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You are trapped in the Office. A first-person Observation-Game about walking an endless office, spotting anomalies, and getting off work.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Official stores with direct support.
You are stuck at work, in an office that never really ends.
Every loop down the corridor should be the same, but sometimes, something is off.
Explore a looping office in first person, learn its normal state, and look out for anomalies.
Kaishain is a short walking simulator in the Observation-Genre.
The Game is available in English and Japanese, other languages are present but may not be the most accurate. For most it is recommended to be played in English. Thank you for your understanding.
20 Minutes - to Hours depending on how fast and accurate you are, how much you want to explore and how many endings you want to find.
Spot the anomaly
Walk through a realistic, modern office and memorize its layout and details so you can tell when something has changed.
Endless Floor
A seamless, looping office floor where each pass can reveal new anomalies or reset things to make you doubt yourself.
40+ distinct anomalies
From barely-noticeable Anomalies to lethal encounters, if you react too slow.
Endings
A small change can alter the outcome of your work-day.
Scoring and performance
Every run is evaluated at the end, see your time, deaths, etc.
Steam-Achievements
Different Achievements depending on the way you play and what you discover.
Office horror
A grounded, realistic visual style mixed with surreal events. The office might be almost too familiar for some.
I have only tested with a basic controller and do not own any other Controllers, sometimes the menu and settings has to be used with the mouse.
