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Minecraft Java 1.21 Mods

Browse 340 free mods for Minecraft Java 1.21 — popular picks include The Twilight Forest, NetherEx, Deep Aether.

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The Twilight Forest
1.21.1fabric

The Twilight Forest

A realm basked in mystery and eerie twilight, you will overpower terrifying creatures and secure the adventure of a lifetime; in the Twilight Forest.

205Mdownloads
NetherEx
1.21.4neoforge

NetherEx

NetherEx is a nether content mod.

24Mdownloads
Deep Aether
1.21.1neoforge

Deep Aether

An addon for the original Aether mod, aiming to show the deepest lands of a forgotten paradise.

23Mdownloads
Jaden's Nether Expansion
1.21.1neoforge

Jaden's Nether Expansion

Nether Expansion is a Vanilla Friendly mod that aims to improve & add new content to every aspect of The Nether

18Mdownloads
Monster Plus
1.21.1neoforge

Monster Plus

New mobs of each and every flavor to improve the exploration experience: biome-exclusive monsters, new challenges and more!

12Mdownloads
Oh The Biomes We've Gone
1.21.11neoforge

Oh The Biomes We've Gone

An astounding sequel to the original BYG mod for 1.20.1+ with over 50+ biomes ranging from the magical to the realistic and all breathtaking!

11Mdownloads
Voidscape
1.21.1neoforge

Voidscape

Delve into the depths of the Void

9.9Mdownloads
Feur - Extension Fossil
1.20.1forge

Feur - Extension Fossil

[Vanilla+] 15 new structures of old fossil, dragon skull and monster camps !

5.5Mdownloads
Ecologics
1.21.1neoforge

Ecologics

Simple vanilla biome updates, with fun mobs, blocks, and more!

5.3Mdownloads
Underwater Village - Oceanic Structures
1.21.11neoforge

Underwater Village - Oceanic Structures

Discover a lot of new oceanic structures!

4.7Mdownloads
Enderscape
1.21.11fabric

Enderscape

Total overhaul of The End with new generation, biomes, mobs, and other features.

1.8Mdownloads
Astral Dimension
1.20.1forge

Astral Dimension

Explore 2 magical dimensions shaped by the will of a multidimensional being.

1.7Mdownloads
[Axanthic Studios] Lands of Icaria
1.20.1forge

[Axanthic Studios] Lands of Icaria

AGS presents: A vast new dimension inspired by ancient Greek and Egyptian mythology.

1.6Mdownloads
Ulterlands: Worlds Apart
1.21.8neoforge

Ulterlands: Worlds Apart

Go beyond dimensions; explore a realm unknown yet familiar.

1.4Mdownloads
Incendium Biomes Only
1.21neoforge

Incendium Biomes Only

Removes structures, items, mobs and bosses from Incendium, leaving only the biomes and terrain.

1.2Mdownloads
Macabre - Call of False Prophets
1.21.1neoforge

Macabre - Call of False Prophets

Flesh and gore dimension, hard enemies and good rewards.

978kdownloads
New Game - An Improved Experience | 26.1.2 UPDATE!
1.21.1neoforge

New Game - An Improved Experience | 26.1.2 UPDATE!

An awesome modpack! | Improve the vanilla experience, adding biomes, creatures, elements and other interesting features.

977kdownloads
Mob Compack
1.21.1neoforge

Mob Compack

(a couple of) Mobs for Biomes O' Plenty

960kdownloads
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.

927kdownloads
BetterEnd: New Dawn
1.21.11fabric

BetterEnd: New Dawn

An unofficially maintained continuation of BetterEnd for Fabric and NeoForge, bringing the latest BetterEnd content to every supported Minecraft version alongside bug fixes, compatibility improvements, and expanded End world generation

510kdownloads
Mystic's Biomes
1.21.1fabric

Mystic's Biomes

Explore a world full of color.

473kdownloads
Spellblades and Such: Hexblade
1.21.1fabric

Spellblades and Such: Hexblade

DISCONTINUED - Hexblade Faction Mobs for Spellblades and Such!

462kdownloads
DARK MIST
1.21.4neoforge

DARK MIST

Adds an entity surrounded by darkness that hunts you at midnight...

423kdownloads
Homesteads - Villager Expansion & New Professions
1.21.11neoforge

Homesteads - Villager Expansion & New Professions

Homesteads is for the villagers who would prefer to forge their own path in the wilds. This mod adds 5 new Villagers, the Beekeeper, The Lumberjack, The Trapper, The Prospector and The Forager. As well as a variety of new structures for them to inhabit.

362kdownloads
Slayer's Beasts
1.21.4neoforge

Slayer's Beasts

Explore new structures and biomes to face off against beasts and bosses on the surface, or in treacherous dungeons.

357kdownloads
BetterNether: New Dawn
1.21.11fabric

BetterNether: New Dawn

An unofficially maintained continuation of BetterNether for Fabric and NeoForge, bringing the latest BetterNether content to every supported Minecraft version alongside bug fixes, compatibility improvements, and expanded Nether world generation

301kdownloads
Zombie Variants
1.21.6neoforge

Zombie Variants

Add 15 variants of zombies that can appear in different biomes!

284kdownloads
Incision
1.21.1neoforge

Incision

A nether mod that adds a new vanilla friendly flesh biome

172kdownloads
VanillaBackport: Mob Variants Compat
1.20.1fabric

VanillaBackport: Mob Variants Compat

Compatibility for Biome We've Gone, Terralith, Nature's Spirit & Biomes O' Plenty For VanillaBackport 1.1.5+ Mob Variants

171kdownloads
More Biomes [FORGE] - 1.21 UPDATE!
1.21.1neoforge

More Biomes [FORGE] - 1.21 UPDATE!

A complete modpack focusing on exploration! Discover hundreds of biomes, structures, animals and much more.

156kdownloads
No Man's Land
1.21.1neoforge

No Man's Land

An uncompromising Overworld Overhaul, Enhancing world generation in every biome and environment.

142kdownloads
Cobblemon: Cobbled Levels
1.21.1neoforge

Cobblemon: Cobbled Levels

Highly configurable level scaling for wild Pokémon and progression control with many different scaling methods!

136kdownloads
MMR - Moog's Mineshafts Reimagined
1.21fabric

MMR - Moog's Mineshafts Reimagined

Large and complex mineshafts themed for various biomes and dimensions. Filled with loot and mobs

134kdownloads
Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
1.21.1neoforge

Arda's Sculks (Ancient City Portal / Deep Dark Dimension)

Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.

122kdownloads
Sculk Depths
1.21fabric

Sculk Depths

adds a new dimension accessed via the ancient cities in the deep dark biome

110kdownloads
Exotelcraft
1.21.11fabric

Exotelcraft

A large multi-feature Minecraft mod mainly adding the Exotel dimension, toggleable April Fools' snapshot content, overworld additions, craftable world map, and optional Bedrock-styled UI.

109kdownloads