https://store.steampowered.com/app/979110/Space_Haven/
Has anyone played this yet?
I've been having some fun with it - it's not exactly ALIEN, but the aesthetics and what little sound there is are pretty close.
If nothing else, it can be a great inspiration or tool for designing ships for ALIEN.
EDIT: If anyone manages to build an approximation of the Nostromo, I'd love to see your design.