Lost in the Backrooms: Day 100
Adventure — Indie
Released October 30, 2025
steam achievements, adjustable difficulty, accessibility options, playable without timed input, custom volume controls
Card Rarity
common
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.







