- Metroid Database
- Includes manuals, reviews, walkthroughs, maps, artwork, and FAQs for each title, news, fan works, and utilities. - Metroid - Official site for Metroid Fusion, Prime, and Zero Mission. Contains game overviews, details of items, equipment, and characters, and series history. Requires Flash.
- It's Out There... - Information, fan fiction, and pictures for all three Metroid games.
- Metroid Alert 2 - Metroid Revolution - Contains description of games, with cheat codes.
- Metroid Evolution - Contains ideas and suggestions for future Metroid games, with analysis of games.
- Metroid Evolved - Includes story, cheat codes, gameplay hints, and music.
- Metroid Force - Provides pictures, Samus biography, game descriptions, weapons and items glossary, Metroid Prime walkthrough, music, and maps.
- Metroid Prime 2 Echoes Tips and Help - This site is to help you play 'Metroid Prime 2 Echoes'. It will provide tips and help on how to beat the game.It also has some screen shots of the game.
- Metroid Temple - Contains forum, with discussion of series game.
- Metroid WebRing - Offers list of fan sites.
- Milo Inc. - Contains artwork, with chatroom.
- Open Site - Metroid Series - Includes information, developer details, and review overviews.
- The Lair of Metroid - Contains pictures, maps, news, character biographies, and forums.