Currently the campaign map with exploration filter set looks like this:
Nothing particularly wrong with it. It has a legend which is fairly simple and easy to follow.
My only real, not really a compliant, more of a
"it would be nice if...." kind of thing is that it could potentially be easier for the player to quickly see where they have and haven't been if it were more instantly obvious.
We can achieve this by adding some colour.
First thing is to
keep the existing legend. Not only does that give useful information via the [ ] boxes, but it's a fallback for any colourblind folk.
We're going add to this instead.
Inhabited systems can stay the same light blue as now.
Fully explored systems would turn green.
Partially explored systems would be orange.
And unexplored systems would be red.
The end result of which would look something like this: