Sleepless

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 uncover the terrifying truth.

Developer: CaRuFy. Publisher: Mental Studios.

Tags: Solo · Co-op, Psychological Horror, Horror, Survival Horror.

Steam reviews: Mixed (55% of 11).

Price: $5.99.

Released 2025-10-18.

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