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TheBackroomsMod

by TheCj

TheBackroomsMod adds Backrooms blocks, a custom Backrooms dimension and entities that spawn naturally in it, for NeoForge.

NeoForgeClient and serverAll rights reserved1.21.1 – 26.1.2

What it does

Players who explore the Backrooms-style dimension find custom blocks and entities placed by the mod. Spawn eggs let a player place an entity behind another player, and the mod also includes animations and a player extension for the scene. The mod is in beta, and the author notes that future updates are planned.

The mod is installed on both sides: the server and every player need it. Files cover 1.21.1 and 26.1.2 for NeoForge only, with the latest file 1.1 for 26.1.2, published on 2026-09-06 on the beta channel. It is not open source and is released under All rights reserved. The mod is documented as a project a developer can extend, since the author describes it as made without prior coding experience.

Key features

  1. Custom Backrooms dimension

    A dimension built around Backrooms-style spaces, with its own terrain and blocks for building or exploring.

  2. Custom blocks

    Blocks added for Backrooms settings, placeable like other decorative content in survival or creative worlds.

  3. Naturally spawning entities

    Entities appear in the custom dimension on their own, and players can also place them with spawn eggs.

  4. Jumpscare entities

    Some entities can be used to startle other players, a scene the author suggests with a friend.

Compatibility

Latest build for each game version and loader.

No stable releases
Every published file is a beta or alpha build.
26.1.21.1
1.21.1Beta.1
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Use cases

Scares with friends

A player places a spawn egg behind a friend in the custom dimension to set up a jumpscare.

Building Backrooms scenes

Custom blocks let a builder recreate Backrooms-style rooms and corridors in a world.

Who it’s for: Players who want Backrooms-style blocks and a horror dimension on NeoForge, and server owners who want to offer the dimension to players on both sides.

Questions

Does TheBackroomsMod need to be installed on the server?

Yes. Servers that run it need every player to install it too.

Which game versions does TheBackroomsMod support?

Files exist for 1.21.1 and 26.1.2 on NeoForge. The latest file is 1.1 for 26.1.2 on the beta channel.

Does TheBackroomsMod work with Fabric?

No. Only NeoForge files are published for the mod.

In the catalog

TheBackroomsMod is one of 12,078 Decoration mods on ModsFinder, and one of 5,201 Decoration mods for NeoForge. 15,189 mods support Minecraft 26.1.2.

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What the author says

This mod adds custom blocks for the backrooms a custom dimension entities And so much more The Mod Has the things To BUILD your Own backrooms Wich You can put youre friends into it has all the things you need Just Make Sure You put the backrooms in the custom dimension provided to enchance the experience.
TheCj, on the Modrinth page

Official listing

Owner
TheCj
Published
2026-07-13
Updated on Modrinth
2026-09-06
Facts verified
2026-10-15

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