The Backrooms (spacepotato version.)
Java modpack listed for Minecraft 1.20. File opened and checked on 30 Sep 2026; downloads from the MC Java Mods app on Android.
A modpack containing spacepotato's mod "The Backrooms mod" and just uploading it with dependencies and shaders. (i got permission from spacepotato to…
⬇ Download on Modrinth
[OUTDATED MODPACK VER] Read the instructions CAREFULLY. DO NOT USE THIS MODPACK IN AN EXISTING WORLD. It can cause irreversible damage. Good Luck
Setup
Create a new super flat world WITH THE REDSTONE READY PRESET (if the world isn't made of sandstone, you didn't use the preset) and generate structures turned OFF. Other settings will be set automatically
When you're in the world, type /reload and you'll see a menu appear in the chat.
Click on Start Game to start the entire game. Clicking it again after the game has already started DOES NOT RESET THE GAME
Click on Stop Game to stop the entire game and generation. This will NOT get rid of the structures
Click on Start Generation to ONLY generate the rooms
Click on Stop Generation to ONLY stop generating the rooms
You will also see some extra options. Hover over them for more info
Settings:
- Render Distance of 16+
- Simulation Distance same as render distance
- Smooth Lighting
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Downloads as The Backrooms 1.0.0.mrpack
- Download size: 3.9 MB
- Download link checked 5 Oct 2026 — working
These come from our own check of the pack file, not from the source page.