Game Revolution: Alpha Centauri Cheats and Hints
- List of possible cheats.
- http://www.gamerevolution.com/oldsite/games/codes/pc/alpha_centauri.htm

Firaxis - Alpha Centauri
- Official site, including news, features, and a gallery of screenshots from the game.
- http://www.firaxis.com/smac/

GameSpot
- Includes review, news, downloads, screen shots, cheats, and FAQs.
- http://www.gamespot.com/pc/strategy/sidmeiersalphacentauri/

Sid Meier's Alpha Centauri Game Guide
- Designer diary, strategies, and discussion on best units.
- http://www.gamespot.com/features/alpha/

The Complete Alpha Centauri Quotebook
- Compilation of the quotes used in gameplay.
- http://www.generationterrorists.com/quotes/smac.html

Loki: Sid Meier's Alpha Centauri
- Basic information on the Linux port, from the now-defunct Loki Games.
- http://www.lokigames.com/products/smac/

Apolyton CS - Sid Meier's Alpha Centauri
- Game encyclopedia, strategies, interviews, downloads, chat rooms and transcripts, fan fiction, hall of fame, and message boards.
- http://apolyton.net/smac/

The Arrival
- News, game information, fan fiction, downloads, news, multiplayer ads, tips, cheats, message board, and a chat room.
- http://ac.strategy-gaming.com/