Planned Release Date: Oct 20, 2025

About This Game

🎮 Game Overview

This is an administrator’s memorandum salvaged from deep in the mountains.
Some things you don't need to understand—just follow the instructions, and you may survive this mountain.

Misty Onsen is a first-person psychological horror game set at a remote hot‑spring facility in the Japanese mountains.
Inspired by a widely circulated rumor‑style memorandum online, said to be connected to a mysterious disappearance.
You take on the job, conduct daily patrols—and gradually realize: this mountain conceals something unspeakable.

📓 Memorandum: Work Rules (must follow)
・Wear highly visible clothing
・Never stray from the designated route
・If you hear someone calling, do not look back or respond
・If you see a woman, remember—there shouldn’t be any on this mountain
・If you detect any strange odor, evacuate immediately

👁 Features
・Psychological horror driven by atmosphere: fear arises from isolation, ambience, and the unknown
・Inspired by mysterious online rumors: grounded in realistic work settings and mountain‑forest taboos
・Occasional sudden events: not centered on jump scares, but danger can appear unexpectedly
・No combat—only decisions and escape: surviving by the rules is your only goal

⚠ Warning
If you hear someone calling your name, no one will be there.
Do not answer, do not turn around.

Accept this job, and you will discover—this mountain hides something unspeakable.

Mature Content Description

The developers describe the content like this:

The game contains intense psychological horror elements, including frightening ghost appearances and disturbing narrative themes. Some content may be unsettling to sensitive players. There is no sexual content, non-consensual acts, or depictions of drug or alcohol use.