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Improved Mobs (Fabric)Minecraft mod for 1.21.1

Harder mobs for increased difficulty

newest supported release 1.21.1World Mobs
Latest version
improvedmobs-1.21.1-1.16.0-fabric.jar
Minecraft
1.18 to 1.21.1
Java
Java 21+
Loader
Fabric
Licence
not stated
Downloads
346.7k
Updated
3 mo ago
Available on
CurseForge

Minecraft versions

Every version Improved Mobs (Fabric) declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric21+declared8 Aug 2024
1.20.6Fabric21+declared29 Apr 2024
1.20.1Fabric17+declared12 Jun 2023
1.19.4Fabric17+declared14 Mar 2023
1.19.2Fabric17+declared5 Aug 2022
1.19.1Fabric17+declared27 Jul 2022
1.19Fabric17+declared7 Jun 2022
1.18.2Fabric17+declared28 Feb 2022
1.18.1Fabric17+declared10 Dec 2021
1.18Fabric17+declared30 Nov 2021

Download

From Improved Mobs (Fabric)’s own host. Nothing is re-hosted here.

Browse 40 indexed releases

Most recently published release

improvedmobs-1.21.1-1.16.0-fabric.jarrelease21 Aug 2026

improvedmobs-1.21.1-1.16.0-fabric.jar · 0.4 MB · for 1.21.1 · Fabric

Download this release
d23241113d52…
Older versions24
  • improvedmobs-1.20.1-1.13.7-fabric.jar19 Jun 20261.20.10.3 MB82c17bc99507…Get
  • improvedmobs-1.21.1-1.15.2-fabric.jar19 Nov 20251.21.10.4 MB77bf496e2951…Get
  • improvedmobs-1.21.1-1.15.1-fabric.jar27 Oct 20251.21.10.4 MBaf2257ef7547…Get
  • improvedmobs-1.21.1-1.15.0-fabric.jar26 Oct 20251.21.10.4 MBf0080132283a…Get
  • improvedmobs-1.21.1-1.14.2-fabric.jar23 Jul 20251.21.10.3 MB6f3ef749ec9d…Get
  • improvedmobs-1.21.1-1.14.1-fabric.jar23 Jul 20251.21.10.3 MBa9f2ea7c219f…Get
  • improvedmobs-1.21.1-1.14.0-fabric.jar23 Jul 20251.21.10.3 MB033c00f32461…Get
  • improvedmobs-1.20.1-1.13.6-fabric.jar19 Jul 20251.20.10.3 MBc6f461eec31e…Get
  • improvedmobs-1.21.1-1.13.5-fabric.jar9 May 20251.21.10.3 MB776e7e42f21b…Get
  • improvedmobs-1.20.1-1.13.5-fabric.jar9 May 20251.20.10.3 MB10736b3bbefd…Get
  • improvedmobs-1.18.2-1.13.5-fabric.jar9 May 20251.18.20.3 MB598d7618ba84…Get
  • improvedmobs-1.21.1-1.13.4-fabric.jar6 May 20251.21.10.3 MBd69c6b06dcde…Get
  • improvedmobs-1.20.1-1.13.4-fabric.jar6 May 20251.20.10.3 MBa19dc727b305…Get
  • improvedmobs-1.18.2-1.13.4-fabric.jar6 May 20251.18.20.3 MBf21969103371…Get
  • improvedmobs-1.21.1-1.13.3.b-fabric.jar15 Feb 20251.21.10.3 MB693b9637d6cc…Get
  • improvedmobs-1.20.1-1.13.3-fabric.jar24 Dec 20241.20.10.3 MBe597750fce33…Get
  • improvedmobs-1.21.1-1.13.2-fabric.jar30 Nov 20241.21.10.3 MB8994bcc75096…Get
  • improvedmobs-1.20.1-1.13.2-fabric.jar30 Nov 20241.20.10.3 MBced336ed8865…Get
  • improvedmobs-1.18.2-1.13.2-fabric.jar30 Nov 20241.18.20.3 MB67e67b08fb73…Get
  • improvedmobs-1.21.1-1.13.1-fabric.jar27 Oct 20241.21.10.3 MB0c374e984a36…Get
  • improvedmobs-1.21.1-1.13.0-fabric.jar12 Oct 20241.21.10.3 MB54912af9a732…Get
  • improvedmobs-1.20.1-1.13.0-fabric.jar12 Oct 20241.20.10.3 MBb13dd08ae007…Get
  • improvedmobs-1.18.2-1.13-fabric.jar12 Oct 20241.18.20.3 MB4fb1dc40be1a…Get
  • improvedmobs-1.20.6-1.12.4.b-fabric.jar30 May 20241.20.60.3 MB00848c512d27…Get

Frequently asked

Does Improved Mobs (Fabric) work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Improved Mobs (Fabric) 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 Improved Mobs (Fabric) support?

Everything the author has declared, from 1.18 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 Improved Mobs (Fabric) support?

Fabric. 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 Improved Mobs (Fabric)?

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 Improved Mobs (Fabric)?

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 Improved Mobs (Fabric) 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 21 Aug 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? .