Bendy and the ink machine
Patient Gamers
A gaming community free from the hype and oversaturation of current releases, catering to gamers who wait at least 12 months after release to play a game. Whether it's price, waiting for bugs/issues to be patched, DLC to be released, don't meet the system requirements, or just haven't had the time to keep up with the latest releases.
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I'm playing The Long Dark and I think it fits what you are looking for, however it is a survival game so if your not looking for a walking simulatior steer clear.
The premise is your plane was brought down by an eletro magnetic storm in the Canadian wilderness mid winter and you have to survive and unravel the mystery of what's happening.
Very creepy, lonely vibes with some really unsettling sequences, but no jump scares or anything.
Voices of the Void. It's a free "job simulator" game from itch.io with a creepy atmosphere that is pretty unsettling.