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Minecraft Java 1.21 Mods

Browse 1,534 free mods for Minecraft Java 1.21 — popular picks include HappyDays, Ironbound Realms, Betters Amethysts.

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HappyDays
1.20.1forge

HappyDays

Explore the horrors that have entered the your system, and try to survive with them hunting you down like an animal.

2.5kdownloads
Ironbound Realms
1.21.11forge

Ironbound Realms

You start in a brutal medieval world where monsters rule the night and kingdoms rise and fall, will you overtake it all.

2.5kdownloads
Betters Amethysts
1.21.4neoforge

Betters Amethysts

a small mod that add armor , tool , dimention, mobs and more of amethyst,ice,clay,obsidian,copper,quartz,dirt,emerald,endium

2.5kdownloads
Artisan Pottery
1.21.1neoforge

Artisan Pottery

This mod adds a variety of new features related to the archeology update. Pots can now be customized how ever you want, there are new animals roaming the deserts and badlands and new structures to uncover.

2.5kdownloads
Mystborn Horizons
1.21.1fabric

Mystborn Horizons

A progression mod to add more ores, mobs, bosses and structures.

2.5kdownloads
The Finley Dimension Remastered
1.21.8neoforge

The Finley Dimension Remastered

A simple mod that adds a new dimension, monsters, and biomes.

2.5kdownloads
Ultra Hard Difficulty
1.21.4neoforge

Ultra Hard Difficulty

This mod just makes the game very Hard

2.4kdownloads
The Minecraft (wikidot) Backrooms
1.21.1neoforge

The Minecraft (wikidot) Backrooms

A mod that aims to make the biggest lore accurate Minecraft backrooms experience. THIS IS BASED OFF OF THE WIKIDOT.

2.4kdownloads
Beyond The Ocean
1.21.1neoforge

Beyond The Ocean

A Mod that let´s you explore beyond the oceans of minecraft. New ocean themed planets on a post End level difficulty. New structures, mobs, items and technologies. New adventures and a new story ready to be told.

2.4kdownloads
Backrooms Through The Walls
1.21.1fabric

Backrooms Through The Walls

Adds level 0, level 1, and the bacteria entity.

2.4kdownloads
StarterCraft -  Beginner Edition | Beta 26.1!
1.21.11fabric

StarterCraft - Beginner Edition | Beta 26.1!

StarterCraft is a chill modpack that makes Minecraft feel more alive with new biomes, creatures, and simple tech, without overcomplicating things.

2.4kdownloads
Acid Wasteland
1.21.4

Acid Wasteland

A wasteland theme datapack with acid rain, mutated mobs and many other features.

2.3kdownloads
Snowy Expansion
1.21.5

Snowy Expansion

New colors for snowy biomes, new trees, structures and mob variants

2.3kdownloads
No Modern Mobs
1.20.1forge

No Modern Mobs

Removes mobs that aren't in Beta 1.7.3

2.3kdownloads
TC World Cobblemon Rebron
1.21.1fabric

TC World Cobblemon Rebron

The mod is developed to closely follow behaviors, events, and descriptions from the animated series and official lore, bringing the Pokémon world to life as authentically as possible. For example, carp-like creatures can leap waterfalls, and flying birds n

2.3kdownloads
Backroom
1.21.4neoforge

Backroom

Haunting entitys of the "BackRooms"

2.3kdownloads
FNAF Dreams and Nightmares (Work Game)
1.21.4

FNAF Dreams and Nightmares (Work Game)

Mod will recreate the creepy atmosphere of FNaF 4

2.3kdownloads
Cave Born
1.21.11fabric

Cave Born

Adds new ores, materials and powerful gear. Mine Bronze in the End, find rare Titanium in the Overworld, and craft Netherite Titanium equipment — the strongest in the game!

2.2kdownloads
Beastly Buggers
1.21.11fabric

Beastly Buggers

This mod adds many kinds of insects and arachnids, as well as unique and rewarding loot. Increasing the challenge and excitement of exploring while still keeping the game vanilla-friendly is the primary focus here.

2.2kdownloads
Geodrum
1.21.1neoforge

Geodrum

Geodrum is Scary! Geodrum is Nightmare!

2.2kdownloads
Better Phantoms
1.21.1neoforge

Better Phantoms

Removes phantoms from the Overworld and relocates them to the End, integrating them into the dragon fight and increasing danger around End Cities with improved behaviour.

2.2kdownloads
bettercrafting pack
1.21.3forge

bettercrafting pack

adds mobs, blocks and dimensions

2.2kdownloads
Endil's Peaceful World
1.21.1neoforge

Endil's Peaceful World

No monsters nor dimensions. Just Peaceful Overworld!

2.2kdownloads
Bloom and Doom
1.21neoforge

Bloom and Doom

Adapting the universe of the pvz franchise to Minecraft.

2.2kdownloads
Niobium
1.21fabric

Niobium

A mod that adds features that should be in Vanilla.

2.2kdownloads
Better than bedrock
1.21.8forge

Better than bedrock

Better than bedrock is a mod what add new biomes new temples New dimensions

2.1kdownloads
Jeck230NOTREALWORLD
1.21.11fabric

Jeck230NOTREALWORLD

AI-generated horror mod that adds the mysterious entity Jeck230, disturbing sounds, and a strange “not real world” atmosphere.

2.1kdownloads
JC’s EndExtras (Discontinued)
1.21.1neoforge

JC’s EndExtras (Discontinued)

Expanding the End dimension in ways you’ve probably never seen before. Also includes content for the rest of vanilla.

2.1kdownloads
The Broken Script: Reprogrammed
1.21.1neoforge

The Broken Script: Reprogrammed

Here I am. A mod that adds new mobs and dimensions to add on to The Broken Script.

2.1kdownloads
Cobblemon Mana and Monsters
1.21.1neoforge

Cobblemon Mana and Monsters

A modpack focused on adventure in a world with Cobblemon, Magic, and Technology.

2.1kdownloads
Nice End Mobs
1.21.4-pre1

Nice End Mobs

Mob additions for the End Dimension to make it a more interesting place to explore.

2.0kdownloads
Diary of an 8-Bit Warrior
1.21.1neoforge

Diary of an 8-Bit Warrior

Experience Aetheria like a Terrarian! Complete quests, kill bosses, and level up your skills! Maybe you'll even meet Runt and his friends…

2.0kdownloads
Witches with Wrenches
1.21.1neoforge

Witches with Wrenches

Cogs & colonies is a medium/light pack designed to bring life into Minecraft with customizable colonies and colony management alongside many mythical creatures, powerful magic, and even some kinetic energy!

2.0kdownloads
oraclium
1.21.11neoforge

oraclium

Discover Oraclium our minecraft mod which adds new ores, ingots, armor and tools and new items and an improved crafting table which allows you to create hammers oraclium is a "BetterVanillia"

2.0kdownloads
Ravents
1.21.1fabric

Ravents

🗸 Ravents for custom mechanics. Design multi-wave raids with complex triggers, create unique mobs with modified stats, gear, and mounted towers. Spawn control: Replace vanilla mobs or add custom copies.

2.0kdownloads
Salinity
1.21.11fabric

Salinity

A New Cave Biome, a New Armor, a New Mob, and more.

2.0kdownloads