Luigi's Mansion's atmosphere never really scared me. There may be a few jump scares here and there and the atmosphere is pleasantly silly and spooky.
Well, some forlorn, longing emotions when I entered Chauncey's room and his battle were evoked from me. It's hard to describe, but you feel kind of sniffly when you're in a playful, childish setting and something off-putting is going on in there. Really just makes me reminisce to the times when I was a little kid and life was innocent as it seemed.
Oh, and **** Bogmire! That boss was a pain in the neck.