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The Sievert Scale

Coming soon

WensleyDale StudiosDiscovered Sep 23, 2026

About the game

A surveillance horror based inside a nuclear power plant. Monitor CCTV, Identify hazards, document incidents and keep operations running. Report too much and you fail the weekly audit, too little and danger spreads. What’s happening deeper inside the plant was never meant to be monitored.

Original Steam description

The Sievert Scale is a surveillance horror game where you work as a newly appointed safety contractor in a UK based nuclear power plant. There is a growing public sentiment against nuclear power, with communities still reeling from Windscale and Chernobyl. Mandatory weekly safety audits are required by law.

Fail the audit, the plant ceases operations.

From your workstation, switch between live camera feeds across the facility - watch for safety contraventions, unusual behaviour and sinister activity. Capture evidence and report incidents before they spiral out of control.

Receive instructions from management via the internal email network. Beware, protocols can change mid-shift. What matters now may not matter later.

Prioritise carefully - not everything should be reported.

A standard shift lasts 60 - 90 minutes. Incidents escalate in real time. Stay alert, adapt to changing directives, and don't let anything slip through.

Some areas of the facility are not part of your initial assignment. As incidents escalate, new camera feeds may become accessible. What’s happening deeper inside the plant was never meant to be monitored.

MONITOR PLANT SAFETY

REPORT ALL INCIDENTS

FAILURE TO REPORT CONSTITUTES NEGLIGENCE

EXCESSIVE REPORTING DISRUPTS OPERATIONS

Demo and release information

No demo is verified in the current check data. This does not mean the game has never had a demo; check its Steam page for current availability.

Steam demo, playtest and Early Access: what is the difference?

Information & artwork: Steam · Last checked UTC