GameFAQs
Includes information, reviews, FAQs, guides, codes, secrets, and a message board.
GameSpot
Offers review, screen shots, news, movies, cheat codes, and FAQs.
GameSpot - Review
Review, by Gerald Villoria: "Dark Duel Stories comes recommended to avid enthusiasts of the Duel Monsters card game, as well as players who are interested in trying out a new card game with plenty of replay value." [Score: 6.2 out of 10]
Konami Digital Entertainment
Official publisher's site. Includes information, features, and screenshots.
Nintendo
Official site. Provides information and media.