Lost In The Backrooms: Day 100 Demo

Released Oct 17, 2025by Rough DevsNo user reviews(Steam reviews)

Lost in the backrooms day 100 is a co-op horror game based on the concept of the backrooms with different levels and entities , a sanity system and unreal engine 5 graphics for the best immersive experience.

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Game details

Game details

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Steam rating
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Age ratings

IGRS 13DEJUS 6STEAM_GERMANY 6

Game modes

Languages

System requirements

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 11
  • Processor: Ryzen 7 4800u
  • Memory: 16 GB RAM
  • Graphics: Radeon Graphics
  • DirectX: Version 12
  • Storage: 2 GB available space
  • Sound Card: Any
  • Additional Notes: System requirements may change in future updates

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • OS: Windows 11
  • Processor: i7 12700
  • Memory: 16 GB RAM
  • Graphics: RTX 3060ti
  • DirectX: Version 12
  • Storage: 2 GB available space
  • Sound Card: Any
  • Additional Notes: System requirements may change in future updates