If you haven't done it yet take a look at our Adventures, I've added "Sci-fi" and "Futuristic" tags to the filter:
http://www.abandonia.com/en/game/Adv...-Fi/sortby%3D0
I'm shooting in the fog because we don't have many details, but your description reminded me of this screenshot taken from Beneath a Steel Sky:
http://www.abandonia.com/en/games/58...Steel+Sky.html