mod
Improved MobsMinecraft mod for 1.21.1
Harder mobs for increased difficulty
- Latest version
- 1.21.1-1.16.0.b-neoforge
- Minecraft
- 1.18.2 to 1.21.1
- Java
- Java 21+
- Loaders
- NeoForge, Forge, Fabric
- Licence
- LicenseRef-All-Rights-Reserved
- Downloads
- 584.3k
- Updated
- 3 mo ago
- Available on
- Modrinth
Our hostingHost Improved Mobs servers
One click and Improved Mobs is installed with the right loader, on hardware built for it.
- 1.21.1
- NeoForge
- Forge
- Fabric
- One click mod install
- Loader matched for you
- Ryzen CPUs
- NVMe SSD
Minecraft versions
Every version Improved Mobs declares support for, newest first, with the Java runtime that version needs.
For Minecraft 1.21.1
Choose the loader you use before downloading.
- Get NeoForge
NeoForge
1.21.1-1.16.0.b-neoforge · 22 Aug 2026 · improvedmobs-1.21.1-1.16.0.b-neoforge.jar
- Get Fabric
Fabric
1.21.1-1.16.0-fabric · 21 Aug 2026 · improvedmobs-1.21.1-1.16.0-fabric.jar
Most recently published release
improvedmobs-1.21.1-1.16.0.b-neoforge.jar · 0.4 MB · for 1.21.1 · NeoForge
412a0672ca5e…Older versions24Hide older versions
- 1.21.1-1.16.0-fabric21 Aug 20261.21.10.4 MB
bbdf21e3f9ff…Get - 1.21.1-1.16.0-neoforge21 Aug 20261.21.10.4 MB
751443a177a1…Get - 1.20.1-1.13.7-forge19 Jun 20261.20.10.3 MB
942642182e41…Get - 1.20.1-1.13.7-fabric19 Jun 20261.20.10.3 MB
ba015199c148…Get - 1.21.1-1.15.2-fabric19 Nov 20251.21.10.4 MB
d1ab548bb314…Get - 1.21.1-1.15.2-neoforge19 Nov 20251.21.10.4 MB
f8c651b71074…Get - 1.21.1-1.15.1-neoforge27 Oct 20251.21.10.4 MB
eda831be2740…Get - 1.21.1-1.15.1-fabric27 Oct 20251.21.10.4 MB
65df014a759a…Get - 1.21.1-1.15.0-fabric26 Oct 20251.21.10.4 MB
c850e9ef5096…Get - 1.21.1-1.15.0-neoforge26 Oct 20251.21.10.4 MB
a94f6cda4442…Get - 1.21.1-1.14.2-neoforge23 Jul 20251.21.10.3 MB
21125668a05b…Get - 1.21.1-1.14.2-fabric23 Jul 20251.21.10.3 MB
f52937e2a06b…Get - 1.21.1-1.14.1-neoforge23 Jul 20251.21.10.3 MB
ce3214a623b9…Get - 1.21.1-1.14.1-fabric23 Jul 20251.21.10.3 MB
8169f9c63a24…Get - 1.21.1-1.14.0-neoforge23 Jul 20251.21.10.3 MB
4429af41f5f8…Get - 1.21.1-1.14.0-fabric23 Jul 20251.21.10.3 MB
f75c052ed88b…Get - 1.20.1-1.13.6-forge19 Jul 20251.20.10.3 MB
7b46804330ae…Get - 1.20.1-1.13.6-fabric19 Jul 20251.20.10.3 MB
f37982e20495…Get - 1.21.1-1.13.5-neoforge9 May 20251.21.10.3 MB
269ef307d95c…Get - 1.21.1-1.13.5-fabric9 May 20251.21.10.3 MB
ab3f49462c32…Get - 1.20.1-1.13.5-forge9 May 20251.20.10.3 MB
02fb0a59e993…Get - 1.20.1-1.13.5-fabric9 May 20251.20.10.3 MB
6a4b0bc50099…Get - 1.18.2-1.13.5-forge9 May 20251.18.20.3 MB
ce9b37e795fc…Get - 1.18.2-1.13.5-fabric9 May 20251.18.20.3 MB
b1a58355ed2b…Get
Dependencies
What Improved Mobsdeclares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.
Frequently asked
Does Improved Mobs work on Minecraft 1.21.1?
Yes. 1.21.1 is the newest Minecraft version Improved Mobs 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 support?
Everything the author has declared, from 1.18.2 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 Improved Mobs on the client or the server?
The server only. Players join with an ordinary Minecraft client and install nothing.
Which platform or loader does Improved Mobs support?
NeoForge, Forge, 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?
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.
What does Improved Mobs need to run?
It declares Fabric API, Forge Config API Port and TenshiLib as required, so those have to be installed alongside it or it will not load. Each one is linked in the dependencies section above.
What licence is Improved Mobs 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 Improved Mobs?
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 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. 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.
Is this information wrong or missing something? .