OpenXcom

Home: https://openxcom.org/
Media: https://en.wikipedia.org/wiki/UFO:_Enemy_Unknown#Fan-created_content
Inspiration: UFO: Enemy Unknown, X-COM: Apocalypse, X-COM: Terror from the Deep, X-COM: UFO Defense
State: mature
Download: https://openxcom.org/downloads-milestones/
Keyword: remake, strategy, turn-based
Code repository: https://github.com/OpenXcom/OpenXcom.git
Code language: C++
Code license: GPL-3.0

OpenXcom requires a vanilla version of the original UFO: Enemy Unknown / X-COM: UFO Defense (any edition) with the latest patch.

Building