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You're a commercial diver left under an offshore platform after an accident. The only way up is a chain of emergency refuges, and each one needs a part from out in the dark. You get a bearing, six strobes and a few minutes of gas. Your supervisor, Mara, stays on the radio.
It's 1978 and Mara Venn cleans the treatment rooms at a private clinic, nights only. The register says Chamber Six is empty. There's someone in the chair. A first-person psychological horror game about a job you can't afford to lose.
You're not dead. The examiner just needs to be sure. Hold your breath, go limp and stare at nothing while she checks you over, and work your restraints loose every time she turns away. If anything twitches, it's a red tag and the incinerator.