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UFO2:Extraterrestrials on Steam 15 June 2021

After many long years, UFO2:Extraterrestrials Battle for Mercury has been finished! On the 15th of June it is available via Valve - Steam Publisher. The development studio Chaos Concept thanks to all fans that have waited so many years for the release.


Steam release comming soon

After all these long years it is finally here. UFO2:ET is visible on Steam and prepared for release in a few days. Stay tuned...


Game localization started

We have just started with localization of the game into following languages English, Spanish, Russian, German and Czech. Your language is not listed? Feel free to contact us and help us with translation.


First Steam build

We had first build which is integrated with Steam game store. Be prepared for achievements,leaderbords and more.


Spambot protection

Forum has been facing spam attacks. For that reason we have made registration question more difficult. In case you are unable to register please contact us via email -


Qualma Trees video

New video from level Qualma Trees was added to the download section.