Team Artail
- Fan art gallery, fan fiction, music, sound clips and information on the games and cartoon.
- http://www.teamartail.com/
The Green Hill Zone - Series history, game zone descriptions and screens, character descriptions, and multimedia. - http://www.theghz.com/
Sonic the Hedgehog Online Fun and Games - Offers sprites, images, and flash games. - http://www.dan-dare.org/Dan%20Sonic/Dan%20Sonic%20Hedgehog%20Gallery.htm
Spacecolony ARK - Offers wallpaper, information, and screenshots. - http://spacecolony.sp.ohost.de
NeoPortal Sonic - Offers screenshots of the games. - http://sonic.neoseeker.com/
Shadow of a Hedgehog - Images, music, and resources. - http://sonic.planets.gamespy.com/
Sonic X Network - Message board with off-topic, console, and character discussions. - http://s7.invisionfree.com/sonic_x_network/
The Sonic Center - Time Attack competitions and information. - http://www.soniccenter.org/
Sonic Zone - Character bios and game data. - http://sonikku.com/
Sonic World - Background information on the games and cartoons. Offers MIDIs, fan art and other creations, and forum. - http://www.sonicworld.net/
SonicVerse Team - Online comics, games, art, music, and fan fiction. - http://www.sonicverseteam.com
The Sonic Stadium - News, information, forums, and chat. - http://www.sonicstadium.org/
The Sonic Foundation - News, information, music, art, and fiction. - http://www.sonicfoundation.org/
Sonic HQ - Contains information on the games, comics, cartoons, downloads, fan fiction, and music. - http://www.sonichq.org/