Minecraft Java 1.21 Mods
Browse 88 free mods for Minecraft Java 1.21 — popular picks include Stranger Things: Upside down, Theosis, What Lurks Between.
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Stranger Things: Upside down
This mod adds content from Netflix series stranger things
Theosis
Plugin-ready RPG survival with loot, gems, bosses & biomes. Thesis-style modularity. Multilanguage Apotheosis-inspired
What Lurks Between
A lovecraft inspired magic mod with sanity, biomes, mobs and more.
Veil of Vines
A nature and magic mod that adds dozens of unique vine species. Harvest flowers to craft potpourri that repels hostile mobs, and adorn your builds with new decorative blocks. Explore, build, and survive with the power of plants!
Explorer's Haven
Explorer's Haven is an adventure modpack enhancing exploration, biomes, dungeons, and visuals for smooth performance. Discover new landscapes, battle mobs, and enjoy quality-of-life features while preserving Minecraft’s core experience.
Crying Obsidian Upgrade
Crying Obsidian Upgrade --- A mod that adds a lot of items, food, mechanics. Also adding a new biome, ores and mobs changing the idea of weeping obsidian. The mod also fills the world with different structures.The mod is filled with different content.
Modded Complete
A Minecraft modpack that expands gameplay with new biomes, mobs, technology, magic, structures, and tools, creating deeper exploration, challenges, automation, and creative building possibilities.
Eli's Custom
A modpack made as a highlights of some of the best 1.19.2 packs. Full of tech, biome, magic, and mob mods.
Rosie's Unicorns
Gives you unicorns and couple more items
Skybounds
Start adventuring in our new biomes and mine our new ores so you can conquer the sky
More Animals [NEOFORGE] - Overhauled
More Animals Overhauled - tech mods, some magic, and tons of animals and biomes to explore.
Super Survival | By: Reb2y
Impressive survival with new biomes and new mobs!
Saltcraft
A mod adding salt biomes, mobs, structures and blocks into Minecraft
Wildflower Hollow
This is an immersive modpack filled with lush biomes, ancient ruins, new weapons, and challenging mobs. Explore The Afterdark Dimension, build with tons of decor, and enjoy smooth gameplay with FPS boosts.
Amethyst - Echoes
Adds a new cave biome filled with amethyst-themed mobs, structures, and gear. Mysterious, dangerous, and radiant.
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. ✨🖤
Skebob
Little creature hiding in jungle, can you find him?
Mine RPG
This is combination of mods to add more content to Minecraft including bosses, biomes, creatures. This is more RPG adventure style while keeping all vanilla. No extra metals or materials are added on this pack.
Middle-earth Adventures
This mod adds items, biomes, mob and also, structures!
The End Reimagined
A comprehensive endgame expansion that introduces a brand new dimension and unique biomes to transform the desolate reaches of the void. Designed for both solo and multiplayer play.
Adventures Beyond
A modpack which will enhance your minecraft experience by adding many new _**Biomes, Mobs, Items, Dimensions and much more**_
The Exploration Pack
An immersive vanilla-plus world full of new biomes, dungeons, creatures and dimensions
In the Journeys
The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.
Genshin Impact Lunar Expansion
It is a massive expansion that brings the magic, weaponry, and currencies of Teyvat into Minecraft, while completely overhauling your end-game exploration with breathtaking new biomes, mystical abilities, and custom entities.
Feningland
A Mod Aiming to Revive the feeling of classic 1.12.2 mods by including lots of Dimensions,Biomes,Entites,Weapons and a whole lot more.

Pumpkin Madness
One new biome, "Pumpkin Grove", which contains secrets, but what are they? So figure this out, I won't give you any hints, but this biome will make you come back again! )

chaos and paradise mod
it's a mod which add many mineral, biomes, dimensions, armors, tools, and weapons.
Nonsense
A new dimension with unique and creative biomes ...

Nature Into Life
Life that you can turn into mobs and more and 4 new mobs.
Misterpizza's ligcht edition
Misterpizza's Light Edition adds two new biomes: the glowing Light Biome and the mysterious Dark Biome. Discover powerful gear like the Dark Armor and Light Sword, encounter new mobs like the Lighting Pig, and explore a world filled with adventure. More up
realistic mod
Realistic Mod — face the primal fury of nature. Discover massive active volcanoes and encounter the mysterious red entity known as The Volcanus. Experience dynamic eruptions, scorched landscapes, and ancient summoning rituals. Can you survive when the very
The Ebutale
A vibrant new dimension, The Ebutale. Includes new structures, mobs, biomes and more!
Villager Medusa
Adds Wandering Medusas in Forests To Minecraft
adrix's better end
this project adds end update: biomes, structures and mobs.
MysticRealm - Pinokio
🎭 Meet Pinocchio in the forests! Befriend him with music, or face his pack if provoked. Harvest his nose to craft a legendary sword that instantly turns any mob into wood! 🌲✨
The Fun Mod!
This mod is just a couple of things i wanted to test in MCreator! Enchantments, Mobs, And Biomes are featured!