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Minecraft Java 1.21 Mods

Browse 89 free mods for Minecraft Java 1.21 — popular picks include MES - Biomes O' Plenty Compat Pack, Stellarity, Auto Planting Forests.

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MES - Biomes O' Plenty Compat Pack
1.21.8

MES - Biomes O' Plenty Compat Pack

Switches out the style of MES structures to use blocks from BOP, creating a more cohesive and immersive experience when both mods are installed.

3.1Mdownloads
Stellarity
1.21.11fabric

Stellarity

Extreme rehaul of The End in a unique fantasy style, combined with biome and structure overhauls, new items, weapons and plenty of other content to discover.

925kdownloads
Auto Planting Forests
1.21.1neoforge

Auto Planting Forests

Saplings self-plant themselves when they are de spawning

375kdownloads
Larion World Generation
1.21.1fabric

Larion World Generation

World generation overhaul inspired by epic fantasy, designed for exploration

161kdownloads
Age Of Dragons
1.21.1neoforge

Age Of Dragons

Age of Dragons is a dark fantasy Minecraft mod featuring elemental dragons, custom classes, cinematic boss fights, and lore-driven progression. Face ancient trials, challenge forgotten kings, and uncover the truth behind the Dragonlands.

76kdownloads
Hydrological (Overworld Terrain & Biomes)
1.20.2forge

Hydrological (Overworld Terrain & Biomes)

Overworld biome and terrain fantasy-style worldgen mod.

71kdownloads
Sundries & Decor
1.20.1forge

Sundries & Decor

This mod adds new blocks, decorations, and furniture to fulfill your building fantasy!

65kdownloads
Private's Skies
1.20

Private's Skies

Semi-realistic and fantasy resource pack that changes sky colors of many biomes.

56kdownloads
Sengoku Jidai: Japanese Overworld.
1.21.1

Sengoku Jidai: Japanese Overworld.

An immense world gen data-pack that revamps biomes, structures, items and mobs into a fedual Japanese experience.

39kdownloads
[ Spellnomia ] -  Iron's Spells 'n Spellbooks magic modpack
1.21.11neoforge

[ Spellnomia ] - Iron's Spells 'n Spellbooks magic modpack

Master arcane mana and alchemy in this RPG adventure with Iron's Spells, mages, wizards, dragons, bosses, and grimoires. Explore dungeons, dungons, and biomes with opti performance, shaders, and immersive medieval fantasy sorcellerie

32kdownloads
PineShaders
1.19

PineShaders

Pine Shaders is a nature-themed edit of Complementary Shaders, offering soft lighting, greenish tones, and a peaceful, realistic vibe inspired by pine forests.

21kdownloads
Natural Disasters
1.21.9fabric

Natural Disasters

From raging tornadoes and earthquakes to volcanic eruptions and floods. Where nature itself is your greatest enemy.

6.7kdownloads
MrBeast Dimension
1.20.1forge

MrBeast Dimension

A new dimension mod that adds adds new dimensions, items, and MrBeast himself!

6.5kdownloads
Herobrine: A Friend
1.21.8neoforge

Herobrine: A Friend

A mod that adds the myth himself, Herobrine as a friend!

5.6kdownloads
Mythic Realms
1.21.1neoforge

Mythic Realms

In this version 1.0.4, the Mythic Realms mod, which was created by me (CarSantos7), you will have to fight and ally with mythical creatures, magic, explore legendary realms filled with unique creatures, treasures, and biomes inspired by global mythologies.

4.5kdownloads
Snowy Weather [Data pack]
1.20.1

Snowy Weather [Data pack]

In all biomes of the world, the earth is covered with snow, and the water freezes!

4.4kdownloads
KliKlaKlapse
1.21.1neoforge

KliKlaKlapse

This modpack combines some fantasy, create and biome mods intended to be used on a server.

3.8kdownloads
MRPG - Massive Role Play Game
1.21.1fabric

MRPG - Massive Role Play Game

This Modpack is an Fantasy RPG Modpack with many news like Biomes Weapons Bosses Structures Leveling System and more

3.5kdownloads
Frostsplitter — The Blade of Eternal Winter
1.21.5fabric

Frostsplitter — The Blade of Eternal Winter

Unleash the power of eternal winter with the Frostsplitter, a mythical sword that freezes enemies, deals extra damage in icy biomes, and extinguishes fire mobs with a single strike. Perfect for players who wield the cold as their weapon.

3.1kdownloads
Christmas Season
1.21.3

Christmas Season

Lightweight Christmas event plugin for Paper and Spigot 1.21 with biome snow, global snowstorms, decoration drops, gifts, elves and snowmen, controlled via the /xmas command, requires Java 21.

2.0kdownloads
VeinSim (xray)
1.21.11fabric

VeinSim (xray)

Seed-based ore, structure and biome finder that draws real veins through walls — and cracks the world seed by itself from structures you walk past.

2.0kdownloads
Daily Boss X Twilight Forest
1.20.1

Daily Boss X Twilight Forest

Compat Daily Boss with Twilight Forest

1.9kdownloads
Greews Races
1.20.1fabric

Greews Races

Race selection mod, always wanted to play as a Dwarf, Elf, Fairy or Human?! Now you can, this mod adds new races with different bonuses and maluses. Oh and Vampire Biome

1.8kdownloads
Field Notes
1.20.1fabric

Field Notes

Auto-record your achievements with timestamp, location, and biome — your own field journal that builds itself as you play.

1.6kdownloads
Hearth & Harvest
1.21.1neoforge

Hearth & Harvest

Immerse yourself in a cosy, detailed world where farming and cooking become art, and villages and nature are full of life.

1.3kdownloads
Jungle Update
1.21.1fabric

Jungle Update

Mod has been merged! - https://modrinth.com/mod/jaizmod This is to keep the work load down for myself, and keep updates coming! Adds new jungle related features

997downloads
Weapons of the Wild
1.21.11fabric

Weapons of the Wild

Adds fantasy/biome-themed weapons! :D

919downloads
Minature Shaders
1.21

Minature Shaders

A shader that tries to recreate childhood nostalgia.

783downloads
Dungeons, animations and optimization!
1.21.11fabric

Dungeons, animations and optimization!

based on fantasy medieval adds, more biomes, dragons, structures, and more animations but with good optimization!

752downloads
Explorisa
1.21.1neoforge

Explorisa

This modpack is centered around becoming stronger as you explore new structures, biomes, and even whole new dimensions, all the while defeating strong bosses, in a medieval/fantasy rpg setting.

727downloads
Ethereal Reborn
1.21.1neoforge

Ethereal Reborn

Ethereal is a modpack that reimagines Minecraft as a boundless fantasy world. From vast enchanted biomes to roaring brass contraptions, wonder thrives.

649downloads
Saplings+
1.21.11fabric

Saplings+

Sapling+ allows dropped tree saplings to automatically plant themselves when dropped, providing natural reforestation in a lightweight, server-side Fabric mod.

520downloads
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
Cold Biomes Only
1.21.9

Cold Biomes Only

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

412downloads
Red Pines
1.21.7

Red Pines

A bold, stylized take on pine trees with striking red foliage. These red pines bring a surreal yet elegant look to your forests, perfect for fantasy, fall, or enchanted world builds.

305downloads
Bushy Red Pines
1.21.7

Bushy Red Pines

With bold crimson foliage and fuller branches, these pines offer a striking, dramatic look. The bushy styling lends itself well to magical forests or surreal biomes with a fiery, enchanted aesthetic.

262downloads