Released May 26, 2026

Lost in the Backrooms: Day 100

AdventureIndie

PC (Microsoft Windows)

About

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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Recent updates

Community Announcements·4d
Patch 1.0.3
Fixes of today:NEW VHS filter in liminal modeFixed other backgrounds still not working in liminal and multiplayer (now it should work just fine)Fixed hide and seek mode not working correctlyFixed ending counter and endings and achievement not working correctlyFixed spawns in level walk and runMade…
Community Announcements·5d
Patch 1.0.2
The feedback is helping us improve the game, here is what we have done : Added more hints to help players complete the levelsAdded description of normal and liminal mode Added ending counterFixed some backgrounds that were missingFixed falling animationThanks for the amazing support since release ,…

Burglin' Gnomes

Project: Mist

Projekt Z: Beyond Order

War of the Worlds

Scary Cargo

Instinction

Improved things using Caseoh's feedback in his gameplay:Added sensitivity sliderAdded arrows and stains to help players escape level 0Made level 1 brighterThanks for the support and the feedback in these days.Special thanks for Caseoh, i really hope you'll play it again.

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