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Minecraft Java 1.21 Mods

Browse 672 free mods for Minecraft Java 1.21 — popular picks include survive the night, Prehistorum, WRLD SMP Adventurepack.

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survive the night
1.21.1neoforge

survive the night

Survive the Night Survive the Night. is a thrilling horror-themed Minecraft modpack designed for players who love high-stakes survival, atmospheric exploration, and intense tactical defense. If you think vanilla Minecraft nights are too easy, prepare

537downloads
Prehistorum
1.21.1neoforge

Prehistorum

A mod that adds paleontology, prehistoric creatures and more to Neoforge 1.21.1

530downloads
WRLD SMP Adventurepack
1.21.8fabric

WRLD SMP Adventurepack

Explore unknown lands, battle custom monsters, and create complex machinery.

524downloads
DAOT - Adventure Titan
1.21.1fabric

DAOT - Adventure Titan

uh modpack, just like lots of mods and its for Danny's AOT MC Mod, runs on version 1.21.1 of Fabric.

519downloads
The Broken Script - Endless Pain (TBSEP)
1.21.1neoforge

The Broken Script - Endless Pain (TBSEP)

A TBS modpack (The Broken Script), With additional mods, aswell as more mods to enhance the experience.

516downloads
Magnetizing
1.21neoforge

Magnetizing

Adds items and blocks based around magnets

515downloads
M.E.M.E.N.
1.21.4neoforge

M.E.M.E.N.

The Best way to experience the Jim's Mine mod.

513downloads
PARALYSIS A Nightmare Experience
1.21forge

PARALYSIS A Nightmare Experience

A terrifying modpack. (I DO NOT OWN ANY OF THE MODS. BUT I DID CREATE THE MENU.) This mod can do terrifying things That I won't spoil.

501downloads
miencrap 2 minerat
1.21.2

miencrap 2 minerat

makes mineracft better by adding random bullshit (140+ blocks, 80+ mobs)

493downloads
Shogun's Blast - Undead & TNT
1.21.11fabric

Shogun's Blast - Undead & TNT

Explore haunted Japanese villages, battle explosive Oni Warlords, and defeat the Council of Leaders in this immersive RPG structure and combat mod.

492downloads
Grippers
1.21.1fabric

Grippers

A horror-comedy mod featuring a custom dimension, cryptic secrets, explore carefully, there's more going on than it seems.

488downloads
Immersive Pillagers
1.21.1neoforge

Immersive Pillagers

Face pillager hordes, explore hostile camps and lost labs, battle undead illagers, and uncover the secrets of the totem.

481downloads
Grassidium
1.21.11neoforge

Grassidium

Makes grass alive! Adds the ability for grass, flowers, and ferns to spread and grow based on environmental conditions.

475downloads
Terrainless Superflat
1.20

Terrainless Superflat

Superflat too easy? Try this! No grass, dirt or bedrock layers in the Overworld. Just the structures from the Classic Flat preset if your world was generated in 1.17.1 or earlier As of 1.1.1, In 1.21+ worlds you will automatically spawn in a village!

472downloads
Grandia Dungeons
1.21.1neoforge

Grandia Dungeons

A dark fantasy roguelike dungeon adventure with classes, bosses, cursed loot, magic, traders and procedural floors.

464downloads
Space Update
1.21.4fabric

Space Update

dannytaylor's April Fools' 2025 "Update"

453downloads
The Birth of Steve
1.21.1neoforge

The Birth of Steve

The Birth of Steve is a roguelike dungeon adventure inspired by the core progression of The Binding of Isaac.

451downloads
REDACTED_ (WIP)
1.21.1neoforge

REDACTED_ (WIP)

This ARG mod adds several entities, retextures, and dimensions.

429downloads
Better Entity Control
1.21.11forge

Better Entity Control

Take full control over mob and projectile attributes — modify health, damage, speed, armor, knockback, scale for mobs, and damage, speed, gravity, knockback for projectiles, with commands in Russian and English.

426downloads
Better Than Fireflies
1.21.1neoforge

Better Than Fireflies

This is a mod that takes the lazy vanilla drops like fireflies and instead adds actually needed features, transforming an innocent children game into grindy nightmare (still in alpha).

423downloads
Why Not Create
1.21.1neoforge

Why Not Create

Build and automate with Create, survive zombie hordes, enchant gear, and explore with AVA Guns and Chocolate Cows. NeoForge optimizes performance in Minecraft 1.20.1 for a smooth experience.

420downloads
Cold Biomes Only
1.21.9

Cold Biomes Only

Challenge yourself by making the world only cold biomes. Great for a hardcore winter challenge!

416downloads
Stuck - a backrooms mod
1.21.1neoforge

Stuck - a backrooms mod

Get lost in the Backrooms. Yellow hallways, battery flashlight, exploration map, and a hidden Async Research terminal. Inspired by Kane Pixels.

414downloads
Industrilization Mod
1.21.1neoforge

Industrilization Mod

Adds fast-food and convenience store capitalism.

414downloads
Lanse's Combined Challenges
1.21.11fabric

Lanse's Combined Challenges

This mod combines a lot of my challenge mods together into 1. Can you survive?

414downloads
Barren Lands
1.21.9

Barren Lands

Almost only generating Badlands biomes! Creating a barren lands feel.

412downloads
NOVIK Horror Mod
1.21.1neoforge

NOVIK Horror Mod

Novik is a horror mod that truly instills fear. It also contains some joke content

404downloads
Lava Oceans
1.11.2

Lava Oceans

simple datapack that makes all oceans lava

404downloads
PWGood/Adventure Mod
1.21.1neoforge

PWGood/Adventure Mod

Its short advenrure mod about Russian Minecraft streamer - PWGood.

402downloads
Stellar Depths
1.21.1neoforge

Stellar Depths

Drift through cosmic emptiness. A space exploration mod built around scale, silence, and the unknown.

400downloads
PermaEfe Extreme Survival
1.21.5

PermaEfe Extreme Survival

PermaEfe is a Minecraft datapack that increases the difficulty progressively for 30 days, with mechanics such as permanent death, boosted mobs and unique craftables. Ideal to play with friends and test your survival.

399downloads
Rether
1.21.1neoforge

Rether

Rether Adventure! Rether World!

393downloads
Forgotten.jar
1.21.1neoforge

Forgotten.jar

Minecraft horror mod that adds new dimensions and random events

381downloads
Solid jokes
1.21.1neoforge

Solid jokes

Solid jokes this is a set of cool things and tools

373downloads
Skychest
1.21fabric

Skychest

A challenge mod that removes all blocks during world generation except for chests, barrels, furnaces, flower pots, and other forms of storage.

372downloads
Skebob
1.21.1neoforge

Skebob

Little creature hiding in jungle, can you find him?

370downloads