My 2 pence of modding food

[Juju]

or
Stuff i would really like to do in Space Empires

just Brainstorming here ..

Better control in the Real Time Combat.

Colonies in Asteroid fields ( maybe different buildings )

Sectorized Ring and Sphere Worlds, because there are so huge. ( Ideas I got from the 21st century mod )

Bigger enemy fleets

Stronger special technologies
some kind of StarCraft feeling, that choosing one changes the tech tree radically, while other special trees like Time become High-End technologie.

I like Zerg.

The biggest Ship should be a carrier rather than a fighting ship
and stellar construction components shouldn't fit on baseships .. there is no gain in building a sphere world in less then four rounds ..

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there will be more ..