Minecraft Java 1.21 Mods
Browse 243 free mods for Minecraft Java 1.21 — popular picks include FTB StoneBlock 4, FTB Skies 2, Techopolis 3.
Updated daily
FTB StoneBlock 4
The stone remembers. Dive into StoneBlock 4, the next evolution of Minecraft’s underground survival: explore handcrafted Vaults, learn from ancient Echoes, power the World Engine, all on 1.21.1
FTB Skies 2
Our skyblock experience built for Minecraft 1.21.1 with a focus on rewarding gameplay, custom mechanics, and player-driven progression!
Techopolis 3
A modpack all about automation and tech
Create: Stranded at Sea
An ocean survival, centered around create automation, adventure, and a fully integrated economy system.
Official Tensura: Reincarnated Survival Server
Modpack for the Official Tensura:Reincarnated server by the mod creators.
OneBlock 1.21.11 (Mounts of Mayhem)
Since 2022 | OneBlock is a adventure map with alot of Fun. | 1.21.11 | Mounts of Mayhem is Live! | [Continuation of IJAMinecraft's Oneblock!] | {This is a Datapack of OneBlock Reborn Map.}
Create on a Potato PC: Ultimate
A lightweight and Fun Forge modpack featuring Create! Play either Skyblock or Normal world
Seaopolis Submerged 2
An ocean based survival questing modpack. Back for 1.21.1
Contained Opolis (A Space Adventure)
A space based skyblock style modpack
Skyopolis: Evolved
A questing based skyblock modpack for minecraft 1.21.1, custom world and many quests
Horrorland 2 - Psychological and Classic Horror Modpack (with Horror Quests)
A modpack only for the bravest, now updated to the latest version. With more terrifying mods and tons of evil creatures to discover!
Create Aeronautics - Skybound | Create Aeronautics & Create Addons with Quests
A modpack built around Create Aeronautics and its main addons, set in a world with floating islands terrain generation.
FTB Skies 2 Aero
Aero is a skyblock built to enable enhanced aeronautics play while proving a tailored progression experience without the grind.
The Zombie Conquest - Zombie Apocalypse (New Version)
Fight for your life in a world conquered by zombies!
Fractured Opolis
The world Fractured, travel across custom dimensions and worlds to finally go back to the overworld
Infinite Horizons - Modded Superflat Survival
A modded superflat experience
Beebeeblock - The Skyhive
Beebeeblock: The Skyhive [蜂蜂空坊]. A Skyblock modpack focused on the Productive Bees mod. Created for players who want to become familiar with bee mechanics.
Ozone Skyblock Reborn 2
Inspired by Project Ozone. Extreme crafting, tech, magic, and automation! Sequel to Ozone Skyblock Reborn.
HORROR - The corrupted clan - The Broken Script (dweller) (stalker)
A horror modpack based around the ARG horror mod: The Broken Script
Dragon survival enhanced
Enhances dragon survival with fantasy themed world
Vagrant Saga - RPG Survival Adventure
RPG NeoForge modpack, Vampires, Magic, Quests, Skills, Bosses, 15 Dimensions, MMO server, Latest version 1.21+ RPG Adventure
RandBlock 2 Winterize
A modpack for skyblock featuring randomly generated blocks.
Enigmatic Skies
Enigmatic Skies
Prison Escape - Beginnings
Escape the Prison with a questing tech centered adventure, including tonnes of custom recipes & juicy loot! (Skyblock/Stoneblock/Tech/Quest/RPG/Gated Loot & Bosses)
WinterCraft-Eternal Winter!
Survival in a world of eternal winter complete with hydration, temperature, stamina and more.
Monumental Experience - In the Sky
Welcome to Monumental Experience – In the Sky! ☁️ The second chapter of the Monumental Experience series takes survival above the overworld. Begin on a floating island where resources are scarce, challenges await, and creativity is your key to thriving.
WT Endless Sky Adventures - Skyblock Edition
A fully guided skyblock modpack — master Create, Mekanism, Ars Nouveau and Immersive Engineering to reach Ascension.
Survival-OneBlock Forge
Survival-OneBlock is an Adventure OneBlock Forge modpack.
TFC Terra Draconis - Primitive Dragon Survival
■ Play as a dragon in a primitive survival game. New skills, no overcomplications, quests, and just a great reason to play with Terrafirmacraft again.
Cozy Time | Cozy Survival with Quests (MC Cozy 1.21.1)
A new Cozy modpack, with endless ways to have fun and relax alone or with friends or a partner!
Sky Frogs
A skyblock where frogs do the mining. Breed Resource Frogs, feed them slimes, smelt the Froglights.
Our Story - Earth
A large exploration and survival modpack with custom quests, world generation, dungeons, bosses, building, farming, and multiplayer adventure.
Monumental Experience - Creatures Across the World
Monumental Experience V: Creatures Across the World expands the series with Cobblemon and Aether integration, living biomes, and exploration-driven progression—creating a survival world focused on discovery and long-term building.
Matrix of Materia
Matrix of Materia is a 1.21.1 automation pack making use of roomopolis and custom machinery.
Sky Bees Reborn
Sky Bees Reborn is a reimagine of the beloved Sky Bees. This time with Productive Bees!
Factory in the Sky 4
You wake up and find yourself on a skyblock tree, surrounded by the void. What comes next? Inspired by Sky Factory!