X-COM: Apocalypse
X-COM: Apocalypse (PC, 1997) has an open-source reimplementation, OpenApoc/OpenApoc.
Data checked 2026-10-12 · unbaked registry
Projects
ReimplementationX-COM Apocalypse re-creation597 starspushed 2026-09-16GPL-3.0 licenserelease 20260408
Opensource rebuild of the XCOM Apocalypse Engine that requires the original files to run.
Latest release 20260916 (2026-09-16); runs on Windows; by OpenApoc; listed in Quiver Launcher catalog
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 releaseReimplementation201011k2026-10-12Found via quiverlauncher.com/apps/x-com-apocalypse-openapo
GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.