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Lost In The Backrooms: Day 100 header 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.

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Release
May 26, 2026
68 days ago
Steam Reviews
Mostly Positive14 reviews71.4%

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Search Google: Who developed Lost In The Backrooms: Day 100?Developer scaleThe operating scale of the game's developer.
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Search Google: Is Lost In The Backrooms: Day 100 self-published or published by Rough devs?Publisher statusHow the game's publishing relationship is classified.
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Search Google: Who controls the creative direction and IP for Lost In The Backrooms: Day 100 and Rough devs?Creative controlWho appears to retain creative control of the game.
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About the Game

They say there's a chance to escape the backrooms in the 100th day. Will you succeed?

Navigate terrifying levels with numerous dangers and entities lurking around every corner. Watch out for your sanity as you explore the strangest levels.

More than 15 levels with different ways to escape, different dangers and different environments.

7 entities with different behaviors , abilities and appearance. All of them are accurate to the wiki and you always have to use different strategies to go forward.

Play alone or in a total of 6 players Co-op, Explore the backrooms but at the same time be careful of the dangers.

Developed with Unreal Engine 5 guarantees beautiful graphics with stunning environments and scenarios.

The liminal mode is a walking simulator gamemode for the people that want vhs liminal vibes, no monsters but just unsettling liminal spaces.

Use proximity chat to talk to your friends and fully immerse yourself in the experience.

In this gamemode one of your group of friends will be selected as a monster

The monster will have to kill evereyone in the time limit while

the surivors will have to survive for 7 minutes