Steam game

Sleep Outbreak

An online co-op horror game for 1-4 players. The Sleep has fallen upon the region. Every one has fallen asleep while dangerous Moribo and Day-Night Terrors roam. Extract materials and save Moribos before the environment turns hostile at night. Fail to extract and your gear are lost to the dark.

Coming soon 2026

By Oakamorii

Windows Controller: full
View on Steam
Sleep Outbreak - Oakamorii. Popular. Released 2026
Screenshot of Sleep Outbreak gameplay showing in-action mechanics Screenshot 2 of Sleep Outbreak - additional gameplay view Screenshot 3 of Sleep Outbreak - more gameplay footage Screenshot 4 of Sleep Outbreak - final gameplay screenshot

Overview

About this game

Sleep Outbreak is an online co-op multiplayer game for 4-8 players about entering The Sleep and surviving to save Moribos and extract loot.

  • Difficulty increase and chance of rare Moribos and valuable loot as you survive more days in The Sleep. 

  • Day and night cycle, Dynamic weather. Moribos appear at different times in different environments. Monsters become stronger as night falls upon the region. 

  • Moribos that are saved can be your ally for subsequent runs. 

  • Map selection: downtown, Forest, Mall.

  • Proximity chat - communicate with your friends. 

  • Use stealth and items to avoid hostile monsters. 

No cost picks

More free games like this

More

Same category

Same tags, different developer

More

More like this

Similar games

More Stealth games