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One Enough BlockMinecraft mod for 1.21.1

Easily specify replacing one block with another.

client and servernewest supported 1.21.1UtilityWorldgen
Latest version
1.1.3.1-hotfix
Minecraft
1.20.1 to 1.21.1
Java
Java 21+
Loaders
Forge, NeoForge
Licence
GPL-3.0-only
Downloads
60.7k
Updated
2 mo ago
Available on
Modrinth
Space NodeOur hosting

Host One Enough Block servers

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

  • 1.21.1
  • Forge
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version One Enough Block declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Forge, NeoForge21+declared8 Aug 2024
1.20.1Forge, NeoForge17+declared12 Jun 2023

Download

From One Enough Block’s own host. Nothing is re-hosted here.

1.1.3.1-hotfixrelease6 Apr 2026

OneEnoughBlock-1.1.3.1-hotfix.jar · 83 KB · for 1.20.1

Download latest
9776a4c79e19…
Older versions6
  • 1.1.3.126 Mar 20261.20.182 KB216 downloadsf574d6ac77a4…Get
  • 1.1.319 Jan 20261.20.180 KB9.1k downloads8f4a5f2d7230…Get
  • 1.1.2-hotfix17 Jan 20261.21.183 KB2.1k downloadse3964e1bd3f8…Get
  • 1.1.212 Jan 20261.20.179 KB75 downloads5be51d44c4d2…Get
  • 1.0.014 Dec 20251.21.179 KB1.6k downloads728809a9238c…Get
  • 1.1.1-jech27 Nov 20251.20.178 KB2.1k downloads0f6a579e64e7…Get

Frequently asked

Does One Enough Block work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version One Enough Block 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 One Enough Block support?

Everything the author has declared, from 1.20.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install One Enough Block 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 One Enough Block support?

Forge, NeoForge. 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 One Enough Block?

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 One Enough Block under?

GPL-3.0-only, 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 One Enough Block?

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 One Enough Block 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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Last checked 29 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.

Is this information wrong or missing something? .