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Minecraft Java 1.21 Mods

Browse 1,209 free mods for Minecraft Java 1.21 — popular picks include Gem's World, GSG's New Universe, Sublime Experience.

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Gem's World
1.21.1neoforge

Gem's World

In Gem's World, you can create portals with regular and mod gems! in this portals, you will have an unlimited supply of the gem of your choice. Also, there is a 1 extra dimension, 2 ores and 1 biome.

511downloads
GSG's New Universe
1.20.4neoforge

GSG's New Universe

Unlock the gates to infinite dimensions with iron and diamond portals! Explore unique worlds and hidden mysteries in GSG's New Universe.

510downloads
Sublime Experience
1.21.11neoforge

Sublime Experience

Beauty, nature, and a touch of magic merge into a relaxing experience

510downloads
Minoc Dimension
1.21.1neoforge

Minoc Dimension

A modification of my mod Warden Depths that adds 1 biome inspired by the youtuber Minoc.

510downloads
PIXELMON more biomes and structures
1.21.1neoforge

PIXELMON more biomes and structures

this Pixelmon combines the classic Pixelmon Reforged experience with extra world generation, food systems, and structure mods

508downloads
Orbital Horizons
1.21.1neoforge

Orbital Horizons

A new and unique space mod

507downloads
Pug's Cobblemon
1.21.1fabric

Pug's Cobblemon

Pug's Cobblemon combines the best mods for new biomes, structures, combat, and Pokémon! Explore diverse landscapes, decorate with unique furniture, and catch and train Pokémon with Cobblemon for an epic adventure.

507downloads
Virendale
1.21.1fabric

Virendale

Enhanced Vanilla minecraft experience with some quality of life changes and added biomes and ores.

507downloads
Klsts' Metroid Redux
1.21.1neoforge

Klsts' Metroid Redux

Power Suit Upgrades, exploration and Metroid Fights!

505downloads
River Gentles
1.21.1neoforge

River Gentles

All about Spinosauridae and more

503downloads
better mob : jungle expansion
1.21.1neoforge

better mob : jungle expansion

Better Mob: Jungle Expansion transforms Minecraft jungles with animated creatures, dangerous predators, immersive wildlife, GeckoLib animations, tropical atmosphere, rare mobs, jungle structures, and realistic exploration adventures.

501downloads
Into The Crazy
1.20.1forge

Into The Crazy

A cute, magical fantasy modpack with cozy biomes, charming villages, and adorable creatures—where soft, whimsical beauty hides ancient magic, dark secrets, and lurking danger beneath the surface. ✨🖤

501downloads
Pozoj's Plains Villages
1.21.5

Pozoj's Plains Villages

Datapack that enhances village structures in Minecraft's plains biome.

501downloads
Scoobyland - Create and Friends
1.21.1neoforge

Scoobyland - Create and Friends

Discover a lightweight, multiplayer-optimized modpack that supercharges your vanilla Minecraft into vanilla+++ experience! Dive into Create’s innovative mechanics, explore vibrant new biomes, and savor Farmer’s Delight for a fresh adventure.

500downloads
Rusty's Sylvan
1.21.1neoforge

Rusty's Sylvan

A simple and serene Worldgen mod, that overhauls a few vanilla biomes while adding its own biomes with a natural spin.

486downloads
Biome Houses 2: Fresh beginning
1.21.1neoforge

Biome Houses 2: Fresh beginning

Continuation of my previous mod, Biome Houses, with fresh new houses for nearly each biome! Made with MCreator!

480downloads
NeoBiosphere
1.21.1neoforge

NeoBiosphere

Generate world as sphere with different biomes

475downloads
Wetland
1.21.11fabric

Wetland

A new biome named Wetland with moss and swamp feature

464downloads
Mansioneer
1.21.4neoforge

Mansioneer

Adds biome-specific variants for Woodland Mansions; easily expandable with data packs!

464downloads
Evo Biomes
1.20

Evo Biomes

Dynamic biome evolution, gradual transitions, and environment-based ecosystem.

452downloads
Superflat Structures
1.21.1neoforge

Superflat Structures

Lets all structures (biome dependent) generate in all superflat presets!

445downloads
Better Emerald Generation (BEG!)
1.21neoforge

Better Emerald Generation (BEG!)

A mod that makes emerald ores biome independent, to make it worth going mining for them.

438downloads
Bittersour
1.21.1neoforge

Bittersour

New biomes and sour fruits

435downloads
Terra RTP random teleportation
1.21

Terra RTP random teleportation

Random teleport plugin made to work with custom world generators. Uses blocks instead of biomes.

435downloads
Halloween Storm
1.21.10

Halloween Storm

With a single command, enable ravageous tornadoes, ghasts invasion in the overworld, ghosts (new mob), Herobrine and forbidden forests. Compatible with worldgen datapacks!

433downloads
FreshPack
1.21fabric

FreshPack

Freshpack enhances Minecraft with new biomes, structures, and features. Enjoy improved navigation, decorative elements, and streamlined resource gathering for a more exciting and varied gameplay experience.

431downloads
RealmsQuest
1.20.1forge

RealmsQuest

RealmQuest - Fabric, designed for players who love epic adventures with original dungeons, bosses, and spells. It features expanded biomes, new tools.

427downloads
Mesa Palace Stucture Datapack
1.21

Mesa Palace Stucture Datapack

This Datapack generate in your world a big structure in the Badlands biome.

424downloads
Biome Vote
1.21.4

Biome Vote

Meerkats and oases in the desert.

422downloads
Cold Biomes Only
1.21.9

Cold Biomes Only

Challenge yourself by making the world only cold biomes. Great for a hardcore winter challenge!

420downloads
Spiria Reincarnated Again!
1.21.1neoforge

Spiria Reincarnated Again!

With Tensura: Reincarnated and many addons, expanded dimensions, new structures, bosses, biomes, and plenty of quality-of-life mods, the pack offers an epic adventure that combines building, combat, and character progression.

416downloads
Barren Lands
1.21.9

Barren Lands

Almost only generating Badlands biomes! Creating a barren lands feel.

412downloads
Sam's Tropical Update
1.21.1fabric

Sam's Tropical Update

An overhaul of Minecraft's jungles, swamps, rivers, and much more

408downloads
SurvivalReborn
1.21forge

SurvivalReborn

Survival Reborn enhances Minecraft survival with dynamic terrain, new biomes, and unique mobs, offering fresh challenges and gameplay mechanics. Explore, craft, and survive in a world full of adventure, ancient secrets, and powerful items!

408downloads
More Spring to Life
1.21.5neoforge

More Spring to Life

Transform your Minecraft world with brand-new flora, fauna, and mechanics across multiple biomes! This mod breathes fresh life into Birch Forests, Swamps, Badlands, Deserts, and Savannas, introducing new animals, plants, and interactive features.

404downloads
99 Nights in The Forest
1.21.10

99 Nights in The Forest

Old Growth Pine Taiga ONLY and adds 99 Nights in The Forest with basic functionality including a monster, players, a campfire, and upgrades, no abilities yet.

403downloads