Conquer 4 passed and its kind of similar to this..
Firstly, that's kind of a moot argument: just because some other map passed in the past doesn't mean that any similar maps should automatically be passed.
Secondly: Conquer 4 is a whole lot smaller. Here we have what, 400 territories with no impassables between them. It makes a big difference.
I apologize.
I'm used to making games by my self.
No need to apologize, just to realize that the foundry is a community project... no man is an island

Insted of impassables, High neutrals separating each planet so you would have to take out one of these neutrals in order to attack someone and the other high neutrals would act as impassables.
This could work. You could make some of them killer neutrals and some regular...