Alpha Centauri Heaven
Reviews, resources, and information on the various factions.
Apolyton CS - Sid Meier's Alpha Centauri
Game encyclopedia, strategies, interviews, downloads, chat rooms and transcripts, fan fiction, hall of fame, and message boards.
Firaxis - Alpha Centauri
Official site, including news, features, and a gallery of screenshots from the game.
Game Revolution: Alpha Centauri Cheats and Hints
List of possible cheats.
GameSpot
Includes review, news, downloads, screen shots, cheats, and FAQs.
Loki: Sid Meier's Alpha Centauri
Basic information on the Linux port, from the now-defunct Loki Games.
Sid Meier's Alpha Centauri Game Guide
Designer diary, strategies, and discussion on best units.
SMAC/X Active Players
A database of Alpha Centauri and Alien Crossfire Players oriented towards finding other players, technology trees, strategies and pictures.
The Arrival
News, game information, fan fiction, downloads, news, multiplayer ads, tips, cheats, message board, and a chat room.
The Complete Alpha Centauri Quotebook
Compilation of the quotes used in gameplay.
Xenofungus
A collection of strategic scenarios and a "Deep Space Nine" modification pack.