CCG: Kingdom Hearts: Chain of Memories: Contains unlockables and hints.
Chain of Memories: Square's official North American site for the game.
GameFAQs: Kingdom Hearts: Chain of Memories: FAQs, cheats, game saves, reviews, and message boards.
GameSpy: Kingdom Hearts: Chain of Memories: Preview, news, screenshots, and a review.
IGN: Previews, news, images, FAQs, and a message board.
KH: CoM website: Forum, wallpapers, trailer downloads, card guide, fanart, screenshots, and news updates.
Unlimited Gamer: Complete walkthrough, media, information, screens, and other information.
Yahoo! Games Domain: Short article with basic information regarding the game.