異ノ故リ-Isolated Hours- game cover

異ノ故リ-Isolated Hours- CD Key

INOKORI -Isolated Hours- is a 3D horror game set in an office. Complete three tasks—turn off monitors, shut down A/Cs, and switch off lights—while eerie anomalies disrupt you. Avoid a mysterious woman who becomes dangerous if you stare or get too close.
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Release Date

15 Dec, 2025

Publisher/Developer

Byking RooKIES, Byking Inc.

Reviews

Steam: 92.19% positive (59/64)
Metacritic: -

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Current Steam price: FREE
Lowest Steam price ever: FREE — 2026-10-19 — Current low
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異ノ故リ-Isolated Hours- description

異ノ故リ -Isolated Hours-

異ノ故リ -Isolated Hours- is a 3D horror game set in a quiet office after hours—where the simple act of leaving for the day becomes a tense struggle against unsettling, unexplained events. Created as part of new employee training at Byking Inc., the game focuses on short, task-driven exploration while building dread through sudden anomalies and an ever-present sense that you’re being watched.

Your goal: finish the shift and get out

To clock out, you must complete a small list of essential shutdown duties scattered across the workplace. Move through the office carefully and make sure you don’t miss anything:

  • Turn off the monitors
  • Shut down the air conditioners
  • Switch off the lights

The office layout forces you to traverse multiple areas, turning routine maintenance into a nerve-racking walk through dim corridors and unfamiliar corners.

Anomalies that fight back

The building doesn’t stay quiet for long. Strange phenomena begin to interrupt your progress—phones ring without anyone calling, chairs spin on their own, and objects drift where they shouldn’t. These anomalies aren’t just for show: if ignored, they will wear you down. Deal with them quickly to keep yourself together and maintain control of the situation.

The woman in the office

Among the disturbances, a mysterious woman appears—silent, unnatural, and fixed on you with a direct stare. Do not stare back. Eye contact is dangerous, and getting too close is said to invite her pursuit. The safest response is simple: keep your distance, look away, and leave.

Keyboard & mouse or a controller is required. Depending on your PC environment, you may encounter issues or bugs during play; thank you for your understanding.