# OpenXcom - Home: https://openxcom.org/ - Media: https://en.wikipedia.org/wiki/UFO:_Enemy_Unknown#Fan-created_content - Inspirations: UFO: Enemy Unknown, X-COM: Apocalypse, X-COM: Terror from the Deep, X-COM: UFO Defense - State: mature - Download: https://openxcom.org/downloads-milestones/ - Keywords: remake, strategy, turn-based - Code repository: https://github.com/OpenXcom/OpenXcom.git - Code language: C++ - Code license: GPL-3.0 Clone of the original UFO: Enemy Unknown (X-Com: UFO Defense in USA). OpenXcom requires a vanilla version of the original UFO: Enemy Unknown / X-COM: UFO Defense (any edition) with the latest patch. ## Building - Build system: CMake