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Minecraft Java 1.21 Mods

Browse 327 free mods for Minecraft Java 1.21 — popular picks include Climatic Plants, Biome Bound Blocks, Halloween Storm.

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Climatic Plants
1.21.1fabric

Climatic Plants

Temperature now matters, no more growing spruces in a tropical forest!

435downloads
Biome Bound Blocks
1.21.1

Biome Bound Blocks

Certain building blocks can only be placed in their native biome, encouraging architectural harmony with the environment.

432downloads
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!

425downloads
Biome Vote
1.21.4

Biome Vote

Meerkats and oases in the desert.

421downloads
Mesa Palace Stucture Datapack
1.21

Mesa Palace Stucture Datapack

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

419downloads
Cold Biomes Only
1.21.9

Cold Biomes Only

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

416downloads
SG Compass
1.21.8fabric

SG Compass

A simple mod to display the player coordinates and biome when a compass is in it's inventory.

412downloads
Barren Lands
1.21.9

Barren Lands

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

412downloads
Snow Golems In Hot Biomes
1.21fabric

Snow Golems In Hot Biomes

The "Snow Golems in Hot Biomes" mod for Fabric allows players to summon and maintain snow golems even in hot and hostile environments such as deserts and the Nether.

410downloads
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
Datapack Cold World
1.21

Datapack Cold World

Makes it possible for snow to fall everywhere, in all biomes without changing their basic functions, and also freezes all the water on the surface.

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.

393downloads
LogicCraft
1.20

LogicCraft

LogicCraft adds “vanilla+” enhancements focused on immersion and quality of life: dynamic lighting with items, smarter sand/gravel physics, XP fusion, biome titles, oxygen bottles, cave tremors, ambient drips, quick campfire cooking, door synchronization,

378downloads
Climate Based Growth
1.21.11fabric

Climate Based Growth

Plants grow based on biome temperature. Optimal climates speed up growth, while harsh climates slow it down.

372downloads
CobbleHunt
1.21.1fabric

CobbleHunt

Find the best Cobblemon spawn setup for any Pokémon: biome, time, weather, platform block, and optimal bait trio.

364downloads
Biome Heart
1.21.2

Biome Heart

Use the creaking heart with different blocks to change the biome.

363downloads
end Update (Enderite & Biome Expansion)
1.21.1neoforge

end Update (Enderite & Biome Expansion)

Ever want an end update? Then download this mod and get it with 4 new biomes and tons to explore, get out and face the end

355downloads
Far Frozen
1.21.2

Far Frozen

Will you be able to survive and escape the frosty, Far Frozen landscape? All cold biomes. Hard early game survival.

349downloads
Disposable Compass
1.21.1neoforge

Disposable Compass

Turn Nature's Compass and Explorer's Compass into one-destination navigation items with shift-right-click search-next.

346downloads
LiteCoords
1.21fabric

LiteCoords

Lightweight HUD mod showing coordinates, direction, and biome in real time.

345downloads
Geologica
1.20fabric

Geologica

Overworld biomes with natural rocks and sinkholes without adding bloat.

335downloads
Next Generation MC
1.21.4fabric

Next Generation MC

The next generation of Minecraft is here without overhauled terrain biomes and mechanics to bring some fresh new light to the biggest game ever created!

334downloads
Celestial Horizons
1.21.11

Celestial Horizons

Adds 170 Biomes ,1 new dimension and 20 blank presets for map making. Alpha v1.0 is designed for mapmaking.

334downloads
Added Things
1.21.8neoforge

Added Things

Random added features like ores, tools, biomes, dimensions & more. Oh, and there is a Deepslate Instant Mining Enchantment.

327downloads
BetterCreaking
1.21.8fabric

BetterCreaking

The Pale Garden as it should be. A scary and dangerous biome

323downloads
Big Globe x Cold Sweat
1.20.1

Big Globe x Cold Sweat

A simple data pack that configures the Cold Sweat mod to better work with Big Globe's expanded world height, overhauled biomes, and unique blocks.

309downloads
SuperRH bosses
1.21.1neoforge

SuperRH bosses

This mod adds some uh cool stuff like a very strong boss and a total red biome

302downloads
Single Biome World
1.21

Single Biome World

Single Biome world allows you to generate entire Minecraft worlds using only one selected biome.

291downloads
Locator by Andrew
1.21fabric

Locator by Andrew

Adds a /locator command that trades emeralds to locate structures, biomes, or POIs with balanced costs.

291downloads
Trillion O Trees
1.21.1neoforge

Trillion O Trees

An overworld mod adding many more tree types and forests... some added structures too

288downloads
Biomes O' Cataclysms
1.21.1fabric

Biomes O' Cataclysms

This mod transforms Vanilla Minecraft into a challenge! One by one, all biomes will be destroyed, so try to complete the game before the end of the world!

283downloads
Biome Shift
1.21.7

Biome Shift

Ever wanted to change the biome in spots of your world? Now you can with Biome Shift!

280downloads
Biome Advance
1.21.5

Biome Advance

Add Biome Advancement

279downloads
vibrant sky colors
25w41a

vibrant sky colors

makes some biomes have their own sky and fog color

278downloads