Modern Beta Forge
🟡 Updated this year⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
🖼️ Gallery (9 images)
🔍 Analysis
- 👍 0.2% endorsement rate
- 🏆 #237 of 359 forge mods in this game by downloads
📋 About This Mod
<div style="text-align:center"><img src="https://cdn.modrinth.com/data/cached_images/390fdee436cafc9618e2b15fd2d9325e6e213192_0.webp" alt="Modern Beta Forge"></div> A port of Modern Beta Fabric for Forge 1.12.2! ---------------------------------------------- Enjoy all the toggle-able features of Minecraft 1.12.2 with the faithful re-implementation of the Beta, Alpha, Infdev, and Indev terrain generators. Originally done for a friend's server but now expanded on to match the original Fabric version in feature parity plus additional improvements/fixes. Please don't expect updates beyond bugfixes and minor improvements if I feel like it. ### Features * Terrain generators: * Beta 1.7.3 * Alpha 1.1.2\_01 * Infdev 20100611 * Infdev 20100420 * Infdev 20100415 * Infdev 20100227 * Indev 20100223 * Classic 0.0.23a * Beta Skylands * Pocket Edition v0.6.0 * Release (Vanilla) 1.12.2 * The End * Biome generators: * Beta 1.7.3 * Pocket Edition v0.6.0 (with Beta biomes) * Single/Fixed * Release (Vanilla) 1.12.2 with biome mod support * Biomes O' Plenty (when Biomes O' Plenty mod is installed) * Mix and match terrain and biome generators. * Classic Nether terrain generation. * Options to substitute Beta biomes with other vanilla or mod biomes for the Beta biome generator. * In-game world generation customization, based on the vanilla Customized world type. * Shareable and built-in world generation presets, like with the vanilla Customized world type. * Toggleable modern structures and decoration features. * Accurate Beta sky and Beta biome colors when playing in SP. Optional in MP. * Adjustable cloud height for Modern Beta worlds, y108 by default. * Modified player spawns that place players on beaches like in classic versions. * In-game terrain/biome generation previewer before world creation. * Commands for inspecting and editing generator settings in-game. ### 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. ### Mod Support Additional support is provided for these mods: * Biomes O' Plenty * Buildcraft Energy * Dynamic Trees * Future MC * Millénaire - Download config files (https://github.com/b3spectacled/modernbetaforge-support/tree/main) * Oceanic Expanse * Thaumcraft * Yung's Better Mineshafts These mods are known to cause issues: * Galacticraft - Sky/Fog visual features will be disabled when this is installed. * Muon - This mod is incompatible. * Cave Generator - If you are experiencing tick/entity lag, please disable all biome replacement options to improve performance. * CubicChunks - This mod is incompatible. ### Add-ons Modern Beta supports custom add-ons. Here are a few: * (https://modrinth.com/mod/modern-beta-release-plus) - Adds biome generators from late Beta to early Release versions of Minecraft. * (https://modrinth.com/mod/modern-beta-forge-islands) - Adds island generation for several terrain generators. * (https://modrinth.com/mod/modern-beta-forge-rivers) - Adds river generation for several terrain generators. * (https://modrinth.com/mod/modern-beta-forge-voronoi-climates) - Adds biome generation with customizable biome maps and a visual editor. I personally hate that 1.12.2 menus render at 30 fps, especially when adjusting Modern Beta world settings, here's another mod of mine to fix that: * (https://modrinth.com/mod/smooth-menus) ### Preset Note For accurate generation for non-Beta chunk sources, please select from the built-in presets first; simply changing the chunk source will not accordingly update the needed noise settings. ### Why no Forge version for current versions of Minecraft? I have no plans on working on current versions of Minecraft at the moment. Please take a look at (https://modrinth.com/mod/moderner-beta) for an alternative! ### Credits Thanks to mrburgerUS, SuperCoder7979, Arenovas, Amb0s, PaulEvs, comp500, and the folks behind RetroMCP. The Minecraft Wiki was sourced to provide some descriptions in this mod.

A port of Modern Beta Fabric for Forge 1. 12. 2! ----------------------------------------------
Enjoy all the toggle-able features of Minecraft 1. 12. 2 with the faithful re-implementation of the Beta, Alpha, Infdev, and Indev terrain generators. Originally done for a friend's server but now expanded on to match the original Fabric version in feature parity plus additional improvements/fixes. Please don't expect updates beyond bugfixes and minor improvements if I feel like it.
### Features
Terrain generators: Beta 1. 7. 3 Alpha 1. 1. 2\_01 Infdev 20100611 Infdev 20100420 Infdev 20100415 Infdev 20100227 Indev 20100223 Classic 0. 0. 23a Beta Skylands Pocket Edition v0. 6. 0 Release (Vanilla) 1. 12. 2 The End Biome generators: Beta 1. 7. 3 Pocket Edition v0. 6. 0 (with Beta biomes) Single/Fixed Release (Vanilla) 1. 12. 2 with biome mod support Biomes O' Plenty (when Biomes O' Plenty mod is installed) Mix and match terrain and biome generators. Classic Nether terrain generation. Options to substitute Beta biomes with other vanilla or mod biomes for the Beta biome generator. In-game world generation customization, based on the vanilla Customized world type. Shareable and built-in world generation presets, like with the vanilla Customized world type. Toggleable modern structures and decoration features. Accurate Beta sky and Beta biome colors when playing in SP. Optional in MP. Adjustable cloud height for Modern Beta worlds, y108 by default. Modified player spawns that place players on beaches like in classic versions. In-game terrain/biome generation previewer before world creation. Commands for inspecting and editing generator settings in-game.
### 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.
### Mod Support
Additional support is provided for these mods:
Biomes O' Plenty Buildcraft Energy Dynamic Trees Future MC Millénaire - Download config files (https://github.com/b3spectacled/modernbetaforge-support/tree/main) Oceanic Expanse Thaumcraft Yung's Better Mineshafts
These mods are known to cause issues:
Galacticraft - Sky/Fog visual features will be disabled when this is installed. Muon - This mod is incompatible. Cave Generator - If you are experiencing tick/entity lag, please disable all biome replacement options to improve performance. CubicChunks - This mod is incompatible.
### Add-ons
Modern Beta supports custom add-ons. Here are a few:
(https://modrinth.com/mod/modern-beta-release-plus) - Adds biome generators from late Beta to early Release versions of Minecraft. (https://modrinth.com/mod/modern-beta-forge-islands) - Adds island generation for several terrain generators. (https://modrinth.com/mod/modern-beta-forge-rivers) - Adds river generation for several terrain generators. (https://modrinth.com/mod/modern-beta-forge-voronoi-climates) - Adds biome generation with customizable biome maps and a visual editor.
I personally hate that 1. 12. 2 menus render at 30 fps, especially when adjusting Modern Beta world settings, here's another mod of mine to fix that: * (https://modrinth.com/mod/smooth-menus)
### Preset Note
For accurate generation for non-Beta chunk sources, please select from the built-in presets first; simply changing the chunk source will not accordingly update the needed noise settings.
### Why no Forge version for current versions of Minecraft?
I have no plans on working on current versions of Minecraft at the moment. Please take a look at (https://modrinth.com/mod/moderner-beta) for an alternative!
### Credits
Thanks to mrburgerUS, SuperCoder7979, Arenovas, Amb0s, PaulEvs, comp500, and the folks behind RetroMCP. The Minecraft Wiki was sourced to provide some descriptions in this mod.
📊 Mod Details
- Game
- Minecraft Mods
- Author
- b3spectacled
- Version
- 1.12.2-1.9.7.1
- Downloads
- 11,931
- Endorsements
- 23
- Category
- forge
- Created
- 12/13/2024
- Updated
- 8/26/2026
- Game Versions
- 1.12.2
- Tags
- worldgen
🔧 How to Install Minecraft Mods Mods
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❓ Frequently Asked Questions
Which Minecraft Mods versions does Modern Beta Forge support?
The author lists 1.12.2. Other versions may work but are untested by the author.
What is the latest version of Modern Beta Forge?
Version 1.12.2-1.9.7.1, published 2026-08-26 with 11,931 downloads recorded at the source.
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