The gameplay challenges found in Galactic Civilization & its expansions are pre-defined by coders.
Mods allow anyone to alter these concepts extensively, right?
WRONG.
Unless someone does it.
I've done my part with X-Worlds & CoSH .
There are forum threads which already explain how & why -- this article was simply used to state these facts before i delve deeper into what the activity implicates such as;
1-- Know the game.