10th grader Yugi spent most of his time alone playing games--until he solved the Millennium Puzzle, a mysterious Egyptian artifact! Possessed by the puzzle, Yugi becomes Yu-Gi-Oh, the King of Games, and challenges evil-doers to the Shadow Games--weird games with high stakes and high risks!

Notes: This is a section of the original series and contains the Duelist Kingdom and Battle City arcs. Originally just called , Viz renamed it to its current name.

This series continues in .