or the first time, the Yu-Gi-Oh! World Championship Tournament series makes its way to the Nintendo DS™. The official software of World Championship 2007 makes worldwide wireless dueling possible utilizing the Nintendo Wi-Fi connection. The game will include 1,600 of the latest cards and more cards will be available for download. Create your best Deck and prepare for the World Tournament in the Summer of 2007. World Championship 2007 uses the same card packs from Spirit Caller as well, as additional standard packs, TYPE and ATTRIBUTE collections.