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Minecraft Java 1.21 Mods

Browse 262 free mods for Minecraft Java 1.21 — popular picks include ElytraRemover, how low can you go, ProjectBFDI (Archive).

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ElytraRemover
1.21.4

ElytraRemover

remove the elytra from the item frames in the endcity's boat

198downloads
how low can you go
1.21.1neoforge

how low can you go

Rewards you for going deeper in the world with increase spawn rate of ore except diamonds

195downloads
ProjectBFDI (Archive)
1.21.4neoforge

ProjectBFDI (Archive)

Adds BFDI stuff in minecraft! (No longer gets updates)

195downloads
The Lost Levels
1.21.11fabric

The Lost Levels

The Lost Levels is a Backrooms-inspired horror and exploration mod that adds several liminal dimensions to Minecraft.

190downloads
Hotter Mania
1.21.1neoforge

Hotter Mania

Mod updates savannas, deserts and badlands

187downloads
Sweet Apocalypse Biome
1.21.1neoforge

Sweet Apocalypse Biome

Dive into a world transformed by confectionery chaos with the Sweet Apocalypse Biome mod!

186downloads
Maximum Difficulty
1.21.5fabric

Maximum Difficulty

A mod that increases the difficulty of Minecraft to its maximum, reaching 32-bit integer limits.

179downloads
Breathtaking Aconitum
1.21.1neoforge

Breathtaking Aconitum

This mod adds aconite and its unique mechanics, food, and toxins

178downloads
Silly Stuffs
1.21.4neoforge

Silly Stuffs

Become the greatest businessman in all of Minecraft! Expand your business empire, sell your products, mine plastic, eat burgers, and have fun!

167downloads
Projection Boundary
1.21

Projection Boundary

Why use a boring invisible wall when you can turn the world border into a glitching, collapsing simulation?

162downloads
Something Watches 2.0
1.21.8neoforge

Something Watches 2.0

A slow-burn horror mod that transforms your world into a paranoia-inducing nightmare. Featuring custom entities, random horror events, creepy signs, screen glitches, a horror dimension, and admin troll commands. Something is always watching.

152downloads
Infinity Stones - Eye of Ender recipe
1.21.5

Infinity Stones - Eye of Ender recipe

A new Eye of Ender recipe that has one item from every new biome/structure to encourage exploration (crafts all 12 at once)

152downloads
Structure Overload
1.21.1neoforge

Structure Overload

Transforms your Minecraft world into an endless sprawl of structures, spawning vanilla dungeons at every step without compromising game performance.

151downloads
Somnium Reale
1.21.8fabric

Somnium Reale

Explore a new world where things aren't quite as you remember, but in some ways feel more real than ever.

148downloads
More Big Trees
1.21.1neoforge

More Big Trees

Adds 2x2 versions for every tree in vanilla

144downloads
CopperWorld
1.21.8fabric

CopperWorld

This mod will turn your entire world into copper! More presets coming soon!

144downloads
VoidSky
1.8.8

VoidSky

A plugin that teleports players into the sky if you fall in the void.

140downloads
The Echo Horror
1.21.8neoforge

The Echo Horror

A progressive psychological horror mod that introduces strange anomalies, distant watchers, unexplained encounters, and escalating disturbances as the days pass.

138downloads
Glassification
1.21.1fabric

Glassification

Glassification transforms the entire world into fragile glass, removing structural safety and leaving survival to pure mechanical mastery.

137downloads
Hedgehog Saga
1.21.1fabric

Hedgehog Saga

Adds new decorative blocks, plants, worldgen features, and MUCH MORE inspired by Sonic.

130downloads
Lucid Realms
1.21.4neoforge

Lucid Realms

Adds dreams & nightmares to the game. *very much unfinished

128downloads
RealityShift
1.20

RealityShift

Make every day a new adventure! RealityShift activates a random anomaly daily from a pool of 50+ unique events, completely changing the rules of survival.

127downloads
The Jelly Update Mod
1.21.4neoforge

The Jelly Update Mod

If Mojang released a Jelly Update!?

126downloads
Kyo's Cottonwood Forest
1.21.1neoforge

Kyo's Cottonwood Forest

Adds a cottonwood forest and allergy system for said forest

126downloads
You Can't Sleep
1.20.1forge

You Can't Sleep

A about bed sleep's horror mod

124downloads
mutationcraft-plus
1.21.1fabric

mutationcraft-plus

Adds 24 random world mutations that completely change Minecraft every 5 minutes, making every survival adventure unique.

123downloads
Safety is Nowhere
1.21.1neoforge

Safety is Nowhere

Dreams are real and so are nightmares. The world is corrupted, find the source of abnormalities.

122downloads
Under The Seas
1.21.4neoforge

Under The Seas

Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea

121downloads
Blocked In Hardcore
1.21

Blocked In Hardcore

A challenging version of the Blocked In datapack

119downloads
THE HORRORS BUT BETTER
1.21.8neoforge

THE HORRORS BUT BETTER

THE HORRORS adds 4 new biomes more blocks more crafting tables like the de-radioactivator and the improved smelter and the fabricator and it adds more mobs and it is only to get updated more! updates: the start ,NUCLEAR WARNING!!!!!

117downloads
BagelVulture's First Mod
1.21fabric

BagelVulture's First Mod

a bunch of random additions that aren't quite vanilla+

117downloads
Disaster SMP
1.21

Disaster SMP

DMSP (Disaster Management System Plugin)Cinematic Natural Disasters for PaperMC 1.21+DMSP is not just a plugin; it's an environmental overhaul designed to challenge even the most seasoned survivalists.

115downloads
Cheapapple the Rock!
1.21.11fabric

Cheapapple the Rock!

Adds Bocchi but as a litteral rock... and some skeleton memes

111downloads
Manipulated
1.21.1neoforge

Manipulated

A fresh new horror mod for NeoForge, 1.21.1. (from 5mo ago cuz i didnt make it public cuz its kinda stupit)

111downloads
Discreet Branches
1.21.4

Discreet Branches

A datapack that affects the generation of the world, entities, recipes, items and dangers in a very different way from the Vanilla game.

110downloads
HotDay
1.21

HotDay

The "Very Hot Day" plugin adds heat to Minecraft, in which players and mobs burn, plants dry out, and food turns into rotten flesh.

108downloads