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modpack

Opolis IncMinecraft modpack for 1.21.1

A modpack about buying and selling items

newest supported 1.21.1QuestsExplorationTech
Latest version
Opolis Inc-3.2.zip
Minecraft
1.21.1
Loader
NeoForge
Licence
not stated
Downloads
142.5k
Updated
5 mo ago
Available on
CurseForge
Space NodePartner

Host Opolis Inc servers

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

  • 1.21.1
  • NeoForge
  • One click modpack install
  • Dependencies handled
  • Tuned startup flags
  • 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 Opolis Inc declares support for, newest first, with the Java runtime that version needs.

Other modpacks
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge21+declared8 Aug 2024

Download

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

All 26 releases
Opolis Inc-3.2.ziprelease25 Apr 2026

Opolis Inc-3.2.zip · 4.4 MB · for 1.21.1

Download latest
3e0896db187f
Older versions24
  • Opolis Inc 3.1.zip13 Jan 20261.21.14.5 MB83 downloadsdfc08aca6db3Get
  • Opolis Inc 3.0.zip7 Jan 20261.21.14.7 MB100 downloadsa0c616ebef4eGet
  • Opolis Inc 2.324 Jun 20251.21.16.0 MB9.2k downloads8ab9f654e4e5Get
  • Opolis Inc-2.2.zip13 Jun 20251.21.16.0 MB2.1k downloadsa16faa747305Get
  • Opolis Inc-2.1.zip12 Jun 20251.21.16.0 MB61 downloads89c2d1027f9bGet
  • Opolis Inc-2.0.zip5 Jun 20251.21.16.0 MB2 downloads977d226e1c6fGet
  • Opolis Inc 1.69 Dec 20241.21.14.4 MB22.2k downloads6f541ac86c57Get
  • Opolis Inc 1.59 Dec 20241.21.14.4 MB154 downloadsdca7bdc60dffGet
  • Opolis Inc-1.4.zip29 Nov 20241.21.14.4 MB15.1k downloadsd46af98bfaaaGet
  • Opolis Inc-1.3.zip29 Nov 20241.21.14.4 MB96 downloads35d58c1a914fGet
  • Opolis Inc-1.2.zip21 Nov 20241.21.14.4 MB18.4k downloadsf2aafb3a7dbbGet
  • Opolis Inc-1.1.zip19 Nov 20241.21.14.4 MB4.7k downloadsf4bad679adabGet
  • Opolis Inc 1.010 Nov 20241.21.14.4 MB24.8k downloads9fae4ebbcbb7Get
  • Opolis Inc B8.13 Nov 20241.21.13.3 MB20.8k downloadsfbbf70d925b6Get
  • Opolis Inc B8.02 Nov 20241.21.13.3 MB207 downloadsf5c544656918Get
  • Opolis Inc B7.020 Oct 20241.21.13.3 MB1.3k downloadsfba4d6660568Get
  • Opolis Inc-B6.1.zip16 Oct 20241.21.13.3 MB728 downloads8fbb676060c0Get
  • Opolis Inc B6.015 Oct 20241.21.13.3 MB250 downloadsfb9ccc9f2f2fGet
  • Opolis Inc B5.04 Oct 20241.21.13.3 MB1.8k downloads21426e71fd1aGet
  • Opolis Inc-B4.0.zip27 Sept 20241.21.13.3 MB2.0k downloads5d846b627cfbGet
  • Opolis Inc B3.022 Sept 20241.21.13.3 MB2.9k downloads6e7021b8c82aGet
  • Opolis Inc-B2.2.zip20 Sept 20241.21.13.3 MB1.4k downloadsdc06393ba636Get
  • Opolis Inc-B2.1.zip19 Sept 20241.21.13.2 MB395 downloadsaa4026b742d5Get
  • Opolis Inc B2.019 Sept 20241.21.13.2 MB122 downloads086000d680b1Get

Frequently asked

Does Opolis Inc work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Opolis Inc 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 Opolis Inc need?

NeoForge. 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 Opolis Inc?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the modpack itself.

How do I install Opolis Inc?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the modpack 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 Opolis Inc 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.

Last checked 1 mo 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? .