Underplayed Gems

Lost In The Backrooms: Day 100 (2026)

Lost In The Backrooms: Day 100 cover
Developer
Rough devs
Platforms
Windows
Genres
Action, Adventure, Indie
Rating
3.6 of 5, 14 player ratings
Typical playtime
about 2.0 hours
Where to get it
Steam
The 3D catalog: game boxes on wooden shelves, with the cat sitting at the counter next to its greeting.

The catalog in 3D

The same catalog has a room you can walk around in. The cat behind the counter is the AI Catbot, and they pick real games from it when you tell them what you feel like playing. Nothing is for sale, here or in there. Go in from here and this game is already out on the counter, with more like it waiting on the shelf next to it.

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How it feels

a tense exploration through strange, dangerous levels while managing a dwindling sanity meter.

tenseexplorationsurvivalliminalatmosphericpsychologicalunsettlingchallenging

What players say

Players are sharply divided on this backrooms game. Some praise the co-op fun, atmospheric graphics, and many levels, while others call it a plagiarized mess with bad audio, bland design, and fake reviews. The two-person development team gets credit from supporters for listening to feedback.

Screenshots

Lost In The Backrooms: Day 100 screenshot 1Lost In The Backrooms: Day 100 screenshot 2Lost In The Backrooms: Day 100 screenshot 3Lost In The Backrooms: Day 100 screenshot 4Lost In The Backrooms: Day 100 screenshot 5Lost In The Backrooms: Day 100 screenshot 6

More games like this

This page is from Underplayed Gems, a catalog of older and overlooked games. Not quite it? You can browse by platform and genre, or take this one into the 3D catalog and ask the Catbot for something closer.