- Home: https://ufo2000.sourceforge.net/
- Inspiration: X-COM: Apocalypse, X-COM: Terror from the Deep, X-COM: UFO Defense
- State: mature, inactive since 2012
- Keyword: remake, strategy, multiplayer, turn-based
- Code repository: https://github.com/ufo2000/ufo2000.git (mirror of svn, @created 2010, @stars 11, @forks 7), https://svn.code.sf.net/p/ufo2000/code (svn)
- Code language: C, C++, Lua
- Code license: GPL-2.0
- Developer: Fomka, Siarhei Siamashka