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CurseForge · Minecraft mod
NOT's Backrooms
This mod adds the Backrooms as a new dimension for you to explore
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which NOT's Backrooms release should I use?
Latest stable file nots_backrooms-1.0.0-forge-1.20.1.jar
Game version 1.20.1
Loader Forge
NOT's Backrooms nots_backrooms-1.0.0-forge-1.20.1.jar targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is NOT's Backrooms required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release Forge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume
The source does not explicitly classify this release as client-only or server-only.
What else does NOT's Backrooms nots_backrooms-1.0.0-forge-1.20.1.jar need?
nots_backrooms-1.0.0-forge-1.20.1.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add NOT's Backrooms without breaking your instance.
Built for NOT's Backrooms nots_backrooms-1.0.0-forge-1.20.1.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use nots_backrooms-1.0.0-forge-1.20.1.jar. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside nots_backrooms-1.0.0-forge-1.20.1.jar. It opens that exact file at the source.
About this project
What does NOT's Backrooms add?
Have you ever wanted to survive the backrooms in minecraft? Well then this mod is perfect for you!
To get started, find one of the portals to take you there. These portals spawn anywhere in the overworld, so good luck finding one.
As of right now, the only entities are smilers, but more to come in future updates!
Project description from CurseForge.
Pick your setup
NOT's Backrooms by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
NOT's Backrooms versions and loaders
nots_backrooms-1.0.0-forge-1.20.1.jar
1 May 2026
Client Source doesn’t say Server Source doesn’t say Dependencies No extras listed Listed on Release listing
Check the 1.20.1 · Forge setup 1.20.1Forge release
Looking for an older file? The official CurseForge project page is in Resources.
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