Game Description:Join the ultimate battle for Yu-Gi-Oh! supremacy as the Yu-Gi-Oh! World Championship 2007 comes to Nintendo DS. This is the official software of the 2007 Yu-Gi-Oh! World Championships, giving you a chance to sharpen your skills in preparation for the world's biggest Yu-Gi-Oh! competition in Summer 2007. Yu-Gi-Oh! World Championship is truly worldwide, with the DS WiFi connection giving you the chance to battle anyone, anywhere. Your arsenal is a deck of more than 1,600 of the latest Yu-Gi-Oh! cards, with even more to download. Use the DS mic to engage in pregame voice chats, then take your customized character and best-built deck to battle.