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
Switches out the style of MES structures to use blocks from BOP, creating a more cohesive and immersive experience when both mods are installed.
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.
Auto Planting Forests
Saplings self-plant themselves when they are de spawning
Larion World Generation
World generation overhaul inspired by epic fantasy, designed for exploration
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.
Hydrological (Overworld Terrain & Biomes)
Overworld biome and terrain fantasy-style worldgen mod.
Sundries & Decor
This mod adds new blocks, decorations, and furniture to fulfill your building fantasy!
Private's Skies
Semi-realistic and fantasy resource pack that changes sky colors of many biomes.
Sengoku Jidai: Japanese Overworld.
An immense world gen data-pack that revamps biomes, structures, items and mobs into a fedual Japanese experience.
[ 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
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.
Natural Disasters
From raging tornadoes and earthquakes to volcanic eruptions and floods. Where nature itself is your greatest enemy.
MrBeast Dimension
A new dimension mod that adds adds new dimensions, items, and MrBeast himself!
Herobrine: A Friend
A mod that adds the myth himself, Herobrine as a friend!
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.
Snowy Weather [Data pack]
In all biomes of the world, the earth is covered with snow, and the water freezes!
KliKlaKlapse
This modpack combines some fantasy, create and biome mods intended to be used on a server.
MRPG - Massive Role Play Game
This Modpack is an Fantasy RPG Modpack with many news like Biomes Weapons Bosses Structures Leveling System and more
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.
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.
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.
Daily Boss X Twilight Forest
Compat Daily Boss with Twilight Forest
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
Field Notes
Auto-record your achievements with timestamp, location, and biome — your own field journal that builds itself as you play.
Hearth & Harvest
Immerse yourself in a cosy, detailed world where farming and cooking become art, and villages and nature are full of life.
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
Weapons of the Wild
Adds fantasy/biome-themed weapons! :D
Minature Shaders
A shader that tries to recreate childhood nostalgia.
Dungeons, animations and optimization!
based on fantasy medieval adds, more biomes, dragons, structures, and more animations but with good optimization!
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.
Ethereal Reborn
Ethereal is a modpack that reimagines Minecraft as a boundless fantasy world. From vast enchanted biomes to roaring brass contraptions, wonder thrives.

Saplings+
Sapling+ allows dropped tree saplings to automatically plant themselves when dropped, providing natural reforestation in a lightweight, server-side Fabric mod.
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. ✨🖤
Cold Biomes Only
Challenge yourself by making the world only cold biomes. Great for a hardcore winter challenge!
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.
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.