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Nether AdditionsMinecraft mod for 1.21.8

Nether Additions is a mod meant to subtly expand on the Nether, in a vanilla friendly style.

client and servernewest supported 1.21.8AdventureDecorationFood
Latest version
1.21.6_1.1.6
Minecraft
1.20 to 1.21.8
Java
Java 21+
Loaders
Quilt, Fabric
Licence
Apache-2.0
Downloads
15.0k
Updated
14 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Nether Additions servers

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

  • 1.21.8
  • Quilt
  • Fabric
  • 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 Additions declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.8Quilt, Fabric21+declared17 Jul 2025
1.21.7Quilt, Fabric21+declared30 Jun 2025
1.21.6Fabric, Quilt21+declared17 Jun 2025
1.21.5Quilt, Fabric21+declared25 Mar 2025
1.21.4Quilt, Fabric21+declared3 Dec 2024
1.21.3Quilt, Fabric21+declared23 Oct 2024
1.21.1Quilt, Fabric21+declared8 Aug 2024
1.21Quilt, Fabric21+declared13 Jun 2024
1.20.6Quilt, Fabric21+declared29 Apr 2024
1.20.5Quilt, Fabric21+declared23 Apr 2024
1.20.4Fabric, Quilt17+declared7 Dec 2023
1.20.3Quilt, Fabric17+declared4 Dec 2023
1.20.2Quilt, Fabric17+declared20 Sept 2023
1.20.1Quilt, Fabric17+declared12 Jun 2023
1.20Quilt, Fabric17+declared2 Jun 2023

Download

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

1.21.6_1.1.6release9 Aug 2025

nether_additions-1.21.6_1.1.6.jar · 0.1 MB · for 1.21.8, 1.21.7, 1.21.6

Download latest
759454b7816f…
Older versions8
  • 1.21.5_1.1.69 Aug 20251.21.50.1 MB273 downloads83b0b1579763…Get
  • 1.1.517 Jun 20251.21.7, 1.21.60.1 MB780 downloads59e641cf03b4…Get
  • 1.1.46 Dec 20241.21.40.1 MB2.3k downloadsc9769f760f49…Get
  • 1.1.33 Dec 20241.21.1, 1.210.1 MB92 downloadse5976e51cfb6…Get
  • 1.1.216 Mar 20241.20.4, 1.20.3, 1.20.2, 1.20.1, 1.200.1 MB3.2k downloads0f705d7da94c…Get
  • 1.1.114 Mar 20241.20.4, 1.20.3, 1.20.2, 1.20.1, 1.200.1 MB115 downloads16ede07bb8c7…Get
  • 1.0.14 Mar 20241.20.4, 1.20.3, 1.20.2, 1.20.1, 1.2097 KB597 downloads430201aec83f…Get
  • 1.0.01 Mar 20241.20.4, 1.20.3, 1.20.2, 1.20.1, 1.2095 KB122 downloadsa1c043f8a492…Get

Frequently asked

Does Nether Additions work on Minecraft 1.21.8?

Yes. 1.21.8 is the newest Minecraft version Nether Additions 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 Additions support?

Everything the author has declared, from 1.20 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 Additions 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 platform or loader does Nether Additions support?

Quilt, Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Nether Additions?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is Nether Additions under?

Apache-2.0, 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 Additions?

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 Additions safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

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

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Details from Modrinth, where the author last updated it on 9 Aug 2025. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .