
Psychological HorrorHorrorSurvival HorrorSurvivalThrillerMultiplayerOnline Co-OpAction
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, Nagodo
- Publisher
- Mental Studios
- Release date
- October 18, 2025
- Platforms
- Windows
- AppID
- 1798570
Is anyone still playing Sleepless?
Are people playing it now?
We don't have player counts for this game yet.
Which languages?
Available in 6 languages.
What do players say?
54% of 11 reviews are positive. Steam rating: Mixed.
How much is it in the United States store?
$5.99, not on sale right now.
Playing now
No data
24h peak
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Reviews
Mixed · 54% · 11 reviews
Price
$5.99
Recent news
No news in the last 30 days.
Language support
English, French, German, Spanish, Danish, Russian