Sleepless
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.

See all announcements on Steam ↗

Language support

English, French, German, Spanish, Danish, Russian

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