WorldgenTweaks

WorldgenTweaks

A small collection of worldgen tweaks

by
363 Downloads
fabricworldgen
Rent Server with this Mod

Screenshots

Taiga
WorldgenTweaks Screenshot 2
Jagged Peaks
Cherry Grove

About this Mod

A collection of small tweaks to Minecraft's worldgen

Example Terrain

Features:

  • Fixes bug MC-258859 allowing steep condition to be met in all cardinal directions
  • Snow correctly generates under trees and on leaves
  • Steep terrain is replaced with stone

Available Versions

WorldgenTweaks 0.1release
MC 1.21.11fabric
December 21, 2025
WorldgenTweaks 0.1release
MC 1.21.10fabric
October 8, 2025
WorldgenTweaks 0.1release
MC 1.21.9fabric
October 6, 2025
WorldgenTweaks 0.1release
MC 25w35afabric
August 27, 2025
WorldgenTweaks 0.1release
MC 1.21.8fabric
August 27, 2025

How to Install WorldgenTweaks on Your Server

1

Order Server

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

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).

3

Install Mod

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

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11, 1.21.10, 1.21.9 (+2 more)

Server-side

Required

Recommended RAM

6 GB(min. 4 GB)

Frequently Asked Questions

WorldgenTweaks server crashes on startup – what to do?

Most common cause: wrong fabric 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 (1.21.11). You can switch loaders with one click in the panel.

Is WorldgenTweaks compatible with fabric?

WorldgenTweaks officially supports fabric for Minecraft 1.21.11, 1.21.10, 1.21.9. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with WorldgenTweaks – how to optimize performance?

Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if WorldgenTweaks 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 WorldgenTweaks with just one click on your server.

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

Details

License
GNU General Public License v3.0 or later
Server-side
Required

Supported Versions

1.21.111.21.101.21.925w35a1.21.8