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FastChunkGenMinecraft mod for 1.20.1

FastChunkGen is a unofficial forge port of C2ME with fixes, stability and performance improvements.

newest supported 1.20.1Bug FixesPerformance
Latest version
fastchunkgen-0.1.2-all.jar
Minecraft
1.20.1
Java
Java 17+
Loader
Forge
Licence
not stated
Downloads
10.8k
Updated
9 d ago
Available on
CurseForge
Space NodePartner

Host FastChunkGen servers

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

  • 1.20.1
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.20.1Forge17+declared12 Jun 2023

Download

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

fastchunkgen-0.1.2-all.jarrelease31 Jul 2026

fastchunkgen-0.1.2-all.jar · 1.2 MB · for 1.20.1

Download latest
da6e8414fcae…
Older versions3
  • fastchunkgen-0.1.2.jar30 Jul 20261.20.10.6 MB67 downloadsbfb94cac7fba…Get
  • fastchunkgen-0.1.1.jar29 Jul 20261.20.10.6 MB89 downloads677bb7fbfc67…Get
  • fastchunkgen-0.1.0-all.jar28 Jul 20261.20.11.2 MB1 downloads2777232d7517…Get

Frequently asked

Does FastChunkGen work on Minecraft 1.20.1?

Yes. 1.20.1 is the newest Minecraft version FastChunkGen 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 loader does FastChunkGen need?

Forge. 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 FastChunkGen?

Java 17 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.

How do I install FastChunkGen?

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 FastChunkGen safely?

From the author's own page on CurseForge, 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 4 d ago against CurseForge. 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? .