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One Block ModPackMinecraft modpack for 1.21.10

A lightweight OneBlock-based modpack that lets you start on a single regenerating block and build your world from nothing. Includes extra performance mods for smoother gameplay and better stability.

client and servernewest supported 1.21.10AdventureLightweightMultiplayer
Latest version
1.0.0
Minecraft
1.21.10
Java
Java 21+
Loader
Fabric
Licence
CC0-1.0
Downloads
85.0k
Updated
9 mo ago
Available on
Modrinth
Space NodeOur hosting

Host One Block ModPack servers

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

  • 1.21.10
  • Fabric
  • One click modpack install
  • Dependencies handled
  • Tuned startup flags
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other modpacks
MinecraftThroughJavaEvidenceReleased
1.21.10Fabric21+declared7 Oct 2025

Download

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

1.0.0release30 Nov 2025

one block 1.0.0.mrpack · 0.0 MB · for 1.21.10

Download latest
2fe0877df6a0…

Frequently asked

Does One Block ModPack work on Minecraft 1.21.10?

Yes. 1.21.10 is the newest Minecraft version One Block ModPack declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Do I need to install One Block ModPack 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 One Block ModPack need?

Fabric. 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 One Block ModPack?

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

What licence is One Block ModPack under?

CC0-1.0, 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 One Block ModPack?

Use a launcher that imports packs, such as Prism Launcher, the Modrinth App or the CurseForge app, and open the pack file with it. The launcher installs the right loader and mods for you; installing a pack's mods by hand is the error-prone way.

Where do I download One Block ModPack 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.

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Last checked 2 mo 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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