Minecraft Java 1.20 Mods
Browse 521 free mods for Minecraft Java 1.20 — popular picks include Distorted Caves Expansion Datapack, Wonderful creatures, Forgin'.
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Distorted Caves Expansion Datapack
A worldgen expansion datapack that adds revamped biomes, mobs, and a challenging new dimension!
Wonderful creatures
This mod adds more mobs, items and biomes Mobs like goblins and stick bugs and item like thorny club
Forgin'
240+ Mods | From magical botania, to tech such as create and Ad astra! New dimensions, biomes, mobs, generation, bosses.. and much more..
Main Survivor Zombie (DEAD)
A survival mod pack set in a world after a global catastrophe. Civilization has collapsed, cities have fallen into ruin, and nature and monsters have taken over the world.
Near Deadly Threat
Adds a few new mobs and biomes (VERY EARLY, BIOMES DON'T WORK YET), I'm not sure if the mobs in this mod spawn naturally, I haven't worked on this specific version in a while. Working on 0.3
Vani's Project
In this project you will find new biomes, new bosses, new mobs, new dimensions all the while using Jujutsu Kaisen powers against harder and stronger mobs by the day. You will be able to colonize too and choose your own fantasy race.
Fire And Water
A minecraft mod which adds fire and water tools, ingots, heaven and fire dimensions, biomes, guns etc. to the game
Plantasia: Nature's Call
Embrace the call of Nature in new world generation!
Eligius - End update
A datapack to enhance the base End dimension adding entirely new biomes but also small world details, mob variants, additions and features.
Eligius
A datapack to enhance the base End dimension adding entirely new biomes but also small world details, mob variants, additions and features.
Slimes Everywhere
Allows Slimes to spawn at night in any biome
Meteorit [WB]
An entity that triggers a meteorite comes as a warning a sound impact and a large explosion animation and a forest fire.
OVERRUN
OVERRUN is a Minecraft 1.20.1 Fabric modpack featuring extreme world generation, hundreds of new biomes and structures, and overhauled mobs for epic exploration.
Mineplus
MinePlus adds new dimensions, biomes, weapons, mobs, and more — expanding Minecraft into a whole new adventure!
Cryptid Core Co Field Operations
Deep in the forests and snowy backcountry, something is watching you. Six blocks tall. Human-shaped. Not human. It leaves footprints, sheds fur, howls at night — and disappears the moment you get too close.

The Aurorian Reborn
A classic dimension mod reborn for Minecraft 1.20.1, which adds many new mobs, biomes, tools, and blocks.
NotYourAvragePack
A feature-packed Minecraft 1.20.1 modpack focused on exploration, adventure, and building, with new biomes, dungeons, mobs, and quality-of-life improvements for a richer and more immersive survival experience.
The Amber Forest
This is a mod adds my own twist on the material known as amber. Adding a new biome, with new amber themed blocks, new amber food, and some new amber mobs to play with. you can also find some funny easter eggs. have fun!
AuroraBound
AuroraBound is a visually-enhanced adventure-survival modpack that expands Minecraft with new biomes, dungeons, mobs, and ambient beauty — all while keeping the vanilla spirit alive.
Aces Full
A modpack for fun. Adds new biomes including many new tree types and ore types, loads of new mobs, a variety of extra crops, and new items such as backpacks, ships, and decorative blocks to expand the capabilities of building.
Expedition 12 Hunters Edition
Added firepower to explore a wide world with new biomes, dimensions, and monsters to discover and slay!
Benate
This is a mod that surrounds a new demigod/boss named Benate. This mod adds a desert dimension and a Forest dimension that have existed for many many years but not thoroughly explored.
Better Village
A hardcore overhaul mod that changes classic mechanics and adds new ores, biomes, and dungeons.
The Nether Update Again
This mod adds 2 new biomes, 4 new mobs, and a new ore to the Nether
Strawcubbery Garden
adding a new biome, a new pet, and other items related to the biome. The idea is taken from the game slime rancher.
zenithium
Zenithium is a mod based on a new dimension (crafting, building, OP entities) with a slightly fantastical atmosphere. travel Portal zenithium in overworld and join this Dimension, explore new biomes and craft you special Items, New Armors and armor Trims
Justin's Ice
Justin's Ice aims to improve the ice and snow biomes by introducing new entities, blocks, structures, and items, without straying too far from vanilla minecraft.
Robby's General Biome Improvements
Improves multiple biomes by adding new mobs and structures!
Mesozoic Marvels
Adds a Forest full of Ancient Dinosaurs!
hightes
this mod has a black and white biome, black and white mobs, and black and white weapons
Travis's Oceanic Biomes
Adds more oceanic biomes to your world!
Expedition 12
Explore a wide world with new biomes, dimensions, and monsters to discover and slay!
Iron Vale
An exploration-focused Minecraft mod adding new dimensions, biomes, structures, creatures, and progression while staying faithful to vanilla Minecraft.
Cool Tools & Weapons - Data Pack
This Data Pack adds: 5 new bosses,30+ new items,1 new dimension,1 new soul system to allow changes to spawners in a survival friendly way,3 new structures to that dimension,5 new biomes;

Newfound Underground
New cave biomes and features, giant roots, explosive coal and little rat things.
the ice of death
the ice of death is a mod adding more content for snow biome