Yu-Gi-Oh! ( Ygi?, lit. Game King) is a Japanese manga series about games created by Kazuki Takahashi (Studio Dice). It was serialised in Shueisha's Weekly Shnen Jump magazine between September 30, 1996 and June 2004. The plot follows the story of a boy named Yugi Mutou, who solves the ancient Millennium Puzzle, and awakens a gambling alter-ego within his body that solves his conflicts using various games.