Konami is developing a new installment in its Yu-Gi-Oh! Duel Monsters series for the Game Boy Advance, according to GameSpot.com. Yu-Gi-Oh Duel Monsters: Become the Duel King! is scheduled for release in Japan on October 13 for 4,800 yen. The game is said to contain the most cards of any Yu-Gi-Oh! game to date and feature a tutorial mode to help players who are new to the series learn the card game rules with quizzes and minigames.