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Adaptive DifficultyMinecraft mod for 1.21.8

Allows each player to use a different difficulty in-game.

client and servernewest supported release 1.21.8Game MechanicsSocial
Latest version
1.0.2
Loaders
Forge, NeoForge
Licence
GPL-3.0-or-later
Downloads
2.1k
Updated
3 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Adaptive Difficulty servers

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

  • 1.21.8
  • Forge
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Adaptive Difficulty declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.8Forge, NeoForge21+declared17 Jul 2025
1.21.4Forge, NeoForge21+declared3 Dec 2024
1.21.1Forge, NeoForge21+declared8 Aug 2024
1.20.1Forge, NeoForge17+declared12 Jun 2023

Download

From Adaptive Difficulty’s own host. Nothing is re-hosted here.

Most recently published release

1.0.2release29 Jul 2026

adaptive_difficulty-1.0.2-neoforge-1.21.8.jar · 40 KB · for 1.21.8 · NeoForge

Download this release
0a3e9723063d…
Older versions2
  • 1.0.029 Jul 20261.21.442 KB1.2k downloads36df10b8b734…Get
  • 1.0.15 Jul 20251.21.142 KB722 downloads6e5c7140bbbb…Get

Frequently asked

Does Adaptive Difficulty work on Minecraft 1.21.8?

Yes. 1.21.8 is the newest Minecraft version Adaptive Difficulty 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 Adaptive Difficulty support?

Everything the author has declared, from 1.20.1 up to 1.21.8. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Adaptive Difficulty 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 Adaptive Difficulty 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 Adaptive Difficulty?

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 licence is Adaptive Difficulty under?

GPL-3.0-or-later, 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 Adaptive Difficulty?

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 Adaptive Difficulty 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.

Details from Modrinth, where the author last updated it on 29 Jul 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? .