All-Reviews.com
[4/4] Review of GBC version by Tom Allen. "...you must get this game, even if it means buying a Game Boy Color just to play it."
GameFAQs
Includes links to walkthroughs, FAQs, maps, and Game Shark codes.
IGN.com
[8/10] Review of the GBC version by Craig Harris. Offers screen shots and link to game help. "I really enjoyed playing Crystalis, but Zelda trounces it left and right."
Nintendo
Official site of the GBC version. Includes support FAQs, screen shots, game features, a short review, and a strategy guide.