Sleepless

by CaRuFy, Nagodo, published by Mental Studios

Inspired by "The Russian Sleep Experiment," this co-op multiplayer horror game challenges players to collect crucial evidence from past experiments. Work together to control the gas, evade the roaming monster, and uncove

Released Oct 18, 2025 · 54% positive of 11 Steam reviews

Tags: Psychological Horror, Horror, Survival Horror, Survival, Thriller, Multiplayer, Online Co-Op, Action

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