4: Role-Playing Miniatures
	Dark Bakura continues to seal more of his opponents' souls in miniatures, as they play Monster World.
	Duel 54	Millennium Enemy 5: Stop the Run of Criticals!	千年の敵５ -連続クリティカルを阻止せよ！-
			Millennium Enemy 5: Stop the Run of Criticals!
	Dark Yugi rolls for his friends, who are trapped in Monster World figures, as they battle the monsters formed from Dark Master Zorc's hand. Suspecting foul play, Dark Yugi decides that he must stop Dark Bakura's "Run of Criticals".
	Duel 55	Millennium Enemy 6: The Traps of Zorc Castle	千年の敵６ -ゾーク城の罠-
			Millennium Enemy 6: The Traps of Zorc Castle
	Yugi, Jonouchi, Anzu and Honda enter Zorc Castle, where they get caught in a trap and rely on Dark Yugi to rescue them.
	Duel 56	Millennium Enemy 7: I'll Fight Too!	千年の敵７ -僕も闘う！ -
			Millennium Enemy 7: I'll Fight Too!
	The adventurers battle Zorc at Zorc Castle. Despite the double hit being outlawed, Dark Yugi and Dark Bakura have ways of influencing their dice rolls.
	Duel 57	Millennium Enemy 8: Fight! Fight!!	千年の敵８ -バトル！ バトル！！-
			Millennium Enemy 8: Fight! Fight!!
	As the adventurers continue to battle Zorc, they are aided by Ryo Bakura, who hinders Dark Bakura's play.
	Duel 58	Millennium Enemy 9: The White Wizard Bakura	千年の敵９ -白魔導士バクラ-
			Millennium Enemy 9: The White Wizard Bakura
	The adventurers, joined by the white wizard Bakura battle Zorc, who changes into his final form, Last Zorc.
	Duel 59	Millennium Enemy 10: The Last Die Roll	千年の敵１０ -奇跡のダイス・ロール
			Millennium Enemy 10: The Last Die Roll
	Dark Yugi and his friends finish their game of Monster World with Dark Bakura. The result of the game rests in a final dice roll between both sides.

The following chapter was only included in the Japanese version of this volume.

Image	Number	English title	Japanese title
	Duel 60	Challenge!!	挑戦！！！
			Chōsen
			Challenge!!!
	Yugi and his friends watch the Japanese Duel Monsters tournament finals on TV, before Yugi opens a package from Industrial Illusions, containing a recording of Maximillion Pegasus, the creator of Duel Monsters.