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Cobblemon Ultra WormholesMinecraft mod for 1.21.1

Server Raid-like Ultra Wormhole events that spawn boss Ultra Beasts for players to battle and catch.

server onlynewest supported release 1.21.1Mobs
Latest version
1.1.1
Minecraft
1.21.1
Java
Java 21+
Loaders
Fabric, NeoForge
Licence
LicenseRef-All-Rights-Reserved
Downloads
47.6k
Updated
7 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Cobblemon Ultra Wormholes servers

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

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

Minecraft versions

Every version Cobblemon Ultra Wormholes declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, NeoForge21+declared8 Aug 2024

Download

From Cobblemon Ultra Wormholes’s own host. Nothing is re-hosted here.

For Minecraft 1.21.1

Choose the loader you use before downloading.

  • NeoForge

    1.1.1 · 6 Apr 2026 · cobblemon_ultra_wormholes-neoforge-1.1.1.jar

    Get NeoForge

  • Fabric

    1.0.0 · 15 Mar 2026 · cobblemon_ultra_wormholes-fabric-1.0.0.jar

    Get Fabric

Most recently published release

1.1.1release6 Apr 2026

cobblemon_ultra_wormholes-neoforge-1.1.1.jar · 0.3 MB · for 1.21.1 · NeoForge

Download this release
71050b5d99ac…
Older versions1
  • 1.0.015 Mar 20261.21.10.2 MB600 downloads87c6ee8f0595…Get

Frequently asked

Does Cobblemon Ultra Wormholes work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Cobblemon Ultra Wormholes 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 Cobblemon Ultra Wormholes on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

Which platform or loader does Cobblemon Ultra Wormholes support?

Fabric, 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 Cobblemon Ultra Wormholes?

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 Cobblemon Ultra Wormholes under?

LicenseRef-All-Rights-Reserved, 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 Cobblemon Ultra Wormholes?

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 Cobblemon Ultra Wormholes 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.

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!BookshelfAn open source library for other mods!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Enchantment DescriptionsAdds in-game descriptions for enchantments to tooltips.

Details from Modrinth, where the author last updated it on 6 Apr 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? .