Can Yugi and Jonouchi escape the subterranean maze of the Labyrinth Brothers, or will they be buried with their cards? Maybe they'd be safer underground, because Kaiba, the world's former greatest gamer, is back! On the towers of Pegasus Castle, Yugi and Kaiba fight their third Duel Monsters battle, with everything at stake. But this time, Kaiba is fighting for more than his own pride; he's fighting to save his brother. And there's nothing more dangerous than a gamer with nothing left to lose…