Video game
Sleepless
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.
- Release date
- October 18, 2025
- Medium
- Video game
- Platform or format
- PC (Microsoft Windows)
- Region
- worldwide
- Date source
- IGDB
- Last verified
- October 18, 2026