The Sleep Experiment — Steam game overview

Stored observation / content update: 2026-10-25T10:08:07.000Z

Experience the horrors of one of the most infamous experiments that ever took place. As a test subject in a top-secret Soviet research facility, you must endure days without sleep while facing unimaginable terrors that lurk in the shadow.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.