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Minecraft Java 1.21 Mods

Browse 15 free mods for Minecraft Java 1.21 — popular picks include Medieval Siege Machines, TheDungeons, Elden Kingdom.

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Medieval Siege Machines
1.21.1fabric

Medieval Siege Machines

Adds medieval siege machines

1.6Mdownloads
TheDungeons
1.17

TheDungeons

A custom dungeon with multiple functionality. Monsters, access levels and much more! [1.17-1.21.x]

13kdownloads
Elden Kingdom
1.21.1neoforge

Elden Kingdom

Explore the enhanced Minecraft world with The Warseed—new mobs, advanced storage, and immersive magical and medieval landscapes, all centered on the Create mod.

12kdownloads
NMI - server side mods only
1.21.3fabric

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. 🌌

11kdownloads
Deltapack
1.21.11

Deltapack

A deltarune datapack adding content from dark fountains and dark worlds to the roaring knight. As well as items and spells like snowgrave and the shadow mantle.

5.0kdownloads
Better Spawner
1.21.8fabric

Better Spawner

Break a spawner to receive a spawn egg. Ideal for mob farms, custom dungeons, or advanced automation setups.

3.1kdownloads
Dungeon Asault
1.21.1neoforge

Dungeon Asault

Is a mod complementary, That added news ores, tecnology, flood, MOBS and new adventuers

1.7kdownloads
Grinding and industrialization GANDI 1
1.21.1neoforge

Grinding and industrialization GANDI 1

GregTech | Modern Industrialization | 600+ Dungeons | 20+ Taming | 150+ Biomes | 50+ Quests | 20+ Cross-Mod Interactions and Custom Interactions | 450+ Mobs

1.5kdownloads
MobSpawner
1.18

MobSpawner

Easily create simple dungeons or mob arenas with an optimized plugin!

553downloads
The Exploration Pack
1.21.1fabric

The Exploration Pack

An immersive vanilla-plus world full of new biomes, dungeons, creatures and dimensions

277downloads
Robot Legion
1.21.1fabric

Robot Legion

Build a steampunk robot army. Workers automate jobs while combatants fight beside you through three boss dungeons. Trade with engineer villagers for rare parts.

260downloads
MythBoundMC
1.21.1fabric

MythBoundMC

MythBound is a high-fantasy RPG Minecraft modpack built for exploration, progression, and immersive combat. Dive into a world filled with ancient ruins, dangerous dungeons, mythical creatures, powerful magic systems, and de

137downloads
Microtato
1.21.1neoforge

Microtato

Casting spells, running away from monsters and building tiny castles, at least there are no scary machines to hunt you.

78downloads
Twilight Tavern
1.21.1neoforge

Twilight Tavern

Magical, cozy cottage? Or a dark wizard dungeon? Your choice! No futuristic automation mods. The modpack is a curated mix of magical, fantasy and farm related mods with challenging, dark outside world full of monsters and bosses.

1.3kdownloads
Cobblemon Eternal The Minecraft Pokémon Experience Modpack (1.21) – Catch Train And Battle
1.21

Cobblemon Eternal The Minecraft Pokémon Experience Modpack (1.21) – Catch Train And Battle

Cobblemon Eternal The Minecraft Pokémon Experience Modpack turns your world into a massive Pokémon RPG built on the NeoForge engine. You can explore a dangerous world filled with wild monsters, explore huge dungeons, and build your own flying machines. The pack brings together over 200 mods to give you a fresh sandbox adventure with custom […]