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Hyakki Yako: OH&S header art

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.

Release
August 1, 2023
3 years and 90 days ago
Steam Reviews
Positive46 reviews89.1%
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Game contextLatest: IGF Team
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Updated: Jul 11, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 11, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 11, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Hyakki Yako: OH&S and Inhuman Resources funded?FundingThe known source of funding behind the game.
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Updated: Jul 11, 2026Release statusWhether and how the game has been released.

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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.

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