Minecraft Java 1.21 Mods
Browse 1,547 free mods for Minecraft Java 1.21 — popular picks include Laicaps, Crystal Town Mod, Quest Dimensions & Mob Hunts.
Updated daily
Laicaps
[Alpha] A fantasy space exploration mod - for neoforge 1.21.1
Crystal Town Mod
A mod that adds a slightly elaborate universe! A couple of dimensions, lots of interesting mobs, progression, magic wands and toxic weapons!
Quest Dimensions & Mob Hunts
A Minecraft quest datapack focused on mob hunting, dimensions, and milestone-based rewards. Progress through separate quests such as Overworld, Nether, End, Boss, Zombies, Undead, Arthropods, Animals, and Total Hostiles. Earn bonus experience
Panda's Brilliant Journey
PBJ is a 1.21.5 vanilla+ pack focused on enhancing exploration through new world generation, structures and mobs.
End Phantoms
Simple datapack adding phantoms to the end.
VoidMachina
RPG modpack with magic, machines, and exploration for Minecraft 1.21.1 NeoForge. Optimized to run with only 4 GB of RAM and compatible with multiplayer and mobile devices via PojavLauncher.
(Rustic's) Bountiful Seals
Adds many arctic-themed features (such as seals!)
Wili's Pikmins
Adds Pikmin and Pikmin-related features for a personal modpack/server
WRLD SMP Adventurepack
Explore unknown lands, battle custom monsters, and create complex machinery.
Prehistoric stuff
¡A mod that plans add prehistoric creatures! Created by slendygato 3D modeler GhostyWeb2099 Puffersaur created originally by xndARTSREAL
Cubic Realism
CB is a mod made with Mcreator, having the goal of revamping minecrafts realisim and magic. From perma ban swords to steelmaking and even lead poisoning, this mods goal is to have it all! (Yes that includes bombs).
Hyrinity (Legacy)
An overall content mod adding progression, bosses, dimensions and more!
Create Vision
More Animals, Create stuff and Furniture
Project Extinction Datapack
Extends the abilities of the Project Extinction resource pack.
Skulk Dimension
This Mod Adds New Dimension , structures and more!
RealMobSize
Generate your mobs with real-life scale
Resource Armadillo
The way to generate valuable resources. Get an Armadillo and transform it into anything you want.
Minoc Dimension
A modification of my mod Warden Depths that adds 1 biome inspired by the youtuber Minoc.
Eternal Quests: RPG Overhaul
Dive into Eternal Quests: RPG Overhaul! One mod, endless adventure—epic weapons, powerful armour, and fierce foes await. Forge your path and become a legend!
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.
Decharted
Decharted is a mod based around the corruption of the world, this mod allows multiple ways for the player to send their friends (or foes), to a separate dimension to have them stuck. You may also be able to spawn trap players before they die and respawn.
Klsts' Metroid Redux
Power Suit Upgrades, exploration and Metroid Fights!
River Gentles
All about Spinosauridae and more
Space Update
dannytaylor's April Fools' 2025 "Update"
WorldEngine
Fabric server mod that lets you create multiple worlds in a single server with per-world gamerules, inventory isolation, & mob spawn control. Install clientside for custom portals built from ore blocks.
better mob : jungle expansion
Better Mob: Jungle Expansion transforms Minecraft jungles with animated creatures, dangerous predators, immersive wildlife, GeckoLib animations, tropical atmosphere, rare mobs, jungle structures, and realistic exploration adventures.
Into The Crazy
A cute, magical fantasy modpack with cozy biomes, charming villages, and adorable creatures—where soft, whimsical beauty hides ancient magic, dark secrets, and lurking danger beneath the surface. ✨🖤
Liminal: Dark Horizons
A Modpack centered around liminal exploration, new dimensions, challenging mobs, unique structures, and immersive survival. Designed to feel mysterious, atmospheric, and rewarding while staying smooth and polished to play.
Living World
A mod that aims to expand on the lackluster exploration, immersion, and looting of Minecraft!
REDACTED_ (WIP)
This ARG mod adds several entities, retextures, and dimensions.
Breeze Island
Adds a sky island with loot and a boss fight.
Nostalgia Blocks
Use Classic textured Minecraft blocks without resource packs and build to your heart's old content!
Halloween Storm
With a single command, enable ravageous tornadoes, ghasts invasion in the overworld, ghosts (new mob), Herobrine and forbidden forests. Compatible with worldgen datapacks!
Cobbromon
This modpack blends the creature-collecting adventure of Cobblemon with the mechanical creativity of Create. Explore the world, build clever contraptions, and grow your team—all in a seamless mix of exploration and engineering.
Boss Update
This mod adds three new distinct bosses with custom drops and powers. (also available in multiplayer worlds.)
NOVIK Horror Mod
Novik is a horror mod that truly instills fear. It also contains some joke content