Biome Replacer (Neoforge)

Biome Replacer (Neoforge)

A quick way to get rid of a biome. Useful for tweaking datapack-based generators (like Terralith) that don't have a convenient configuration

by
3.2K Downloads
forgeneoforgegame-mechanicsutilityworldgen
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Screenshots

Side by side comparison
Dark forest replaced by a Cherry Grove

About this Mod

This mod has been offically merged with Biome Replacer Please go there to download.

Biome Replacer Banner
Server-side mod for precise biome control

Overview

Biome Replacer lets you control biome distribution without changing terrain generation. Replace any biome with another while preserving the landscape's shape and only changing biome-specific features like colors, mob spawns, and vegetation.

Use Cases:

  • Remove unwanted biomes
  • Fix mod compatibility issues
  • Enhance almost-perfect world seeds
  • Create custom world experiences
  • Complement worldgen mods like Terralith

Features

  • Simple Biome Swapping: Replace biomes with an easy rule system
  • Tag Support: Replace entire biome categories at once
  • Server-Side: No client installation needed
  • Easy Config: Simple properties file with intuitive syntax

Experimental Features

  • Chance based replacement: Replace any percentage of a biome

Compatibility

  • Works With: Vanilla biomes and most datapack biomes (including Terralith)
  • Limited Support: TerraBlender, Biolith or Lithosphere biomes (use their native options instead)
  • Generally Compatible: Works with most worldgen mods (report issues here)

Setup

  1. Install the mod on your server (or client if your playing singleplayer)
  2. Run the server once to generate config
  3. Find biome_replacer.properties in the config folder
  4. Add your replacement rules

Configuration

Basic Replacement

minecraft:dark_forest > minecraft:cherry_grove

Tag-Based Replacement

#minecraft:is_forest > minecraft:desert

Options

# Disable chat notifications
muteChatInfo = true

Examples

Forest to Cherry Grove

Config:

minecraft:dark_forest > minecraft:cherry_grove
Dark forest replaced by cherry grove

All Forests to Desert

Config:

#minecraft:is_forest > minecraft:desert

Replacing all forests with deserts

Mod Integration

Config:

terralith:lavender_forest > aurorasdeco:lavender_plains
terralith:lavender_valley > aurorasdeco:lavender_plains
Lavender Forest replaced by Lavender Plains

Fixing Problem Biomes

Config:

terralith:cave/infested_caves > minecraft:dripstone_caves
Infested Caves replaced by Dripstone Caves

Resources

Available Versions

1.31release
MC 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4neoforge
February 28, 2025
1.31 - 1.20.1release
MC 1.20.1forge
February 28, 2025
1.3 - 1.20.1release
MC 1.20.1forge
February 28, 2025
1.2.1 - 1.20.1release
MC 1.20.1forge
January 30, 2025
1.2 - 1.20.1release
MC 1.20.1forge
November 23, 2024

How to Install Biome Replacer (Neoforge) on Your Server

1

Order Server

Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).

2

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.4).

3

Install Mod

Open the mod browser in the dashboard and search for "Biome Replacer (Neoforge)". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forgeneoforge

Minecraft Versions

1.21.4, 1.21.3, 1.21.2 (+3 more)

Server-side

Required

Recommended RAM

6 GB(min. 4 GB)

Frequently Asked Questions

Biome Replacer (Neoforge) server crashes on startup – what to do?

Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.

Is Biome Replacer (Neoforge) compatible with forge and neoforge?

Biome Replacer (Neoforge) officially supports forge, neoforge for Minecraft 1.21.4, 1.21.3, 1.21.2. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Biome Replacer (Neoforge) – how to optimize performance?

Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Biome Replacer (Neoforge) consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

Rent Modded Server

Install Biome Replacer (Neoforge) with just one click on your server.

Recommended RAM
6 GBab €12/mo
Min. 4 GB | +1 GB pro 5 Spieler
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1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
MIT License
Server-side
Required

Supported Versions

1.21.41.21.31.21.21.21.11.211.20.1