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Invincible ProtocolMinecraft modpack for 1.21.1

Invincible Protocol is a RPG Modpack for players wanting to play in the world of Invincible!

client and servernewest supported 1.21.1AdventureChallengingCombatMultiplayer
Latest version
1.0.3
Minecraft
1.21.1
Loader
NeoForge
Licence
LicenseRef-Custom-Licence
Downloads
39.3k
Updated
1 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Invincible Protocol servers

One click and Invincible Protocol 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 Invincible Protocol declares support for, newest first, with the Java runtime that version needs.

Other modpacks
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge21+declared8 Aug 2024

Download

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

1.0.3release2 Jun 2026

InvincibleProtocol-[1.0.3].mrpack · 19.2 MB · for 1.21.1

Download latest
5057a4318d19
Older versions3
  • 1.0.28 May 20261.21.118.9 MB7.4k downloads838c28cb24d7Get
  • 1.0.113 Mar 20261.21.118.9 MB12.9k downloads4ce8eb9a9255Get
  • 1.0.027 Feb 20261.21.118.1 MB583 downloads4b9d40589e3aGet

Frequently asked

Does Invincible Protocol work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Invincible Protocol 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 Invincible Protocol 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 loader does Invincible Protocol 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 Invincible Protocol?

On the newest Minecraft release it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the modpack itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is Invincible Protocol under?

LicenseRef-Custom-Licence, 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 Invincible Protocol?

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 Invincible Protocol safely?

From the author's own page on Modrinth, 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 21 d ago against Modrinth. 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? .