ModsFinder

Rether

by Gardon

Rether is a Magic mod for Forge and NeoForge that adds a separate island world, its hostile mobs and bosses, and a menu for special skills.

ForgeNeoForgeClient and serverAll rights reserved1.20.1 – 1.21.1

What it does

Rether adds a new island world with its own vegetation, trees and flora. A player starts on one lonely island and finds the others by locating a teleporter and stepping onto it. Many of the new hostile mobs and bosses are dangerous, while some mobs are slightly friendlier and a few can be ridden once tamed. Shroomlight, fire, Flint and Gold are among the materials used to build and prepare. The author suggests drinking a Golden Elixir after teleporting. Further discoveries are left to the player.

The mod also includes a menu opened with the Z key, where a player can give themselves special skills. Its items are provided and managed through slots in that menu, so the right items can be placed there. Rether requires GeckoLib, and the bosses should be fought only once well prepared, because otherwise things go badly. Installation covers the server and each player's game. Files exist for 1.20.1 and 1.21.1, with Forge 1.0.4 and NeoForge 1.1.1 as the latest releases. The mod is released under All rights reserved and is not open source.

Key features

  1. Island world

    A separate island dimension with new vegetation, trees and flora, reached by teleporting between islands.

  2. Hostile mobs and bosses

    New hostile mobs and bosses add danger, while some existing mobs are made slightly friendlier.

  3. Tamed riding mobs

    Some of the new mobs can be tamed and ridden after they are befriended.

  4. Skills menu

    Pressing Z opens a menu where the player grants special skills, with the matching items placed in its slots.

Compatibility

Latest build for each game version and loader.

1.21.1Not available1.1.1
1.20.11.0.4Not available
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Use cases

Who it’s for: Players who want a survival adventure on a new island world, with dangerous bosses and a skills menu, and server owners who run it for groups of players.

How it compares

Full comparison

Adventure Time And Craft is a Forge mod for 1.20.1, client-side only and released under the CC0 1.0 Universal license, so servers can run without it. Survival Island is server-side only, open source under the GNU Lesser General Public License v3.0 only, and published for Fabric, Forge and NeoForge across 1.19.2 – 1.21.1. Epic Bosses runs on client and server under the MIT License for Forge and NeoForge across 1.19.2 – 1.21.1, which makes it the closest match for the bosses.

ModLoadersGame versionsEnvironmentUpdated
RetherForge and NeoForge1.20.1 – 1.21.1Client and server2025-05-16
Adventure Time And CraftForge1.20.1Client-side only2025-08-01
Survival IslandFabric, Forge and NeoForge1.19.2 – 1.21.1Server-side only2025-09-10
Epic BossesForge and NeoForge1.19.2 – 1.21.1Client and server2025-09-07

Questions

Does Rether need GeckoLib?

Yes. The mod requires GeckoLib, which must be installed alongside Rether on Forge or NeoForge.

Does the server need Rether?

Yes. A server running it needs every connecting player to have it too.

Which versions does Rether support?

Files exist for 1.20.1 and 1.21.1. There are no builds for the versions between them.

In the catalog

Rether is one of 7,216 Magic mods on ModsFinder, and one of 3,927 Magic mods for Forge. 32,366 mods support Minecraft 1.21.1.

More from Gardon

All projects

Similar mods

What the author says

Rether adds to our game a new island world full of new vegetation, trees, flora, nature and many new dangers in the form of hostile mobs and bosses! The modification also consists of slightly friendlier mobs! Some of them we can even ride and tame! We build it with Shroomlight and fire up Flint and Gold!
Gardon, on the Modrinth page

Official listing

Owner
Gardon
Published
2025-04-29
Updated on Modrinth
2025-05-16
Facts verified
2026-10-15

Tags