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Backrooms blocks and stuff

by akak

Backrooms blocks and stuff, by akak, adds building blocks styled after the backrooms: yellow walls, floors and ceilings, and pool bricks from the poolrooms level.

NeoForgeClient and serverAll rights reserved1.21.1

What it does

The new building blocks look like the backrooms, the unsettling office-like space from internet horror. Classic yellow walls, floors and ceilings form the main set, with blue-gray versions also included. Pool bricks echo the poolrooms, which sit at level 37 of the backrooms series. The mod runs on NeoForge for 1.21.1 only, and it is not open source; it is released under All rights reserved. Client and server both need it, so the server and every player install it.

Key features

  1. Backrooms wall and floor blocks

    Yellow walls, floors and ceilings in the classic backrooms look, for building level 0 scenes.

  2. Blue-gray variants

    A blue-gray set of the same block shapes gives builders a second palette for the space.

  3. Poolrooms pool bricks

    Pool bricks reference the poolrooms level 37 and can be placed with the other blocks.

Compatibility

Latest build for each game version and loader.

1.21.11.1
ReleaseBetaAlphaNot available

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

How it compares

Full comparison

Backroom Wallpaper uses NeoForge for 1.21.1 with the client and server environment and All rights reserved license, so it overlaps in purpose. TFam's Backrooms Essentials targets 1.21.8 on NeoForge, and The Backworld covers 1.21.4 – 1.21.11, so neither matches this mod's version.

ModLoadersGame versionsEnvironmentUpdated
Backrooms blocks and stuffNeoForge1.21.1Client and server2026-08-22
Backroom WallpaperNeoForge1.21.1Client and server2026-08-14
TFam's Backrooms EssentialsNeoForge1.21.8Client and server2026-07-08
The BackworldNeoForge1.21.4 – 1.21.11Client and server2026-02-07

Questions

Does Backrooms blocks and stuff need a loader other than NeoForge?

No. The latest file is for NeoForge, and it targets 1.21.1 only.

Does the server need Backrooms blocks and stuff?

Yes. A server running it needs every connecting player to have it too.

In the catalog

Backrooms blocks and stuff is one of 12,078 Decoration mods on ModsFinder, and one of 5,201 Decoration mods for NeoForge. 32,366 mods support Minecraft 1.21.1.

More from akak

All projects

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What the author says

this mod adds new building blocks, which look like they're from the backrooms. The mod has the classic yellow walls, floor and ceiling from the backrooms level 0, blue and gray versions of them and pool bricks from the famous poolrooms (level 37).
akak, on the Modrinth page

Official listing

Owner
akak
Published
2026-06-06
Updated on Modrinth
2026-08-22
Facts verified
2026-10-15

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