Yu-Gi-Oh! Ultimate Masters: World Championship Tournament 2006 is the most comprehensive Yu-Gi-Oh! title on the GBA. It features a staggering 2,000+ cards, including all cards released in the OCG up to that point. The game introduces various challenge modes where players must win under specific restrictions, forcing them to innovate and master diverse deck archetypes. With perfect adherence to the official rules and a massive roster of duelists, it is the ultimate training ground for any card game enthusiast looking for a deep, competitive experience.