OpenXcom Extended (OXCE) is the recommended version going forward, and the website and wiki will (eventually) be updated to reflect this. This is the “latest OpenXcom” to play. OpenXcom (OXC) will …

Milestones Nightlies Extras A new milestone is coming soon! Use the latest nightly instead.

OpenXcom is an open-source clone of the original UFO: Enemy Unknown (X-Com: UFO Defense in USA), licensed under the GPL and written in C++ / SDL. It was originally founded by SupSuper in …

OpenXcom Data Patch Translations The OpenXcom translations are fan-maintained and update at a completely different pace from the milestone/nightly builds, so it’s impossible for us to keep them in …

Check the Installation documentation for more details. Milestones Nightlies Extras These builds are automatically generated from the codebase, use these to try the latest features or check if a bug is …

2 days ago · OpenXcom Forum - Index News: If you can't login, please contact us with your username and e-mail so we can fix it.

Mar 14, 2026 · Explore released mods for OpenXcom, including child boards and community creations, to enhance your gaming experience.

Jan 12, 2026 · What’s the deal with OpenXcom Extended? This entry was posted in News on January 12, 2026 by SupSuper. OpenXcom Extended boasts many more features and modding capabilities …

You can also still find old development screenshots archived for posterity.

On Duty Aliens vs Humans – iPhone, iPad A remake of the original X-Com game for the Apple mobile platforms, with very similar graphics and style. OpenApoc – Windows, Linux Port of X-Com …