Civilization III
Civilization III (PC, 2001) has an open-source reimplementation, C7-Game/OpenCiv3.
Data checked 2026-10-12 · unbaked registry
Projects
ReimplementationC#/Godot665 starspushed 2026-10-11MIT licenserelease v0.3-dutch-preview-1
OpenCiv3 is an open-source, cross-platform, mod-oriented, modernized remake of Civilization III by the fan community built with the Godot Engine and C#, with capabilities inspired by the best of the…
Semi-playable, very active Godot/C# remake
What you need
You need your own copy of the game: these projects ship code only.
More on PC
GameMethodYearStarsLast push
PCMindustrySource releaseAgent environment201929k2026-10-11PCosu!Source releaseReadable bytecode+1200719k2026-10-12PCCommand & Conquer Remastered CollectionSource release202021k2025-01-16PCRollerCoaster Tycoon 2ReimplementationAgent environment200216k2026-10-12PCDune 2000Reimplementation199818k2026-10-11PCAge of Empires IIReimplementation199914k2026-10-03PCCataclysm: Dark Days AheadSource release201313k2026-10-12PCCivilization VSource releaseReimplementation201011k2026-10-12GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.