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Zach's Liminal/Backrooms Blocks

by zachfromtktc

Zach's Liminal/Backrooms Blocks adds liminal and backrooms-style blocks for building unsettling, empty-looking rooms and levels in Minecraft.

FabricForgeClient and serverAll rights reserved1.20.1 – 1.21.11

What it does

The mod adds a small set of blocks modeled on liminal spaces and the backrooms, a fan-made genre of uncanny, endless interiors. They are meant for building roleplay maps and horror-style builds, and the author describes the release as focused on one specific level, with more decorations planned for later updates. Some levels are already in the blocks, and the author expects the list to grow.

The mod runs on Fabric and Forge for Minecraft 1.20.1 and 1.21.11, with files also listed for 1.21.8. A server running it needs every connecting player to have it too. Continuity is required on both loaders. The code is not open source; the mod is released under All rights reserved, and the author states the release is a beta with textures that may still be rough. Snapshot builds are not mentioned by the author.

Key features

  1. Liminal blocks

    Blocks themed on liminal spaces and backrooms settings, for building empty corridors, rooms and levels.

  2. Level-based content

    The blocks follow individual levels, so the set grows as the author adds more of them in later updates.

  3. Roleplay map building

    The mod was made with roleplay maps in mind, giving map makers a palette for atmospheric builds.

  4. Shader-aware textures

    Some textures, such as backrooms carpet and pool tiles, read better with POM enabled, and reflections show more when a shader is active.

Compatibility

Latest build for each game version and loader.

1.21.11256x1.5.0Not available
1.21.81.0.2Not available
1.20.1Not available1.0.3
ReleaseBetaAlphaNot available

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

Requirements

Dependencies declared by the latest file for each loader.

Required 1

ContinuityA Minecraft mod that allows for efficient connected textures
Required

Use cases

Who it’s for: Map builders and roleplay server owners who want liminal and backrooms-themed blocks, and players who build liminal spaces in their own worlds.

Questions

Does Zach's Liminal/Backrooms Blocks need Continuity?

Yes. Continuity is a required dependency, and it must be installed alongside the mod on Fabric or Forge.

Does the server need the mod?

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

Which loader should be used for 1.21.11?

The Fabric file 256x1.5.0 is the latest release for 1.21.11. Forge has a beta file, 1.0.3, listed only for 1.20.1.

Why do some textures look wrong?

The author notes that POM must be enabled, since without it some textures are ruined, and that Colored Lights works with IterationRP shaders.

In the catalog

Zach's Liminal/Backrooms Blocks is one of 12,078 Decoration mods on ModsFinder, and one of 6,982 Decoration mods for Fabric. 19,862 mods support Minecraft 1.21.11.

Similar mods

What the author says

MAKE SURE YOU HAVE POM ENABLED OTHERWISE IT RUINS SOME OF THE TEXTURES (1.21.11) FOR PROPER USE OF COLORED LIGHTS USE THE COLORLIGHT MOD
zachfromtktc, on the Modrinth page

Official listing

Owner
zachfromtktc
Published
2026-07-22
Updated on Modrinth
2026-10-09
Facts verified
2026-10-15

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