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Nether ExpansionMinecraft mod for 1.21.8

This mod adds several new biomes, mobs, blocks, and even water to the nether

client and servernewest supported 1.21.8AdventureWorldgen
Latest version
1.2.14
Minecraft
1.21.4 to 1.21.8
Java
Java 21+
Loader
NeoForge
Licence
MIT
Downloads
295
Updated
30 d ago
Available on
Modrinth
Space NodePartner

Host Nether Expansion servers

One click and Nether Expansion is installed with the right loader, on hardware built for it.

  • 1.21.8
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version Nether Expansion declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.8NeoForge21+declared17 Jul 2025
1.21.7NeoForge21+declared30 Jun 2025
1.21.4NeoForge21+declared3 Dec 2024

Download

From Nether Expansion’s own host. Nothing is re-hosted here.

1.2.14release3 Jul 2026

infernal-1.2.14-neoforge-1.21.8.jar · 26.1 MB · for 1.21.7, 1.21.8

Download latest
b1b40ccdd7b8…
Older versions22
  • 1.2.1331 May 20261.21.7, 1.21.826.1 MB15 downloads5f464f68fe87…Get
  • 1.2.1212 Apr 20261.21.7, 1.21.826.1 MB11 downloads3b06eef0eb54…Get
  • 1.2.1111 Apr 20261.21.7, 1.21.812.8 MB8 downloads569654c647fe…Get
  • 1.2.1011 Feb 20261.21.412.8 MB32 downloads539e7e495626…Get
  • 1.2.931 Jan 20261.21.412.8 MB13 downloads41426c90c638…Get
  • 1.2.819 Jan 20261.21.412.7 MB10 downloads148472929c81…Get
  • 1.2.718 Jan 20261.21.412.7 MB10 downloads3964332faaf6…Get
  • 1.2.613 Jan 20261.21.412.7 MB13 downloads18a40b356a88…Get
  • 1.2.513 Jan 20261.21.412.7 MB7 downloadsfd963f3fd588…Get
  • 1.2.412 Jan 20261.21.412.7 MB8 downloads0ccea47d109e…Get
  • 1.2.312 Jan 20261.21.412.6 MB13 downloads58aaf04e1af2…Get
  • 1.2.111 Jan 20261.21.49.8 MB10 downloadsd153b688227f…Get
  • 1.2.010 Jan 20261.21.49.7 MB12 downloads2f2cd5c325db…Get
  • 1.1.19 Jan 20261.21.49.2 MB14 downloads4d5b16fbdf5d…Get
  • 1.1.09 Jan 20261.21.49.2 MB9 downloadsfb9ded7158dd…Get
  • 1.0.130 Dec 20251.21.49.0 MB16 downloadsa4cd151db496…Get
  • 1.0.027 Dec 20251.21.49.0 MB19 downloads5eab4b5c8236…Get
  • 0.9.12 Dec 20251.21.48.9 MB17 downloadsfe47044fa635…Get
  • 0.9.028 Nov 20251.21.48.9 MB14 downloadsb4ce647ff74b…Get
  • 0.8.426 Nov 20251.21.40.4 MB9 downloads60c500b91c1a…Get
  • 0.8.117 Nov 20251.21.40.4 MB18 downloads7d63ff5eea6d…Get
  • 0.8.016 Nov 20251.21.40.4 MB13 downloads2344803629d5…Get

Frequently asked

Does Nether Expansion work on Minecraft 1.21.8?

Yes. 1.21.8 is the newest Minecraft version Nether Expansion declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Nether Expansion support?

Everything the author has declared, from 1.21.4 up to 1.21.8. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Nether Expansion on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which loader does Nether Expansion need?

NeoForge. A build for one loader will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Nether Expansion?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the mod itself.

What licence is Nether Expansion under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Nether Expansion?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Nether Expansion safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

Entity CullingUsing async path-tracing to hide Block-/Entities that are not visibleFerriteCoreMemory usage optimizationsImmediatelyFastSpeed up immediate mode rendering in MinecraftYetAnotherConfigLib (YACL)A builder-based configuration library for Minecraft!Xaero's MinimapDisplays a map of the nearby world terrain, players, mobs, entities in the corner of your screen. Lets you create waypoints which help you find the locations you've marked.[ETF] Entity Texture FeaturesEmissive, Random & Custom texture support for entities in resourcepacks just like Optifine but for Fabric

Last checked 6 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

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