Geoschomo : Will Do
Atrocities : Thanks... and the 'Mod Editor' will be an "All-In-One-Over-The-Top" editor

i.e. components, facilities, planets, shipsizes
anything you can mod should be in there.
maybe not AI for a while cos I've no idea how the AI works.
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The Unofficial Space Empires 4 Mod Utility V1.6
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Download as a .ZIP <
HERE>
Download as a .RAR <
HERE>
Download as a .ACE <
HERE>
Check a Screenshot of it<
HERE>
Check an Alpha Shot of my Mod Editor (Unreleased) <
HERE>