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OmniGenMinecraft mod for 1.21.1

Eliminate server slowdowns thanks to OmniGen's optimized generation and its multiple features.

client and servernewest supported release 1.21.1UtilityGame MechanicsWorldgenOptimization
Latest version
0.3.38
Minecraft
1.21.1
Loader
NeoForge
Licence
MIT
Downloads
1.1k
Updated
5 d ago
Available on
Modrinth
Space NodeOur hosting

Host OmniGen servers

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

  • 1.21.1
  • NeoForge
  • 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 OmniGen declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge21+declared8 Aug 2024

Download

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

Browse 51 indexed releases

Most recently published release

0.3.38release17 Oct 2026

omnigen-0.3.38.jar · 1.1 MB · for 1.21.1 · NeoForge

Download this release
1fff694fd9de…
Older versions24
  • 0.3.37.2425 Sept 20261.21.10.7 MBc8fca5ae9f0d…Get
  • 0.3.37.232 Sept 20261.21.10.6 MB66f0d1a7ef08…Get
  • 0.3.37.22-BETA31 Aug 20261.21.10.6 MBbc30bb319bef…Get
  • 0.3.37.21-BETA30 Aug 20261.21.10.6 MB4f3f52950d9b…Get
  • 0.3.37.20-BETA22 Aug 20261.21.10.6 MB01f860125244…Get
  • 0.3.37.19-BETA21 Aug 20261.21.10.6 MB5e278b5599b8…Get
  • 0.3.37.18-BETA20 Aug 20261.21.10.5 MBce59088201fe…Get
  • 0.3.37.17-BETA2 Aug 20261.21.10.5 MB7850393b2d0b…Get
  • 0.3.37.16-BETA29 Jul 20261.21.10.5 MB25 downloads202d92870b9a…Get
  • 0.3.37.15-BETA28 Jul 20261.21.10.5 MB5 downloadsb1ecee78f9b0…Get
  • 0.3.37.14-BETA27 Jul 20261.21.10.5 MB7 downloads745b7f92b402…Get
  • 0.3.37.13-BETA26 Jul 20261.21.10.5 MB9 downloadsfb9a56e6d21e…Get
  • 0.3.37.12-BETA26 Jul 20261.21.10.5 MB3 downloads485beb580ce0…Get
  • 0.3.37.11-BETA23 Jul 20261.21.10.5 MB20 downloads19887202dade…Get
  • 0.3.37.10-BETA21 Jul 20261.21.10.5 MB6 downloads388a801abb04…Get
  • 0.3.37.9-BETA19 Jul 20261.21.10.4 MB17 downloadscb7e13545856…Get
  • 0.3.37.8-BETA19 Jul 20261.21.10.4 MB5 downloadse0a1d36a19b3…Get
  • 0.3.37.7-BETA18 Jul 20261.21.10.4 MB13 downloads85811db8fa68…Get
  • 0.3.37.6-BETA17 Jul 20261.21.10.4 MB7 downloads0e839cd360a4…Get
  • 0.3.37.5-BETA11 Jul 20261.21.10.4 MB14 downloads2292e9446015…Get
  • 0.3.37.4-BETA10 Jul 20261.21.10.4 MB4 downloadsc19dbd47c87c…Get
  • 0.3.37.3-BETA8 Jul 20261.21.10.4 MB7 downloadsdb3559bd5c87…Get
  • 0.3.37.2-BETA5 Jul 20261.21.10.4 MB9 downloads0d0fdf5bfe16…Get
  • 0.3.37.1-BETA5 Jul 20261.21.10.4 MB3 downloads818bfa44a956…Get

Dependencies

What OmniGendeclares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.

Frequently asked

Does OmniGen work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version OmniGen 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 OmniGen 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 OmniGen support?

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 OmniGen?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is OmniGen 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 OmniGen?

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 OmniGen 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.

Details from Modrinth, where the author last updated it on 22 Oct 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? .