The biggest Yu-Gi-Oh! video game ever, Yu-Gi-Oh! Ultimate Masters - World Championship Tournament 2006 contains more than 2000 cards, including many of the latest Structure decks from the trading card game as well as cards from the new Yu-Gi-Oh! GX universe. Preserving the game's classic strategic elements of traps, monsters and spells, the new cards allow for more offensive and defensive tactics than ever before, providing the most accurate and in-depth simulation of the best-selling trading card game. Each copy of Yu-Gi-Oh! Ultimate Masters - World Championship Tournament 2006 will also come with three limited edition official trading cards from the new GX universe.
Yu-Gi-Oh! Ultimate Masters - World Championship Tournament 2006 includes several all-new gameplay modes, giving players even more ways to enjoy the game's fast-paced tactical card action. Duel Puzzle mode challenges the player to complete a series of objectives that must be finished in just one turn, while Limited Duel mode sets specific restrictions on the structure of each deck and the moves available to each player. The new Theme Duel mode gives the player a series of conditions to satisfy in order to achieve victory, such as activating ten traps in a duel or causing 10,000 or more points of battle damage during a duel. Players can test their card skills and endurance in the Survival Duel mode, in which players take on a series of opponents, seeing how far they can advance against their enemies with a limited number of life points. Players can also choose to play Yu-Gi-Oh! Ultimate Masters - World Championship Tournament 2006 alone or with a friend, using the link capabilities of the Game Boy Advance.