Civilization IV, for the PC.
Related categories 3
1 Big Community: Civilization Forums
Discussion forums covering Civilization III and IV strategy, multiplayer and modding/customization.
2k Games: Civilization IV
Official support site. Includes technical support FAQ, developer weblog, comparisons against previous games in the series, mods and downloads.
The Atlas Project
Alternative random map generator software. Includes manual, downloads, screenshots and release history.
Civilization on Civpax.com
News, tips and downloads for Civilization games.
Previews, press releases, news, screenshots, and videos.