What are some good games with a creepy/eerie atmosphere but not outright horror?

The epitome of what I’m trying to refer to is the Playdead games (Limbo and Inside). Dark Souls and BioShock both hit on this idea but not quite so directly. The game BADLAND is also a great example of this, too. The mobile game The Silent Age also did this exceptionally well. Never quite knowing what’s going on, and maybe...