Yu-Gi-Oh! World Championship 2007 Tweet Description Includes 3 limited edition official game cards: Spell Striker, Exploder Dragon and Destiny Hero - Disk Commander. Details Genre: Strategy Release Date: March 15 2007 Developer: Konami Computer Entertainment Japan ItemNo: NTR-AY7E-USA MSRP: 69.99 Platform: Nintendo DS Publisher: Konami Rating: E (ESRB) Region: North America Title: Yu-Gi-Oh! World Championship 2007