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Minecraft Java 1.21 Mods

Browse 260 free mods for Minecraft Java 1.21 — popular picks include Something Feels Off (Discontinued), Wrong Yellow, anti chest esp donut smp.

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Something Feels Off (Discontinued)
1.21.1neoforge

Something Feels Off (Discontinued)

A psychological horror mod that distorts the Minecraft experience through eerie, unexplained changes in your world.

4.5kdownloads
Wrong Yellow
1.21.11

Wrong Yellow

A vanilla datapack about places Minecraft was never supposed to generate.

4.3kdownloads
anti chest esp donut smp
1.19

anti chest esp donut smp

DonutAntiChestESP Advanced Chest Visibility Protection for Minecraft Servers

3.8kdownloads
Cave World Remastered. (Froglight Edition)
1.20

Cave World Remastered. (Froglight Edition)

Brings back the Old Cave World type but Better and More Improved.

3.3kdownloads
Cursed Worlds
1.20fabric

Cursed Worlds

breaking world generation horrendously

3.1kdownloads
Clown Raid
1.21fabric

Clown Raid

Adds circus parades! Made for Modfest: Carnival

3.1kdownloads
The Rift
1.21.1neoforge

The Rift

Adds a Stealth dimension with multiple additives to after end game progression!

2.9kdownloads
Global Emeralds
1.21.1neoforge

Global Emeralds

Unlocks Emerald Ore to spawn in all biomes.

2.9kdownloads
Forever Winter
1.21

Forever Winter

Makes all biomes on the overworld snowy.

2.7kdownloads
Classic Combined
1.21.8neoforge

Classic Combined

This mod creates a Classic Minecraft/Modern Minecraft hybrid experience. Recreates modern features in a Classic Minecraft/Alpha Minecraft style. Fully Survival compatible

2.7kdownloads
Blocks Spread
1.21.4fabric

Blocks Spread

Minecraft, But Every Block Spreads Like Sculk

2.6kdownloads
XGamemode
1.7.9

XGamemode

You're not switching modes, you're switching dimensions.

2.6kdownloads
Extractrooms
1.21.1neoforge

Extractrooms

Backrooms-themed looter mod. Clip inside, loot randomly generated rooms, and find the exit before the timer runs out.

2.5kdownloads
Backrooms Through The Walls
1.21.1fabric

Backrooms Through The Walls

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

2.4kdownloads
Grid World Generator
1.21.7fabric

Grid World Generator

Exactly 89.67% of the world is gone! Take this challenge and try thriving in a world where terrain is sparse, resources are scattered, and every block counts. Can you survive in the void between the grid?

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
Backrooms: The Complex
1.21.1neoforge

Backrooms: The Complex

A survival friendly, lore accurate backrooms mod with high quality visuals.

2.2kdownloads
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
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
Everything is #dirt
1.21.4

Everything is #dirt

'It's all dirt?' "Always was" Everything is tagged as dirt, glhf

2.0kdownloads
linecraft
1.21.11fabric

linecraft

Experience Minecraft in a 3-block wide line!

2.0kdownloads
Vanilla Backrooms
1.21.11fabric

Vanilla Backrooms

Vanilla-Backrooms is a server-side only Backrooms mod based on Polymer

1.9kdownloads
Nether Infection
1.21.8neoforge

Nether Infection

The Nether can infect your world !

1.9kdownloads
The Game Crasher
1.21.9

The Game Crasher

Instantly crash minecraft with 1 command on any PC! (Not a lag crash)

1.8kdownloads
Draventh Ores
1.21.8fabric

Draventh Ores

⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc

1.8kdownloads
1024
1.21

1024

Increases world height to 1024 (-512 to 512) and replaces Bedrock with Reinforced Deepslate.

1.8kdownloads
Enter the Bungeon
1.21.5

Enter the Bungeon

Completely rewrites Minecraft into a Roguelike Dungeon Crawler

1.7kdownloads
World Randomizer
1.21

World Randomizer

All blocks are shuffled in world generation, making for an interesting and challenging playthrough

1.7kdownloads
MobMons
1.21.1

MobMons

Do you want to use Minecraft mobs as Pokemon? Now you can!!! :D

1.6kdownloads
More Villages Datapack
1.21

More Villages Datapack

Adds more villages to the game.

1.6kdownloads
Dimension emptiness
1.21

Dimension emptiness

Prepare yourself for a harrowing journey with the "Dimensions void" data pack! This pack introduces a nightmarish dimension known as the Void, a realm where no soul remains after the inevitable demise of all living things. Here, darkness reigns supreme, an

1.6kdownloads
Ancient Legend(远古传说)
1.21

Ancient Legend(远古传说)

Add a series of new things and give you a new experience.

1.6kdownloads
Madketplace
1.21.1neoforge

Madketplace

Buy everything in the game! This includes blocks, items, entities and dimensions!

1.6kdownloads
End-Less
1.21neoforge

End-Less

Changes End portals after the dragon’s defeat, adding a special return portal and a new Outer End–like dimension.

1.5kdownloads
eyes.everywhere
1.21.4neoforge

eyes.everywhere

A small horror mod that stalks you with more than two eyes. (Not a dweller)

1.5kdownloads
Soulified
1.21.10

Soulified

In the world of Dark, mercy is a myth, and every shadow hides death. Git gud, or die trying

1.4kdownloads