Deep nether

here's everything like nether,but so cold.

64 Downloads

neoforgeadventuremobsworldgen

Rent Server with this Mod

Screenshots

About this Mod

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.
Ruined Deeper Nether Portal
key

when you enter the deeper nether,portal will be immediate destroy,cannot use.
broken portal

Now,only one way to get back to the surface,you need find portal altar.
the altar

just rightclick altar can back the surface spawn point.

Available Versions

Deep nether 1.0.0alpha

MC 1.21.4neoforge

June 3, 2025

How to Install Deep nether on Your Server

Order Server

Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).

Set neoforge Loader

In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.4).

Install Mod

Open the mod browser in the dashboard and search for "Deep nether". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

neoforge

Minecraft Versions

1.21.4

Server-side

✓ Required

Recommended RAM

6 GB(min. 4 GB)

Frequently Asked Questions

Deep nether server crashes on startup – what to do?

Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.

Is Deep nether compatible with neoforge?

Deep nether officially supports neoforge for Minecraft 1.21.4. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Deep nether – how to optimize performance?

Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Deep nether 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.