Sleepless is an adventure, released 18 October 2025 on PC (Microsoft Windows).
What Sleepless is
Sleepless was released in 2025. It is available on PC (Microsoft Windows) only. It runs on Unity.
The premise, in the publisher's words
A horror game set in an abandoned bunker in Russia, inspired by "The Russian Sleep Experiment." Players must collect important papers from past experiments, but the bunker is difficult to navigate with locked corridors, no electricity, and a constant feeling of being watched.
How it plays
It is played from a first person perspective. Its themes are action and horror. It is a single-player game with no multiplayer component. Available modes: Co-operative, Multiplayer and Single player.
What it launched against
Sleepless launched on 18 October 2025, within three weeks of Battlefield 6, Ghost of Yotei, Vampire: The Masquerade - Bloodlines 2 and ARC Raiders.
Released around the same time: Battlefield 6, Ghost of Yotei, Vampire: The Masquerade - Bloodlines 2, ARC Raiders.
Screenshots
All media
Quick answers
Sleepless — frequently asked questions
When did Sleepless come out?
Sleepless was released on 18 October 2025 for PC (Microsoft Windows).
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