Backrooms: Lost Signal Demo

50KS
Released Mar 10, 2026by NoSignal Games4 user reviews(50% of 4 Steam reviews)

A terrifying 1-4 player co-op horror game. Explore 10+ handcrafted Backrooms maps, survive against 8+ unique entities, and use proximity voice chat to coordinate or panic. Your decisions shape the story with multiple endings. Discover optional lore that reveals the truth behind these Backrooms.

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About Backrooms: Lost Signal Demo

Backrooms: Lost Signal is a cooperative horror experience where survival is never guaranteed. Trapped in endless, unfamiliar spaces, you must explore, communicate, and make decisions that will define whether you live or die.

Play alone or team up with up to four players as you explore the Backrooms together. Staying together may keep you safe in some cases, but splitting up might be the only way forward. Every choice you make as a group can mean survival or disaster.

Puzzles are integrated directly into the environment, forcing you to pay attention while dangers are present. There is rarely time to feel safe, and every solved puzzle pushes you deeper into the unknown.

Some encounters are designed to push you to your limits. During intense, scripted and immersive chase sequences, the entire group must run, adapt, and survive together while a relentless entity hunts you down. Paths shift in real time as doors open, obstacles fall, and the environment forces new routes. Panic, coordination, and quick decisions are the only way out.

The Backrooms hide more than just monsters. Scattered across the maps, optional pieces of lore reveal fragments of a deeper story. Pay attention to your surroundings, collect what others might ignore, and slowly uncover the truth behind the world you and your team are trapped in.

Game details

Backrooms: Lost Signal Demo reviews

50% positive reviews all-time.

System requirements

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10/11 64-bit
  • Processor: Intel Core i3 12100F or AMD Ryzen 3 3200G
  • Memory: 8 GB RAM
  • Graphics: Any DirectX 11 or 12 compatible card
  • DirectX: Version 11
  • Storage: 5 GB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10/11 64-bit
  • Processor: Intel Core i7 13700K or AMD Ryzen 7 7700X
  • Memory: 16 GB RAM
  • Graphics: NVIDIA RTX 8GB GDDR6 or AMD Radeon RX 5700 XT
  • DirectX: Version 11
  • Storage: 5 GB available space