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Koopa's CrittersMinecraft mod for 1.21.1

Adds obscure & endangered animals to minecraft

client and servernewest supported 1.21.1AdventureMobsDecorationWorldgen
Latest version
0.5
Loaders
Forge, NeoForge
Licence
LicenseRef-All-Rights-Reserved
Downloads
13.1k
Updated
6 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Koopa's Critters servers

One click and Koopa's Critters is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Forge
  • 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 Koopa's Critters declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Forge, NeoForge21+declared8 Aug 2024
1.20.1Forge, NeoForge17+declared12 Jun 2023

Download

From Koopa's Critters’s own host. Nothing is re-hosted here.

0.5release10 Apr 2026

KoopasCritters_1.20.1Forge_V0.5.jar · 4.5 MB · for 1.20.1

Download latest
79f2090a507d…
Older versions3
  • 0.4.226 Jan 20261.21.14.2 MB1.7k downloads5ab8753070c7…Get
  • 0.4.125 Dec 20251.20.14.2 MB944 downloads0e68d86ad00b…Get
  • 0.420 Dec 20251.21.14.3 MB154 downloadsfa4273dde849…Get

Frequently asked

Does Koopa's Critters work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Koopa's Critters 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 Koopa's Critters support?

Everything the author has declared, from 1.20.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Koopa's Critters 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 Koopa's Critters support?

Forge, 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 Koopa's Critters?

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

What licence is Koopa's Critters 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 Koopa's Critters?

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 Koopa's Critters 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. The download link goes to the source recorded for that release; verify the publisher, filename and 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 10 Apr 2026. 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? .