This mod allows you to travel to a place even deeper than the Nether.
Everything there is very similar to the Nether, but unlike it, the environment is very cold and cruel.
If you go there without proper preparation, you will be trapped forever!
This mod is currently in early development and may contain many bugs so using a backup is recommended.
how to enter the deep nether?
you need find a ruined portal and use key to active.
ruined portal only spawn in nether.
when you enter the deeper nether,portal will be immediate destroy,cannot use.
Now,only one way to get back to the surface,you need find portal altar.
just rightclick altar can back the surface spawn point.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.4
- 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.
- Ships as deeper_nether-1.0.0-neoforge-1.21.4.jar — drop this file into the mods folder
- Download size: 704 KB
- Download link checked 21 Aug 2026 — working
These come from our own check of the pack file, not from the source page.