Lost in the Backrooms: Day 100 cover art

Lost in the Backrooms: Day 100

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.

26 May 2026

Lost in the Backrooms: Day 100 is an adventure, released 26 May 2026 on PC (Microsoft Windows).

Verified Sources: IGDB , Steam

What Lost in the Backrooms: Day 100 is

Lost in the Backrooms: Day 100 was released in 2026. It is available on PC (Microsoft Windows) only.

The premise, in the publisher's words

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.
Description from the publisher · source

How it plays

It is played from a first person perspective. Its themes are action and horror. It is a single-player game with no multiplayer component. Available modes: Co-operative, Multiplayer and Single player.

What it launched against

Lost in the Backrooms: Day 100 launched on 26 May 2026, within three weeks of 007 First Light, Forza Horizon 6, LEGO Batman: Legacy of the Dark Knight and Directive 8020.

Released around the same time: 007 First Light, Forza Horizon 6, LEGO Batman: Legacy of the Dark Knight, Directive 8020.

Screenshots

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Quick answers

Lost in the Backrooms: Day 100 — frequently asked questions

When did Lost in the Backrooms: Day 100 come out?
Lost in the Backrooms: Day 100 was released on 26 May 2026 for PC (Microsoft Windows).

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