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Mermod (NeoForge)Minecraft mod for 1.21.11

Adds a necklace that gives players mermaid tails upon contact with water.

newest supported release 1.21.11MagicAdventure RpgCosmetic
Latest version
Mermod 4.0.2 [NeoForge 1.21.11]
Minecraft
1.16.5 to 1.21.11
Java
Java 21+
Loaders
NeoForge, Forge
Licence
not stated
Downloads
2.8M
Updated
3 mo ago
Available on
CurseForge

Minecraft versions

Every version Mermod (NeoForge) declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.11NeoForge, Forge21+declared9 Dec 2025
1.21.4Forge, NeoForge21+declared3 Dec 2024
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.20.6NeoForge, Forge21+declared29 Apr 2024
1.20.4NeoForge, Forge17+declared7 Dec 2023
1.20.2NeoForge, Forge17+declared20 Sept 2023
1.20.1NeoForge, Forge17+declared12 Jun 2023
1.19.4NeoForge, Forge17+declared14 Mar 2023
1.19.2Forge, NeoForge17+declared5 Aug 2022
1.18.2NeoForge, Forge17+declared28 Feb 2022
1.16.5NeoForge, Forge8+declared14 Jan 2021

Download

From Mermod (NeoForge)’s own host. Nothing is re-hosted here.

For Minecraft 1.21.11

Choose the loader you use before downloading.

  • Forge, NeoForge

    Mermod 4.0.2 [NeoForge 1.21.11] · 9 Aug 2026

    Multiple loaders are listed; verify the file before downloading.

    Choose file on publisher ↗

  • NeoForge

    Mermod 4.0.1 [NeoForge 1.21.11] · 18 Mar 2026 · mermod-neoforge-4.0.1+1.21.11.jar

    Get NeoForge

Most recently published release

Mermod 4.0.2 [NeoForge 1.21.11]release9 Aug 2026

mermod-neoforge-4.0.2+1.21.11.jar · 0.2 MB · for 1.21.11 · Forge, NeoForge

Choose file on publisher ↗
e08583a98fd3…
Older versions23
  • Mermod 3.0.3 [Forge/NeoForge 1.20.1]9 Aug 20261.20.10.3 MBf8953c35f6dd…Choose file on publisher ↗
  • Mermod 4.0.1 [NeoForge 1.21.11]18 Mar 20261.21.110.2 MB254704191abb…Get
  • Mermod 3.0.2 [Forge/NeoForge 1.20.1]16 Mar 20261.20.10.3 MB4d80eef90234…Choose file on publisher ↗
  • Mermod 4.0.0 [NeoForge 1.21.11]16 Mar 20261.21.110.2 MB430477336d52…Get
  • Mermod NeoForge 3.3.2 (1.21.1)7 Sept 20251.21.10.2 MB87e45e6a0b09…Get
  • Mermod NeoForge 3.4.0 (1.21.4)6 Sept 20251.21.40.2 MBab98e0a7a377…Get
  • Mermod NeoForge 3.3.1 (1.21.1)30 Jan 20251.21.10.1 MB748fdecf5a6b…Get
  • Mermod NeoForge 3.2.1 (1.20.6)30 Jan 20251.20.60.2 MB5cc5bf75121b…Get
  • Mermod NeoForge 3.3.0 (1.21.1)30 Jan 20251.21.10.1 MB9bb8ebca34be…Get
  • Mermod NeoForge 3.2.0 (1.20.6)29 Jan 20251.20.60.2 MBc05f71108bcc…Get
  • Mermod NeoForge 3.1.0 (1.20.4)15 Oct 20241.20.40.1 MBf37b96ae113c…Get
  • Mermod Forge 3.1.0 (1.20.4)15 Oct 20241.20.40.4 MB092a9d14bd51…Get
  • Mermod Forge 3.0.1 (1.20.1)31 Jul 20241.20.10.3 MB0a8dc5cc873f…Choose file on publisher ↗
  • Mermod Forge 3.0.0 (1.20.1)16 Jun 20241.20.10.3 MB9bc8bee3c74f…Choose file on publisher ↗
  • Mermod NeoForge 3.0.0 (1.20.2)12 Jun 20241.20.20.1 MB21bd344a0b0b…Get
  • Mermod Forge 3.0.0 (1.20.2)12 Jun 20241.20.20.4 MB1b4cc38a23b8…Get
  • Mermod Forge 1.45 Aug 20231.20.10.1 MB78639eb81304…Choose file on publisher ↗
  • Mermod Forge 1.217 Jun 20231.16.50.1 MB2b92a2a36dd9…Get
  • Mermod Forge 1.39 May 20231.19.40.1 MB5c49ed9bc073…Get
  • Mermod Forge 1.1117 Dec 20221.19.20.1 MB78a84dfc7266…Get
  • Mermod Forge 1.0117 Dec 20221.18.20.1 MB16b2061a5e93…Get
  • Mermod Forge 1.121 Nov 20221.19.20.1 MB466c3b272a5a…Get
  • Mermod Forge 1.021 Nov 20221.18.20.1 MBefc2e32e5bd4…Get

Frequently asked

Does Mermod (NeoForge) work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version Mermod (NeoForge) 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 Mermod (NeoForge) support?

Everything the author has declared, from 1.16.5 up to 1.21.11. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Mermod (NeoForge) support?

NeoForge, 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 Mermod (NeoForge)?

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 Mermod (NeoForge)?

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 Mermod (NeoForge) 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 9 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? .