GalCiv3 Forums
One difference between Galciv 1 and Galciv 2 - that so far doesn't seem to have been changed back or otherwise altered in 3 - is not knowing how likely a border is to change by cultural influence and in what direction. Unless the difference is that one civ can't take territory from another through cultural influence alone?
Here is an excellent breakdown by Gilmoy on how Culture expands the borders as broken down by the numbers.
https://forums.galciv3.com/457630/page/1/#3492753
In the stream 2 weeks ago Paul mentioned that they will eventually be showing the numbers at least for planets, though I'm not sure if this will be available for every hex or not. It would be nice to at least have a % for the various Civ's who are influencing a tile.
Before I lose my ignorance by viewing the above links, I hope having 100+ civs cultural border changes doesn't slow/crash the game or look messy.
DARCA. 
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