Downloads, scenarios and FAQ.

Reviews, resources, and information on the various factions.

Bugs, patches, tutorials and files.

Game encyclopedia, strategies, interviews, downloads, chat rooms and transcripts, fan fiction, hall of fame, and message boards.

Official site, including news, features, and a gallery of screenshots from the game.

List of possible cheats.

Basic information on the Linux port, from the now-defunct Loki Games.

Designer diary, strategies, and discussion on best units.

A database of Alpha Centauri and Alien Crossfire Players oriented towards finding other players, technology trees, strategies and pictures.

Offers cheats, demos, downloads, pictures, reviews, strategies, and wallpaper.

News, game information, fan fiction, downloads, news, multiplayer ads, tips, cheats, message board, and a chat room.

Compilation of the quotes used in gameplay.

Technology tree information.

Fan site for the 'University of Planet' faction, with pictures and information on various characters.