Downloading Zero-K 3.0.0.2 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available.
Zero-K was developed to work on Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11 and is compatible with 32 or 64-bit systems. We recommend checking the downloaded files with any free antivirus. The most popular versions among the program users are 3.0, 2.8 and 2.7. This free software is a product of Zero-K. Zero-K lies within Games, more precisely Strategy. The Zero-K installer is commonly called Zero-K.exe.
From the developer:
Zero-K is an open-source RTS game that aims to be dynamic, action-packed and hassle-free. The game is full of clever strategies and constantly moving combat with games lasting an average 20-30 minutes. You can witness battles on an epic scale from tiny flea-bots to huge mechs and gigantic superweapons that wreak havoc.
You may want to check out more software, such as Firefight, X-Force: Fight For Destiny or Earth 2160, which might be related to Zero-K.