Minecraft Java 1.21 Mods
Browse 37 free mods for Minecraft Java 1.21 — popular picks include The Lost Castle [NeoForge/Fabric], Medieval Buildings [End Edition], Medieval Buildings - New Structures!.
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![The Lost Castle [NeoForge/Fabric]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/209459.webp)
The Lost Castle [NeoForge/Fabric]
A gigantic castle that once was the home of a long forgotten civilization
![Medieval Buildings [End Edition]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/214462.webp)
Medieval Buildings [End Edition]
New incredible medieval-style structures for the End!
Medieval Buildings - New Structures!
Add exciting medieval buildings with hidden enemies and treasures to the world!
Castle in the Sky
This mod adds new structure: Castle in the Sky in your world
![Medieval Buildings [Nether Edition]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/212386.webp)
Medieval Buildings [Nether Edition]
New incredible medieval-style structures for the Nether!
CastleBlocks
Alternative to chunk claiming, build castles instead!
Grim Kingdoms: Lost structures & ruins
Adds Castles - Unique vanilla mobs/ hidden items
Grim kingdoms: Vanilla Edition
Adds Castles : Both mod versions are vanilla, this version simply removes unique vanilla special items
Castle Tower
Adds a new Castle Tower to Forest Biomes
Our Story - Earth
A large exploration and survival modpack with custom quests, world generation, dungeons, bosses, building, farming, and multiplayer adventure.
NMI - server side mods only
This is a collection of over ✨150+✨ server side mods that enhance your gameplay with voice chat, factions, economy, seasons, dungeons, buildings, mobs and much more. 🌌
Lost eternity
Lost eternity is a world generation mod that adds unique surface buildings and dangerous underground dungeons with traps, enemies, and great loot.
![MineColonies-Caos e Ordem [Unnoficial]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/222439.webp)
MineColonies-Caos e Ordem [Unnoficial]
A MineColonies modpack inspired by the Brazilian Minecraft series MineColonies: Chaos and Order, focused on medieval and magical progression, colony building, and survival.
Middle Magnum Opus
An exploration and building based modpack with numerous dungeons and mystical artifacts scattered throughout the world.
Dragon Kingdom (MineColonies + Dragon Survival)
A large fantasy adventure modpack focused on building kingdoms, dragon survival, dimensions, and conquering dungeons with tech and magic progression.
Project Obscura
Start Your Ultimate Exploration into an Adventure-Packed Modpack | Epic Dimensions & Massive Dungeons | Challenging Bosses | Stable Long-Term Multiplayer | Cozy Building & some Create Automation
Odysseum
A modpack focused on making Minecraft feel as deep and adventurous as possible. This includes tech, dungeon, dimension, city building, and QoL mods.
![-<[Zareh's Better Vanilla+]>-](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/110864.webp)
-<[Zareh's Better Vanilla+]>-
"This isn’t about adding a million features. It’s about curating the right ones— So that every sunrise, cave, village, and ruined castle Feels like a place you want to live in."
GloveCraft Tensura Life
Welcome To Tensura Life A Kingdom Building Modpack For You And Your Friends To Enjoy
Cozymon Adventure
A Cobblemon modpack with main focus of exploring dungeons while capturing pokemon and building a cozy home
Klarian Chronicles Magic & Steel
Fantasy RPG modpack tailored for private server combining Better combat, legendary bosses, dragons, four magic paths, MineColonies kingdom building, Create automation, vampirism, and rich decorative building content.
ChrabPack
A pack centered around the colony building mod Minecolonies, with some dungeon, tech, and magic mods to provide some variety.
![Mystical Medieval Roleplay [Ultimate Experience]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/118143.webp)
Mystical Medieval Roleplay [Ultimate Experience]
The ultimate modpack experience with the most comprehensive mod selection and features for players who want everything. Includes everything from the base modpack plus extensive additions across all categories for maximum content and customization.
PovertyCraft
PovertyCraft is a modpack focused on exploration, light RPG elements, and immersive building. It adds new biomes, structures, dungeons, nothing overly complex. Don't take the name seriously, it's a joke between friends.
RevivalRpMods
A Minecraft 1.21.8 modpack for roleplay servers. Adds new biomes, dungeons, RPG skill trees, building blocks, and tech mods for survival and adventure.
TDmon Mod (1.21.1, 1.20.1) – More Custom Pokémon
TDmon Mod is an addon for Cobblemon, adding custom Pokémon to the Cobblemon mod. This mod adds 5 new Pokémon to the game. Features: Stunfisk is uncommonly found in the Swamp, while Galarian Stunfisk is in the Taiga forest. All the monkeys can be rarely found in the Jungle. Be sure to check the Castle […]
Mo' Structures Mod (1.21.8, 1.20.1) – Flying Castle, Jungle Pyramids, & More
Mo' Structures Mod is a structures mod with loot & spawners in some structures, to increase the RPG aspect of Minecraft. Features: Adds a variety of structures like jungle pyramids, floating castles, pirate ships, and more. Each structure comes with its own backstory, enhancing the RPG aspect of the game. Includes fun mini-dungeons for players […]
GottschCore (1.21.1, 1.20.1) – The Key to Dungeon Quests
GottschCore is a new base library (API) that is used in all of gottsch's mods. This is a replacement of ModUtilsAPI. Features: Acts as a shared code library (API) that other mods need to work. Replaces the older ModUtilsAPI with a new base. Allows mods like Treasure2!, Legacy Vault, and Dungeon Denizens to run in […]
Botbuilder
Summon a bot to build a castle
Epic Dungeons: A Roguelike Journey
Awesome uniquely varied epic dungeons, from the buried Crystal Castle to the spider-infested Forgotten Sewers. Your traveller's journey begins!
Medival Writer House
this mod adds the medieval book writer mansion
Nebulus Knight Castle
enemies and friends in one strucure with new weapons, magic effect, food and more
Arden's DnD 5e Races (Origins - Fabric)
Adds the base player races from Dungeons and Dragons 5th edition as Origins.
Rise and Fall: Kingdoms
This pack is a medieval themed pack with magic, low tech, and kingdom building.
Tec And Nature
explore or make your base with Tec and nature, bringing new dungeons and machines!
Banner Knights Of The Realm
Knights Of The Realm, a modpack created to slightly alter minecraft base game by adding in minecolonies and valarian conquest being the core changes. The goal of the modpack is to create a pack that allows the individual growth and development of kingdoms.