Backrooms Mod
This mod adds new structures and stuff into your game.
- Loaders
- NeoForge
- Downloads on Modrinth
- 381
- Followers on Modrinth
- 0
- version
- 1
- Updated
- February 21, 2026Feb 21
- Published
- in 2026
At a glance
Needed both in the game and on the server
iminal Structures – Level 0 in the End (NeoForge 1.21.1)
Liminal Structures brings Level 0 of the Backrooms into Minecraft — not as a new dimension, but as a quiet corruption of The End itself.
Across the End, you’ll find 19 handcrafted, standalone Level 0 rooms, generated as isolated structures. No entities. No chase mechanics. No scripted horror.
Just fluorescent lights. Yellow wallpaper. Endless carpet.
🌫️ Concept
Level 0 appears naturally in the End as rare, structure-based anomalies. Each room is:
Randomly generated
Fully solid
Exploration-focused
Atmosphere-driven
They do not connect — every structure stands alone.
🧱 Blocks & Features
Custom blocks recreate the classic Backrooms aesthetic:
Wallpaper, ceiling tiles, fluorescent lights
Carpet (with slabs and stairs)
Vents and signage
Error blocks (visual anomalies)
Darkness & Darkness Core
Biohazard blocks and fluid (apply Wither)
Functional computer block
Items include:
Almond Water (rare consumable)
Flashlight (real light, subtle flicker)
🎮 Focus
This mod is built for:
Exploration
Liminal atmosphere
Minimalist horror
No new dimension. No sanity system. No entities.
Just Level 0, where it doesn’t belong.
Technical
Minecraft 1.21.1
NeoForge
Structure-based worldgen
Multiplayer compatible
Liminal Structures doesn’t try to be loud.
It simply places Level 0 in the End — and lets you stand in it.
FAQ
How to install Backrooms Mod?
Install NeoForge for your Minecraft version, download Backrooms Mod for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does Backrooms Mod support?
Backrooms Mod has builds for Minecraft 1.21.1.
Is Backrooms Mod needed on the server?
Needed in the game and on the server