UFO 2000 is a strategy game released in 2004 designed and developed by Ufo 2000 Crew. UFO 2000 can be described as a full free, open source game and can be played on the following operating systems: Windows, Linux, Free BSD, Mac OSX. UFO 2000 is also a multiplayer game.
“UFO2000 is free and opensource turn based tactical squad simulation multiplayer game, heavily inspired by the famous UFO: Enemy Unknown and providing a very similar reimplementation of its tactical part.” - Ufo 2000 Crew
UFO 2000 Details