

Backblocks is a fully atmospheric Minecraft Java mod designed to bring the unsettling, nostalgic, and eerie aesthetic of the infamous Backrooms directly into your Minecraft worlds. Whether you are building an elaborate horror map, an adventure puzzle, or just want a secret yellow-walled bunker underneath your survival base, Backblocks gives you all the essential building blocks to make it look authentically damp and desolate.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 26.1.2
- 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.
Verified by MCModsHub
- Ships as backblocks-1.4-neoforge-26.1.2.jar — drop this file into the mods folder
- Download size: 10.1 MB
- Download link checked 29 Aug 2026 — working
These come from our own check of the pack file, not from the source page.