I’ve not finished it yet due to limited gaming time but it’s clearly not that long. It feels like it should have some replayability but I don’t think it’s very unreasonably priced. Probably not ideal if you’re looking to squeeze every hour of entertainment out of your dollar though.
I’d heard lava tubes pitched as one of the more straightforward ways of building a moon base, fascinating to learn that this would actually be a return to form for human dwellings.
Humans: we just like living in lava tubes.