








Fantastic Worlds
A mod all about tweaking your World-Generation. Adjusted Generation-Parameters for rougher Terrain.

Features
- New Build-Height: 512 (before 320)
- New World-Depth: -128 (before -64)
- Lava-Level: -114 (before -54)
- Rougher Terrain and higher Mountains - even reaching beyond a height of 320 Blocks!
- Adds an own Custom-World-Preset (1.2.0 and beyond)
This mod replaces Minecraft’s default world generation. Simply create a new world and start exploring!

General Information
This mod currently supports Fabric and Forge in 1.20 to 1.20.4, as well as 1.21 and beyond.
Ensure you’re using the appropriate version of the API.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.4
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as fantastic_worlds-1.21.4-1.2.0.jar — drop this file into the mods folder
- Download size: 3.5 MB
- Download link checked 30 Aug 2026 — working
These come from our own check of the pack file, not from the source page.