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Minecraft Java 1.21 Mods

Browse 1,216 free mods for Minecraft Java 1.21 — popular picks include Ornamental Plants, Slayer's Beasts, Eternal Tales.

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Ornamental Plants
1.21.1neoforge

Ornamental Plants

A biome mod themed around botanical decoration.

359kdownloads
Slayer's Beasts
1.21.4neoforge

Slayer's Beasts

Explore new structures and biomes to face off against beasts and bosses on the surface, or in treacherous dungeons.

357kdownloads
Eternal Tales
1.21.1neoforge

Eternal Tales

Eternal Tales is a huge RPG story mod that adds more of new worlds, skills, quests and bosse

347kdownloads
BetterNether: New Dawn
1.21.11fabric

BetterNether: New Dawn

An unofficially maintained continuation of BetterNether for Fabric and NeoForge, bringing the latest BetterNether content to every supported Minecraft version alongside bug fixes, compatibility improvements, and expanded Nether world generation

301kdownloads
Zombie Variants
1.21.6neoforge

Zombie Variants

Add 15 variants of zombies that can appear in different biomes!

296kdownloads
Rev's Better Structures
1.19.2forge

Rev's Better Structures

A mod that adds immersive, randomly generated vanilla-style structures like ruins, trees, and castles to enhance exploration in 1.16+.

289kdownloads
Unnamed Sea
1.19fabric

Unnamed Sea

Additional structures for the sea and beach biomes, focusing on an immersive expansion for the vanilla game.

270kdownloads
Stellarity ~ Lite
1.21.8fabric

Stellarity ~ Lite

Complete rehaul of The End with 23 new gorgeous biomes, world-gen only!

207kdownloads
Better Lush Caves
1.20.5fabric

Better Lush Caves

Some much-needed upgrades for the lush cave biome, and some changes to moss.

206kdownloads
Aerial Hell
1.21.11fabric

Aerial Hell

Sky Dimension & Dungeons, Bosses - from 1.16.5 to 26.1.x

202kdownloads
VanillaBackport: Mob Variants Compat
1.20.1fabric

VanillaBackport: Mob Variants Compat

Compatibility for Biome We've Gone, Terralith, Nature's Spirit & Biomes O' Plenty For VanillaBackport 1.1.5+ Mob Variants

196kdownloads
Nature's & Explorer's Compass Retexture
1.21

Nature's & Explorer's Compass Retexture

Retexture of the Nature and Explorer's compass mods

194kdownloads
Custom World Generation
1.18.2forge

Custom World Generation

Customize your terrain, biome and structure generation

194kdownloads
Jerry's Mod
1.21.1neoforge

Jerry's Mod

A mod about the slime Jerry from CaptainSparklez's playthrough

189kdownloads
Woodlands:Extra
1.21.1fabric

Woodlands:Extra

Most vanilla biomes overhaul+42 new biomes to make the world look more realistic and interesting to explore

188kdownloads
JEI / REI / EMI WorldGen
1.21neoforge

JEI / REI / EMI WorldGen

JEI/REI/EMI Addon for World Gen Information with universal compatibility for all mods ores by utilizing biome generation data

184kdownloads
Incision
1.21.1neoforge

Incision

A nether mod that adds a new vanilla friendly flesh biome

172kdownloads
Netherite Tweaks
1.21.8neoforge

Netherite Tweaks

Fixes issues that prevent nether ores from spawning in modded biomes.

165kdownloads
Larion World Generation
1.21.1fabric

Larion World Generation

World generation overhaul inspired by epic fantasy, designed for exploration

161kdownloads
More Biomes [FORGE] - 1.21 UPDATE!
1.21.1neoforge

More Biomes [FORGE] - 1.21 UPDATE!

A complete modpack focusing on exploration! Discover hundreds of biomes, structures, animals and much more.

156kdownloads
No Man's Land
1.21.1neoforge

No Man's Land

An uncompromising Overworld Overhaul, Enhancing world generation in every biome and environment.

149kdownloads
The Ceilands
1.20.1fabric

The Ceilands

A surreal dimension with bedrock ceiling but no bedrock floor!

146kdownloads
Cobblemon: Cobbled Levels
1.21.1neoforge

Cobblemon: Cobbled Levels

Highly configurable level scaling for wild Pokémon and progression control with many different scaling methods!

136kdownloads
Abyssal Descent
1.20.1forge

Abyssal Descent

This mod adds a new dimension with many new blocks, items, ores, structures, and more.

135kdownloads
MMR - Moog's Mineshafts Reimagined
1.21fabric

MMR - Moog's Mineshafts Reimagined

Large and complex mineshafts themed for various biomes and dimensions. Filled with loot and mobs

134kdownloads
Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
1.21.1neoforge

Arda's Sculks (Ancient City Portal / Deep Dark Dimension)

Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.

125kdownloads
Woodlands:The Core
1.21.1fabric

Woodlands:The Core

Most vanilla biomes overhaul: better trees and more diverse landscapes

125kdownloads
Another Overworld
1.21.1neoforge

Another Overworld

An additional dimension similar to the overworld.

120kdownloads
Big Cherry Blossom Tree House
1.21.11fabric

Big Cherry Blossom Tree House

Adds a new BIG Chery Blossom Tree House to the Cherry Grove Biome

119kdownloads
The Best of Twilight Forest
1.21.1neoforge

The Best of Twilight Forest

Enjoy every bit of the Twilight Forest with a curated selection of mods that will make your journey a lot more pleasurable without removing the challenges the author envisioned. Several exploration aids and storage mods listed in the description!

112kdownloads
Superflat Dimensions
1.20fabric

Superflat Dimensions

Collection of datapacks that create Superflat Overworld, Nether, and End Dimensions, with all Structures and Biomes.

112kdownloads
Sculk Depths
1.21fabric

Sculk Depths

adds a new dimension accessed via the ancient cities in the deep dark biome

111kdownloads
Exotelcraft
1.21.11fabric

Exotelcraft

A large multi-feature Minecraft mod mainly adding the Exotel dimension, toggleable April Fools' snapshot content, overworld additions, craftable world map, and optional Bedrock-styled UI.

109kdownloads
Immersed With Nature
1.21.1neoforge

Immersed With Nature

UPGRADE Your VANILLA Immersion NOW! With Shaders, FPS, Textures, Weather, Soundscapes, World Gen, QoL Mods & More

109kdownloads
Block Factory's Biomes - Add new vanilla+ biomes
1.20.1forge

Block Factory's Biomes - Add new vanilla+ biomes

🌳 This Biomes Add-on adds 5 brand-new biomes filled with unique animals, plants, blocks, and fully custom world generation!

107kdownloads
Larger biomes
1.18fabric

Larger biomes

Makes biomes bigger (but not as big as in Large Biomes preset)

92kdownloads