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Minecraft Java 1.21 Mods

Browse 16 free mods for Minecraft Java 1.21 — popular picks include Vaults of Abandon, Deltapack, Cursed Relics Dungeons.

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Vaults of Abandon
1.21.11

Vaults of Abandon

Conquer the Vault, in the Vaults of Abandon - Dungeon Datapack. Battle Epic Bosses, Explore vast dungeons, and utilize powerful magic. Access over 50+ Custom Items, and battle over 20+ Custom Mobs.

13kdownloads
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.

5.1kdownloads
Cursed Relics Dungeons
1.20.1forge

Cursed Relics Dungeons

Cursed Relic Dungeons adds dangerous dungeons filled with secrets, traps, and hidden relic weapons with unique abilities. Explore hidden structures, discover powerful rewards, and survive deadly encounters.

3.6kdownloads
Dungeons Overhaul
1.21.1fabric

Dungeons Overhaul

Upgrades the vanilla dungeons to a more adventurous experience

3.1kdownloads
Endertides
1.21.1neoforge

Endertides

Enhance the End the way Mojang did in Dungeons, adding a new look to the End, along with more wildlife, items and more for you to uncover.

2.0kdownloads
Ceruledge Knight Addon [Cobblemon]
1.21.1

Ceruledge Knight Addon [Cobblemon]

An add-on that adds a Ceruledge in the form of Roaring Knight (by deltarune) to Cobblemon.

1.9kdownloads
Enter the Bungeon
1.21.5

Enter the Bungeon

Completely rewrites Minecraft into a Roguelike Dungeon Crawler

1.7kdownloads
Arkobia 3
1.21.1neoforge

Arkobia 3

Third installment of the Arkobia modpack. This time in version 1.21.1 with around 200 mods. Lots of mobs, lots of dungeons, lots of content to keep you entertained. We've got a little bit of everything.

790downloads
FullXaos_RPG
1.19

FullXaos_RPG

⚔️ RPG skills & dungeons 🌋 Portal dungeon RPG ⚡ Optimized RPG plugin 🏰 MCMMO-style RPG 🌀 Skills & portals RPG

684downloads
Grandia Dungeons
1.21.1neoforge

Grandia Dungeons

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

464downloads
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.

416downloads
Polluted evil
1.21.4neoforge

Polluted evil

a cool minecraft mod that adds new ores like tin and asbestos aswell as structures dungeons mobs and more! updated often.

93downloads
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.

80downloads
Gigeresque Mod (1.21.1, 1.20.1) – Biomechanical Terror
1.21.1neoforge

Gigeresque Mod (1.21.1, 1.20.1) – Biomechanical Terror

Gigeresque Mod transforms Minecraft into a haunting and thrilling survival horror experience. By introducing creatures and elements inspired by H.R. Giger's iconic designs, this mod adds a layer of fear and excitement that stands out from typical gameplay. Deep underground, players can stumble upon black monolithic structures, ominous and foreboding in their design. These dungeons […]

Bones Update Mod (1.21.11, 1.20.1) – Raise an Undead Army and Battle Dangerous
1.21.11

Bones Update Mod (1.21.11, 1.20.1) – Raise an Undead Army and Battle Dangerous

Bones Update Mod fills your world with dangerous skeleton enemies and dark magic. This mod adds scary mobs like reapers, necromancers, and knights that test your combat skills. You can also gather fresh materials to craft strong weapons, learn new enchantments, and even raise your own undead minions to fight by your side. Features: Necromancer […]

Lost Souls Mod (1.21.1, 1.20.1) – Turn City Ruins Into Deadly Dungeons
1.21.1

Lost Souls Mod (1.21.1, 1.20.1) – Turn City Ruins Into Deadly Dungeons

Lost Souls Mod works with The Lost Cities mod to make buildings much more challenging. It turns some buildings into 'haunted' locations, filling them with extra and stronger mobs. These powerful monsters have more health and damage, and they will spawn even if the area is well-lit. To clear a haunted building, you have to […]