Competitors will be using the Yu-Gi-Oh! World Championship 2007 video game for the Nintendo DS. The game contains more than 1,600 cards to collect and new modes of play that let duelists hone their skills to perfection. Taking advantage of the wireless capabilities of the Nintendo DS,
Yu–Gi–Oh! World Championship 2007 features extensive support for online play and community building through the Nintendo Wi–Fi Connection service. Players will be able to compete with others in online head to head play and can use voice chat to communicate with their opponent as they trade cards or prepare to battle.