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DementiaMinecraft mod for 1.21.7

Mod adds dementia in minecraft

client and servernewest supported 1.21.7
Latest version
2.1-mc1.21.7
Minecraft
1.18.2 to 1.21.7
Java
Java 21+
Loader
Forge
Licence
LicenseRef-All-Rights-Reserved
Downloads
6.0k
Updated
15 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Dementia servers

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

  • 1.21.7
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.7Forge21+declared30 Jun 2025
1.21.6Forge21+declared17 Jun 2025
1.21.5Forge21+declared25 Mar 2025
1.21.4Forge21+declared3 Dec 2024
1.21.3Forge21+declared23 Oct 2024
1.21.1Forge21+declared8 Aug 2024
1.21Forge21+declared13 Jun 2024
1.20.6Forge21+declared29 Apr 2024
1.20.4Forge17+declared7 Dec 2023
1.20.3Forge17+declared4 Dec 2023
1.20.2Forge17+declared20 Sept 2023
1.20.1Forge17+declared12 Jun 2023
1.19.2Forge17+declared5 Aug 2022
1.18.2Forge17+declared28 Feb 2022

Download

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

2.1-mc1.21.7release10 Jul 2025

dementia-2.1-mc1.21.7.jar · 23 KB · for 1.21.7

Download latest
d2e1dd14cce0…
Older versions22
  • 2.1-mc1.21.620 Jun 20251.21.623 KB87 downloads4b5a60accb66…Get
  • 2.1-mc1.21.520 Jun 20251.21.524 KB63 downloads131ba6fb2251…Get
  • 2.1-mc1.21.4a18 Feb 20251.21.424 KB288 downloads4580b6a82e49…Get
  • 2.1-mc1.21.44 Feb 20251.21.424 KB56 downloadse54f7ff2f6b0…Get
  • 2.1-mc1.21.14 Feb 20251.21.123 KB203 downloadse16c3fb43b03…Get
  • 2.1-mc1.20.64 Feb 20251.20.623 KB47 downloads661ad6077ae9…Get
  • 2.1-mc1.20.14 Feb 20251.20.4, 1.20.3, 1.20.2, 1.20.124 KB2.1k downloads30761f4abf7f…Get
  • 2.1-mc1.19.24 Feb 20251.19.223 KB535 downloads053999deaed4…Get
  • 2.1-mc1.18.24 Feb 20251.18.224 KB61 downloads3a89345bf350…Get
  • 2.0-mc1.19.23 Feb 20251.19.224 KB44 downloads832f5a22fb84…Get
  • 2.0-mc1.20.13 Feb 20251.20.4, 1.20.3, 1.20.2, 1.20.122 KB80 downloadsa6c2b321f3bf…Get
  • 2.0+mc1.20.63 Feb 20251.20.623 KB32 downloads22d1a593faf3…Get
  • 1.0.523 Jan 20251.21.422 KB35 downloadsb1e988f36796…Get
  • 1.0.4c11 Nov 20241.21.121 KB66 downloads6f594a17f430…Get
  • 1.0.4a11 Nov 20241.2121 KB71 downloads3e88bd8c66f6…Get
  • 1.0.422 Jun 20241.18.223 KB43 downloads083ece9298cf…Get
  • 1.0.316 Jun 20241.20.620 KB40 downloads03ac8802ac97…Get
  • 1.0.212 Jun 20241.20.618 KB29 downloadsb714dd534580…Get
  • 1.0.2a12 Jun 20241.20.4, 1.20.3, 1.20.2, 1.20.119 KB37 downloads3200ec510ed0…Get
  • 1.0.17 Jun 20241.20.617 KB36 downloadsfbb740d10d3f…Get
  • 1.0.0a5 Jun 20241.20.68 KB48 downloadse998160e0889…Get
  • 1.0.05 Jun 20241.20.4, 1.20.3, 1.20.2, 1.20.18 KB29 downloadsdfe48c851a2c…Get

Frequently asked

Does Dementia work on Minecraft 1.21.7?

Yes. 1.21.7 is the newest Minecraft version Dementia 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 Dementia support?

Everything the author has declared, from 1.18.2 up to 1.21.7. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Dementia 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 Dementia support?

Forge. 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 Dementia?

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 Dementia 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 Dementia?

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 Dementia 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.

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Details from Modrinth, where the author last updated it on 10 Jul 2025. 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? .