ModsFinder

Liminality: The Backrooms

by Politas180

Liminality: The Backrooms turns the Level 0 space of the Backrooms into a horror expedition built from four connected chapters, with saved checkpoints along the way.

NeoForgeClient and serverAll rights reserved1.21.1

What it does

The mod replaces the older endless-maze release with a complete overhaul of Level 0. Players move through four chapters, each one ending at a checkpoint, and a creature called Bacteria hunts them by sight and sound. First-person cinematics mark the transitions, and the route is about one fifth the length of the previous version, with closer checkpoints and easier Bacteria encounters.

Multiplayer runs keep each player in a separate area with their own Bacteria encounter and progression, while a shared co-op maze stays open for group play. Server chat remains available during the journey. Players can tune the experience through options for motion, flashing, subtitles and how strongly effects appear. Hunger and exhaustion pause while exploring, and the server lag counter pauses offline time so it does not stretch the real elapsed time.

The mod requires Geckolib and is published for NeoForge only, for 1.21.1. Installation covers the server and each player's game. The code is not open source and is released under All rights reserved.

Key features

  1. Four connected chapters

    A route of four chapters with saved progress checkpoints leads to a final escape.

  2. Collapsing floors

    Floors give way, ceilings break and debris drifts, so a fall drops the player into a new area.

  3. Protected architecture

    The maze walls cannot be mined or blasted apart, though players can build in side spaces and remove their own blocks.

  4. Flashlight and ambience

    A flashlight, simulated recording artifacts, positional sound and a softer fluorescent hum set the mood.

Compatibility

Latest build for each game version and loader.

1.21.10.1.3
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

GeckolibA 3D animation library for entities, blocks, items, armor, and more!
Required

Questions

Does Liminality: The Backrooms need Geckolib?

Yes. Geckolib is a required dependency and must be installed alongside the mod on NeoForge 1.21.1.

Do servers need the mod installed?

Yes. Every player and the server need a copy of the mod.

Can players play together?

Yes. Each player has a separate area with their own Bacteria encounter, and a shared co-op maze is also available.

In the catalog

Liminality: The Backrooms is one of 8,515 World generation mods on ModsFinder, and one of 4,175 World generation mods for NeoForge. 32,366 mods support Minecraft 1.21.1.

World generation mods8,515NeoForge modsMods for 1.21.132,366

More from Politas180

All projects
Smart Mobs1.20.1 – 1.21.11Realistic Tornado Disasters1.21.1Nuclear and Atomic Bombs1.21.1Something Feels Off (Discontinued)1.21.1Tsunami Disasters1.20.1Storage Finders1.20.1 – 1.21.1

Similar mods

Biomes O' Plenty1.7.10 – 26.3Cobblemon1.19.2 – 1.21.1Terralith1.18.2 – 26.3YUNG's Better Nether Fortresses1.18.2 – 26.1.2Dungeons and Taverns1.19 – 26.3Yeetus Experimentus1.18.2 – 26.3

What the author says

The floor gives way. You fall through broken ceilings, land on damp carpet, and hear fluorescent lights somewhere above you. The rooms look familiar. The way back is gone. Level Zero is a complete overhaul of Liminality: The Backrooms. The old endless-maze release has been rebuilt into a focused horror expedition…
Politas180, on the Modrinth page

Official listing

Owner
Politas180
Published
2025-12-02
Updated on Modrinth
2026-09-16
Facts verified
2026-10-15

Tags

AdventureMobsWorld generation
Open on ModrinthCompare