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Superflat Biome ExtensionMinecraft mod for 26.3

Adds a flat world type with regular biome distribution.

client and servernewest supported release 26.3Worldgen
Latest version
0.3-beta-26.3-fabric
Minecraft
1.21.6 to 26.3
Java
Java 25+
Loader
Fabric
Licence
MIT
Downloads
1.8k
Updated
1 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Superflat Biome Extension servers

One click and Superflat Biome Extension is installed with the right loader, on hardware built for it.

  • 26.3
  • 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 Superflat Biome Extension declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
26.3Fabric25+declared15 Sept 2026
26.2Fabric25+declared16 Jun 2026
1.21.8Fabric21+declared17 Jul 2025
1.21.7Fabric21+declared30 Jun 2025
1.21.6Fabric21+declared17 Jun 2025

Download

From Superflat Biome Extension’s own host. Nothing is re-hosted here.

Most recently published release

0.3-beta-26.3-fabricbeta18 Sept 2026

superflatbiomeextension-0.3-beta-26.3-fabric.jar · 0.1 MB · for 26.3 · Fabric

Download this release
8fcde014d3f6…
Older versions3
  • 0.2-beta-26.2-fabric1 Sept 202626.20.1 MB9ebb6b4991a2…Get
  • 1.0.0-beta-1-26.2-fabric11 Aug 202626.273 KBccead72a08a0…Get
  • 1.0.0-beta-1-fabric19 Jun 20251.21.8, 1.21.7, 1.21.681 KB1.2k downloads9bfd8bbd5627…Get

Frequently asked

Does Superflat Biome Extension work on Minecraft 26.3?

Yes. 26.3 is the newest Minecraft version Superflat Biome Extension 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 Superflat Biome Extension support?

Everything the author has declared, from 1.21.6 up to 26.3. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Superflat Biome Extension 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 Superflat Biome Extension support?

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 Superflat Biome Extension?

Among the supported Minecraft releases above, the highest recorded requirement is Java 25 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is Superflat Biome Extension 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 Superflat Biome Extension?

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 Superflat Biome Extension 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. When available, recorded download links go to the source for that release; verify the publisher, filename and any available 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 18 Sept 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .