Minecraft 1.21.4 has 305 World Gen mods on MineUniverse, with more than 1.6 billion downloads combined. Towns and Towers is the most downloaded of them.
Spice up your world with new villages, pillager outposts, and even new ships!
Adds more variations of vanilla structures and features such as a Jungle Fortress!
An overhaul of the main End Island where the dragon fight takes place!
A simplistic, vanilla-friendly collection of new structures.
Enhances and creates new villages and pillager outposts, that perfectly fit into your Minecraft world.
Tree library used by popular mods such as Oh The Biomes We've Gone.
An astounding sequel to the original BYG mod for 1.20.1+ with over 50+ biomes ranging from the magical to the realistic and all breathtaking!
This mod aims to improve the underground by adding new cave biomes, mobs, ores... etc
Adds > 250 new structures that integrate perfectly into your world!
Elegant - and likely hostile - vessels lost in the seven seas...
Adds more variations of vanilla structures and features!
A handful of additions to vanilla Nether biomes
Structures – Structures & Exploration
An extensive mod that adds new structures to your game. updated Oct 14, 2026
Oh The Trees You'll Grow
Tree library used by popular mods such as Oh The Biomes We've Gone. updated Oct 10, 2026
Seamless Ores
Universal ore variants for vanilla and modded stones, so every ore blends into the stone it generates in. Supports vanilla and modded ores,… updated Oct 9, 2026
Endercon
Revamp of the end generation with an emphasis on level design, traversal and variety updated Oct 7, 2026
Bigger Better End Cities
Rewrites end city generation to be bigger and better updated Sep 23, 2026
Bricklands
Turns your world generation into staggered bricks with different biomes! Inspired by the Hexlands mod updated Sep 20, 2026
Behind Towns and Towers, the ranking continues with Repurposed Structures (Neoforge/Forge), Yeetus Experimentus, Structory and Terralith.
With 305 of 10,132, World Gen mods account for 3% of all mods for 1.21.4. Split by loader, the numbers for 1.21.4 are NeoForge 239, Fabric 196, Forge 120 and Quilt 81. Some mods support more than one loader, so these numbers add up to 636, more than the 305 in total.
Recent activity: 8 World Gen mods (3%) got a new file for 1.21.4 in the last 30 days. Recently updated picks include Structures – Structures & Exploration, Oh The Trees You'll Grow and Seamless Ores. Mojang released Minecraft 1.21.4 on December 3, 2024. Against its nearest versions, 1.21.4 has 537 fewer World Gen mods than 1.21.1 (842) and 23 more than 26.1.2 (282).
By downloads, the leading World Gen mods for Minecraft 1.21.4 are Towns and Towers, Repurposed Structures (Neoforge/Forge), Yeetus Experimentus, Structory and Terralith.
MineUniverse currently has 305 World Gen mods for Minecraft 1.21.4. Recent activity: 8 World Gen mods (3%) got a new file for 1.21.4 in the last 30 days. Together they have more than 1.6 billion downloads.
1. Install the mod loader the mod is made for (Forge, Fabric, NeoForge or Quilt) for your Minecraft version. 2. Download the mod file (.jar) that matches your Minecraft and loader version. 3. Put the .jar into the mods folder of your Minecraft directory (.minecraft/mods). 4. Start Minecraft with the loader profile selected in the launcher.
NeoForge leads with 239 mods, followed by Fabric (196), Forge (120) and Quilt (81). Some mods support more than one loader, so these numbers add up to 636, more than the 305 in total.
Yes. All 305 World Gen mods for Minecraft 1.21.4 on MineUniverse are free to download.
