Hyakki Yako: OH&S
Haramita Renkai is trapped somewhere deep in the underworld after a ritual gone awry. Armed with naught but his wits, his talismans and a burning desire for self-criticism, Renkai attempts to flee the grasp of the ravenous Demon Parade and escape back to the mortal plane.
Estimated lifetime revenue
Free-to-play
Revenue comes from in-game items and microtransactions, which our price-based model doesn't estimate. The player count below is how many people own it, not what they spent.
Est. players
994
people who own it
Reviews
46
Review score
89%
8.9/10
Concurrent players
0
read Sep 17, 2026, 15:00 UTC
Followers
About
About the game
YOU WANDER FOREVER IN UNDEATH
Hyakki Yako: Operational Health and Safety is a first-person horror game. You play as Haramita Renkai, salary-man by day, exorcist by night. Renkai is trapped somewhere deep in the underworld after a ritual gone awry. Armed with naught but his wits, his talismans and a burning desire for self-criticism, Renkai attempts to flee the grasp of the ravenous Demon Parade and escape back to the mortal plane.
Wander a Labyrinthine Dreamscape
Collect Precious Few Talismans
Escape The Ever-Encroaching Demon Parade
Exorcism's one h̶̥̤̹̲e̤͞l̹͙̼̖̙̣͞ḷ̱̪͎̹̞ of a job.
Hyakki Yako: Operational Health and Safety is a first-person horror game. You play as Haramita Renkai, salary-man by day, exorcist by night. Renkai is trapped somewhere deep in the underworld after a ritual gone awry. Armed with naught but his wits, his talismans and a burning desire for self-criticism, Renkai attempts to flee the grasp of the ravenous Demon Parade and escape back to the mortal plane.
Wander a Labyrinthine Dreamscape
Collect Precious Few Talismans
Escape The Ever-Encroaching Demon Parade
Exorcism's one h̶̥̤̹̲e̤͞l̹͙̼̖̙̣͞ḷ̱̪͎̹̞ of a job.
Genres
