"Rebuild a wartorn country", the game. Could be an entire country, could be as small as a Many games have this as a scenario (ie, "save this terribly designed city" in cities skylines) or as a minigame ("rebuild a castle for use in the final act" in Neverwinter Nights 2), but I rarely see it as an entire game. It might be very difficult to balance though, since success would tend to snowball really hard.
Frostpunk may be close to what you’re looking for. It’s a very punishing survival sim where you build up and manage a small village in a world (I think) that’s a frozen tundra due to nuclear war. You can send out expeditions, recruit new people, but mostly build up your food, infirmary, etc. very punishing.
I've played frostpunk and while it is close to what I'm looking for, I want a more "rebuild this still somewhat functioning society that has just been ravaged by a war/asteroid/hurricane" type of thing, rather than the "make a whole new settlement" type.
