I was thinking there should be a Fog type that once you see a territory, it remains visible the rest of the game. This makes sense to me, like exploration. once you know where something is, you can see it.

So you want to always know what your opponents are doing behind the fog if you have previously seen that territory? If you are going for realism (exploration reference) then that makes no sense since you should only know the state of that territory when you last saw it, not it's present state.

Ah I wasn't clear enough, that's what I meant. I meant once you see it, it's like there's light fog on it.

make a uservoice...

Dunno how, nor do I particularly want to

uservoice is where suggestions go, not here.