Developed by Homeworld Remastered core team members, Complex is scripted from scratch, improves the complexity of the original Homeworld gameplay to extent, where player has to take into account a lot of variables during space battle in order to prevail.
You can download the public version 11.4.3, the new improved series 12 is in progress at Patreon.com/beghins
-remove all mods/addons in ...HomeworldRM\Data
-extract Complex11.zip inside ...HomeworldRM\Data (both "Complex11.big" and the folder "locale" must be there)
-right click on your HomeworldRM shortcut in your desktop, add -mod Complex11.big at the command line (if you didn't create a shortcut, just create it by ...HomeworldRM\Bin\release\HomeworldRM.exe)
-double click your desktop icon (Steam user don't use the launcher), enjoy
-it's recommended to play the english version, Complex is not localized