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modpack

Middle Magnum OpusMinecraft modpack for 1.21.1

An exploration and building based modpack with numerous dungeons and mystical artifacts scattered throughout the world.

newest supported release 1.21.1MultiplayerAdventure And RpgExploration
Latest version
Middle Magnum Opus-1.19.zip
Minecraft
1.19.2 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Forge
Licence
not stated
Downloads
3.9k
Updated
10 d ago
Available on
CurseForge
Space NodeOur hosting

Host Middle Magnum Opus servers

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

  • 1.21.1
  • NeoForge
  • Forge
  • One click modpack install
  • Dependencies handled
  • Tuned startup flags
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Middle Magnum Opus declares support for, newest first, with the Java runtime that version needs.

Other modpacks
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.20.1NeoForge, Forge17+declared12 Jun 2023
1.19.2NeoForge, Forge17+declared5 Aug 2022

Download

From Middle Magnum Opus’s own host. Nothing is re-hosted here.

Browse 50 indexed releases

Most recently published release

Middle Magnum Opus-1.19.ziprelease29 Oct 2026

Middle-Magnum-Opus-1.19.zip · 1.8 MB · for 1.21.1 · NeoForge

Download this release
4bd59774ebce…
Older versions24
  • Middle Magnum Opus-1.18.zip14 Oct 20261.21.11.7 MBabd9eb7909ff…Get
  • Middle Magnum Opus-1.17.zip3 Oct 20261.21.11.7 MBa49596aae1c3…Get
  • Middle Magnum Opus-1.16.zip1 Oct 20261.21.11.7 MBf222e2a15e4d…Get
  • Middle Magnum Opus-1.15.zip15 Sept 20261.21.11.6 MB438d2a6215c1…Get
  • Middle Magnum Opus-1.14.zip6 Sept 20261.21.11.6 MB7cff71ff38af…Get
  • Middle Magnum Opus-1.13.zip3 Sept 20261.21.11.6 MB74e0b3e0310b…Get
  • Middle Magnum Opus-1.12.zip26 Aug 20261.21.11.5 MBe4f9c95ecd9e…Get
  • Middle Magnum Opus-1.11.zip20 Aug 20261.21.11.4 MB49383cfc7e85…Get
  • Middle Magnum Opus-1.10.zip13 Aug 20261.21.11.4 MB0b9926220ece…Get
  • Middle Magnum Opus-1.09.zip26 Jul 20261.21.11.3 MB13 downloads7b65fe5cbdf3…Get
  • Middle Magnum Opus-1.08.zip22 Jul 20261.21.11.3 MB9 downloads4abc05721cf5…Get
  • Middle Magnum Opus-1.07.zip21 Jul 20261.21.11.3 MB13 downloads8ba03a880356…Get
  • Middle Magnum Opus-1.06.zip15 Jul 20261.21.11.2 MB8 downloads785f0f339c26…Get
  • Middle Magnum Opus-1.05.zip30 Jun 20261.21.11.2 MB8 downloads44e6c1e123ea…Get
  • Middle Magnum Opus-1.04.zip28 Jun 20261.21.11.2 MB9 downloadseb03b2ca46fe…Get
  • Middle Magnum Opus-1.03.zip12 Jun 20261.21.11.1 MB11 downloadsfb0775551205…Get
  • Middle Magnum Opus-1.02.zip7 May 20261.21.11.1 MB17 downloads18a890a4cdf5…Get
  • Middle Magnum Opus-1.01.zip24 Apr 20261.21.11.1 MBeecb8638968a…Get
  • Middle Magnum Opus-1.00.zip27 Mar 20261.21.11.0 MB9 downloadsce6ec71ff4a4…Get
  • Middle Magnum Opus-0.99.zip2 Mar 20261.20.11.6 MB10 downloads638b3e3e1a75…Get
  • Middle Magnum Opus-0.98.zip23 Jan 20261.20.11.6 MB10 downloads506b278518a1…Get
  • Middle Magnum Opus-0.97.zip1 Jan 20261.20.11.6 MB6 downloadsca1bfcdd675c…Get
  • Middle Magnum Opus-0.96.zip12 Dec 20251.20.11.6 MB9 downloads2fbe85684659…Get
  • Middle Magnum Opus-0.95.zip16 Nov 20251.20.11.6 MB11 downloadse1e655953597…Get

Frequently asked

Does Middle Magnum Opus work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Middle Magnum Opus 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 Middle Magnum Opus support?

Everything the author has declared, from 1.19.2 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Middle Magnum Opus support?

NeoForge, Forge. 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 Middle Magnum Opus?

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.

How do I install Middle Magnum Opus?

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 Middle Magnum Opus safely?

Start with the author's page on CurseForge, 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 CurseForge, where the author last updated it on 29 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? .