
Modrinth · Minecraft mod
Modern Beta Forge Islands
Adds island generation for Modern Beta Forge 1.12.2
Quick answer
Which Modern Beta Forge Islands release matches 1.12.2?
Modern Beta Forge Islands 1.12.2-1.10.0.1 targets 1.12.2 with Forge. Installation on the client is optional. Installation on the dedicated server is optional. All 2 required mods have matching files.
Where it goes
Is Modern Beta Forge Islands required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Modern Beta Forge Islands 1.12.2-1.10.0.1 need?
1.12.2-1.10.0.1 on 1.12.2. Every mod below is checked against that same setup.
Install Modern Beta Forge, MixinBooter first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.
1 extra mod was pulled in by another dependency. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Modern Beta Forge Islands without breaking your instance.
Built for Modern Beta Forge Islands 1.12.2-1.10.0.1 on 1.12.2. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.12.2-1.10.0.1. It targets 1.12.2 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Modern Beta Forge, MixinBooter first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.12.2-1.10.0.1. It opens that exact file at the source.
About this project
What does Modern Beta Forge Islands add?

Island Generation for Modern Beta Forge 1.12.2!
An add-on for Modern Beta Forge for 1.12.2 (versions 1.8.0.0 or later) which adds island generation for Beta, Alpha, Infdev 20100611, and Pocket Edition terrain generators.
Now featuring improved generation as compared to the original Fabric Modern Beta.
World Presets
Select from one of these world presets in the Modern Beta world customization menu to quickly get started:
- Xbox Legacy -- Inspired by the early TUs of Minecraft Xbox 360 Edition.
- Survival Island -- Survive on a small island.
- Waterworld -- Start on a small island and venture out into the seas for resources.
Usage
For quick usage, customize the Modern Beta world type, then go to Presets, and finally select from one of the provided presets.
Alternatively, you can modify several settings to control the size and shape of the island, how gradually the island transitions into the ocean, etc. from the Add-on tab.
Server Usage
The following should be done in the server.properties file:
- Set the 'levelType' field to 'modernbeta', without the quotes.
- Set generation options in the 'generator-settings' field. You can create the generator options string using the in-game GUI.
Project description from Modrinth.
Pick your setup
Modern Beta Forge Islands by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.12.2
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Modern Beta Forge Islands versions and loaders
1.12.2-1.10.0.1
modernbetaislands-1.12.2-1.10.0.1.jar
13 Sept 2026
1.12.2-1.10.0.0
modernbetaislands-1.12.2-1.10.0.0.jar
9 Sept 2026
1.12.2-1.1.0.2
modernbetaislands-1.12.2-1.1.0.2.jar
5 Apr 2026
Looking for an older file? The official Modrinth project page is in Resources.