The Backrooms [ Blocks ]

It adds some from level 0 of the backrooms also i'm a little new to mod making so don't judge to hard

109 Downloads

fabriccurseddecorationutility

Rent Server with this Mod

Screenshots

About this Mod

This project adds some blocks from level 0 of the backrooms. I recommend using shaders like Bliss also im new to mod making so don't expect it to be perfectly compatible with other mods.

[ Credits ]
Made with Mcreator
Textures/Models made with BlockBench

Available Versions

The Backrooms [ Blocks ] 1.0.0release

MC 1.21.8fabric

May 28, 2026

How to Install The Backrooms [ Blocks ] on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.8).

Install Mod

Open the mod browser in the dashboard and search for "The Backrooms [ Blocks ]". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.8

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

The Backrooms [ Blocks ] server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.8). You can switch loaders with one click in the panel.

Is The Backrooms [ Blocks ] compatible with fabric?

The Backrooms [ Blocks ] officially supports fabric for Minecraft 1.21.8. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with The Backrooms [ Blocks ] – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if The Backrooms [ Blocks ] consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.