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Minecraft Java 1.21 Mods

Browse 157 free mods for Minecraft Java 1.21 — popular picks include To Adventure, Acatar, Infinity Stones - Eye of Ender recipe.

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To Adventure
1.21.4neoforge

To Adventure

Explore new custom biomes, upgrade your skills, and battle unique monsters in your journey — your adventure begins here!

161downloads
Acatar
1.21.8neoforge

Acatar

Mod created by Phax709 that improves the basic content of Minecraft by adding new biome, ore and blocks, this mod is more based on exploration with plants and trees different from what Minecraft offers.

157downloads
Infinity Stones - Eye of Ender recipe
1.21.5

Infinity Stones - Eye of Ender recipe

A new Eye of Ender recipe that has one item from every new biome/structure to encourage exploration (crafts all 12 at once)

147downloads
Sweet Apocalypse Biome
1.21.1neoforge

Sweet Apocalypse Biome

Dive into a world transformed by confectionery chaos with the Sweet Apocalypse Biome mod!

143downloads
Pixelmon: No More Ultra Space
1.21.1neoforge

Pixelmon: No More Ultra Space

No More Ultra Space [Pixelmon Sidemod] removes Ultra Space and wormholes for good, relocating every Ultra Beast into matching overworld biomes with beast chests, horde battles, and ultra terrain blocks all aquirable from the overworld.

140downloads
Beyond The Clouds
1.21.7neoforge

Beyond The Clouds

Discover clusters of floating islands mirroring familiar biomes and bridge the gaps as you gather resources above the clouds.

140downloads
Biznesmod
1.21.8fabric

Biznesmod

This mod adds new biomes, a new villager proffesion, new mechanics (upgradable abilities, collecting iron dust to make iron ingots, etc...), new custom structures (10+), a TNT cannon which shoots tnt where you look and some new redstone components.

129downloads
Kyo's Cottonwood Forest
1.21.1neoforge

Kyo's Cottonwood Forest

Adds a cottonwood forest and allergy system for said forest

126downloads
Enlivened End
1.21.1neoforge

Enlivened End

brings me life to the end with new blocks, biomes, items, and mobs, all in a vanilla-style way

118downloads
Biomes Unlocked
1.21.11fabric

Biomes Unlocked

Makes biome-restricted resources more easily available or renewable

116downloads
THE HORRORS BUT BETTER
1.21.8neoforge

THE HORRORS BUT BETTER

THE HORRORS adds 4 new biomes more blocks more crafting tables like the de-radioactivator and the improved smelter and the fabricator and it adds more mobs and it is only to get updated more! updates: the start ,NUCLEAR WARNING!!!!!

103downloads
Whispers of the Pale Garden
1.21.4neoforge

Whispers of the Pale Garden

a mod that adds various new additions to the pale garden biome. you can report bugs in the discord server.

96downloads
SeasonalBehaviors
1.21.4

SeasonalBehaviors

SeasonalBehaviors brings dynamic, immersive seasonal changes to your Minecraft world—altering weather, mob behaviors, crop growth, and villager trades to create a living, evolving environment. Experience nature’s cycle like never before.

92downloads
Capture Biomes
1.21.5

Capture Biomes

A PaperMC plugin that lets players capture a biome in a bottle and release it elsewhere.

88downloads
Lava Pockets Removed
1.21.1neoforge

Lava Pockets Removed

Removes tiny 1x1 lava pockets from Nether generation without changing biome feature lists, keeping custom Nether biomes and world-gen mods compatible.

87downloads
Nonsense
1.21.8neoforge

Nonsense

A new dimension with unique and creative biomes ...

86downloads
Slimes Everywhere
1.19fabric

Slimes Everywhere

Allows Slimes to spawn at night in any biome

85downloads
The Ebutale
1.21.1neoforge

The Ebutale

A vibrant new dimension, The Ebutale. Includes new structures, mobs, biomes and more!

82downloads
Very Much of Create
1.21.1neoforge

Very Much of Create

A massive Create-focused modpack that expands automation, transport, and industry to the extreme. Featuring dozens of Create add-ons, new biomes, food systems, and performance optimizations — perfect for building huge factories, trains, and mechanical worl

80downloads
Strider657's End Update
1.21.1neoforge

Strider657's End Update

A Java edition mod that overhauls the end with new biomes, structures, blocks, plants, and more.

75downloads
AWR Bot
1.21

AWR Bot

Explore new biomes, discover diverse modules, and assemble your own modular robot in Minecraft

70downloads
Ancient City Underground
1.21.11fabric

Ancient City Underground

Makes Ancient Cities generate densely underground in all Overworld biomes. Every chunk is covered by city structures with moderate overlap. Players spawn safely inside the city.

69downloads
Mossy Forests
1.21.8neoforge

Mossy Forests

This Mod adds Mossy Forests to minecraft!

67downloads
Villera
1.21.11fabric

Villera

Turn villages into living economy hubs with biome-adaptive banks and markets, secure currency, rentable chunk claims and performance-friendly stacked spawners

58downloads
Mainworld
1.21.8neoforge

Mainworld

Mainworld... mod introduces several new mechanics,items,and armor. it also adds about 30 diffferent structures,each suited to its own biome,as well as new biomes. Explore the world and discover its fill potential, know that they are always watching...

54downloads
ChunkMix
1.21.1fabric

ChunkMix

Every chunk - New biome! Spice up your world!

52downloads
Cavernous Unearthed
1.21.11neoforge

Cavernous Unearthed

This mod adds vanilla style cave biomes and features.

49downloads
Biome Builder
1.21.1fabric

Biome Builder

Build actual minecraft biomes, block by block, wherever you want.

47downloads
Explorer's Journal
1.21

Explorer's Journal

A chat-driven exploration journal. Discover biomes and structures, get notifications, details, toggle a bossbar, view your full journal with /trigger

46downloads
Pedro II's End Update
1.21.8neoforge

Pedro II's End Update

This Minecraft mod adds the End Update to the game with 3 new biomes, 3 new structures, 1 mob, and 2 powerful weapon.

44downloads
MineMagic pack
1.21.11

MineMagic pack

Add 10 new biomes to your world without changing the landscape.

37downloads
Antactica
1.21.8neoforge

Antactica

new biome Antarctica , new mashines and more.

33downloads
Wayfinder's Bottle
1.21.1neoforge

Wayfinder's Bottle

A vanilla-friendly exploration mod adding a magical bottle that reveals maps to distant biomes. Trade with Cartographers, loot chests, or fish for it!

29downloads
Biomes plus
1.21.8neoforge

Biomes plus

Biomes Plus — 7 new biomes: foggy grove, lost forest, misty highlands, driftwood swamp, windswept plains with menhirs, olive grove, salt basin.

25downloads
Mod but my Friends decided what's in it
1.21.8neoforge

Mod but my Friends decided what's in it

lots of stuff, a huescape dimension, dragons, epic cave biome with game-changing mob, eldritch horror spider, Son Goku and more!!!1!!!

24downloads
Grim and Bleak Mod (1.21.1, 1.20.1) – Place Where No One Lives
1.21.1

Grim and Bleak Mod (1.21.1, 1.20.1) – Place Where No One Lives

Grim and Bleak Mod is an ambience-focused mod that blends exploration, survival mechanics, and dark atmosphere. It introduces a shadowy dimension called Limbo, filled with hostile creatures, rare resources, and high-risk progression. Actions taken inside Limbo can also affect the Overworld. Features: New dark dimension called Limbo with unique biomes and enemies Atmosphere-focused semi-horror gameplay […]