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Regions Unexplored Mod for Minecraft 1.21.1, 1.21

A stack of new biomes spread across the Overworld and Nether!

On a server
downloads
14 downloads
views
97 views
Updated
Updated 19.10.2026
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About the Regions Unexplored mod

Regions Unexplored — screenshot 3

Regions Unexplored is a biome mod that overhauls the generation of the overworld and nether in many ways. With 64 new biomes and a plethora of new blocks and items, there's plenty of unique regions out there waiting for you to explore them!

The mod currently lacks a wiki or full up-to-date biome list, but you can ask questions about the mod and hear about the latest updates in my discord.

Regions Unexplored — screenshot 3

Dependencies

If you are on 0.6 or above:

  • Lithostitched 1.7.9 or above
  • Fabric API (Fabric only)
Regions Unexplored — screenshot 4

If you are on 0.5.9 or below:

  • Terrablender
  • Forge Config API Port (Fabric only)
  • Fabric API (Fabric only)
Regions Unexplored — screenshot 6
Regions Unexplored — screenshot 7
Regions Unexplored — screenshot 8

How to install Regions Unexplored

With Millida Launcher

  1. Install Millida Launcher

    The launcher is free: download it at millida.net/launcher and sign in with any nickname.

  2. Click “Install” on this page

    The launcher opens and installs the mod for Minecraft 1.18.2–26.1.2 on Fabric, Forge or NeoForge automatically, together with its dependencies: Fabric API, Lithostitched, TerraBlender.

  3. Launch the game

    A profile with it appears in the launcher: click “Play”.

Manually

  1. Install Fabric, Forge or NeoForge

    The loader must match the game version of the mod file, for example Minecraft 26.1.2. After installing it, a separate profile appears in your launcher.

  2. Download the file for your version

    In the version list above, pick the file regions-unexplored-0.7.0+beta4-neoforge-26.1.jar (6.4 MB) for your game version and loader.

  3. Put it in the mods folder

    The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it. Required dependencies go there too: Fabric API, Lithostitched, TerraBlender.

  4. Launch the loader profile

    Open “Mods” in the main menu: Regions Unexplored should be in the list.

On a server

  1. A server on Fabric, Forge or NeoForge

    The mod only works on a server with the same loader and game version, for example 26.1.2.

  2. File goes into the server’s mods folder

    Stop the server, put the mod file into the mods folder and start the server again.

  3. Use the “To server” button

    On Millida Hosting, the button at the top of the page uploads the file to your server and restarts it for you.

Versions

With dependencies

MinecraftLoaderFileDateActions
1.21.1NeoForge1.21.16.3 MB 8
1.21.1Fabric1.21.16 MB 3
26.1.2NeoForge26.1.26.4 MB
26.1.2Fabric26.1.26.1 MB 2
26.1.2NeoForge26.1.26.4 MB
26.1.2Fabric26.1.26.1 MB
26.1NeoForge26.16.1 MB—
1.21NeoForge1.215.3 MB—

FAQ

Which Minecraft versions does Regions Unexplored work on?

There are files for 26.1.2, 26.1.1, 26.1, 1.21.1, 1.21, 1.18.2. The newest is 26.1.2.

Is Regions Unexplored for Forge or Fabric?

There are files for Fabric: 1.21.1–26.1.2, for Forge: 1.18.2 and for NeoForge: 1.21–26.1.2.

What does Regions Unexplored need to work?

Required: Fabric API, Lithostitched, TerraBlender. Without them the mod will not start: dependencies go into the same mods folder.

Does Regions Unexplored work on a server?

Yes. Regions Unexplored works both in singleplayer and on a server.

Where can I download Regions Unexplored safely?

On this page: the file regions-unexplored-0.7.0+beta4-neoforge-26.1.jar (6.4 MB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: e064a1e17878604b7e13c65731d88a109addaf85.

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