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Minecraft Java 1.21 Mods

Browse 15 free mods for Minecraft Java 1.21 — popular picks include Cobbelmon (CKnight), Dungeon Train: A Lore-Rich Roguelite RPG Adventure, Tensura Resurrection.

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Cobbelmon (CKnight)
1.21.1neoforge

Cobbelmon (CKnight)

This is my version of Pokemon in Minecraft with lots of different mods such as coblemon wihich is a pokemon minecraft mode were you catch and train your own pocket monsters.

14kdownloads
Dungeon Train: A Lore-Rich Roguelite RPG Adventure
1.21.1neoforge

Dungeon Train: A Lore-Rich Roguelite RPG Adventure

Adventure time inspired dungeon crawler on a train. Procedurally generated carriages on a infinite sable physics train. Rich narrative, with custom made mods for a completely unique experience.

13kdownloads
Tensura Resurrection
1.21.1neoforge

Tensura Resurrection

A modpack focused on Tensura: Reincarnated and its addons. Explore the world, conquer dungeons, build your own kingdom, and decorate it with a variety of included mods.

6.9kdownloads
MerliSMP:RE
1.21.1neoforge

MerliSMP:RE

MerliSMP: RE - A chaos-fueled sandbox packed with Create, Valkyrien Skies, AE2, magic, colonies, dungeons, trains, dragons, and more. No handholding, just freedom. Build anything. Automate everything. Break the game creatively

5.9kdownloads
ReducedLoot
1.21neoforge

ReducedLoot

Reduced Loot cuts down the amount of items found in naturally generated loot chests across all structures – from vanilla dungeons to modded fortresses – bringing scarcity, balance, and challenge back to exploration-heavy modpacks.

5.0kdownloads
Savaru's Dungeonology
1.21.1fabric

Savaru's Dungeonology

A Savaru roguelike dungeon system with level-gated entries, difficulty tiers, dungeon objectives, rule-card buffs, party runs, external dungeon integration, and Affixology-linked rewards.

644downloads
Ends Multiverse
1.21.1forge

Ends Multiverse

Bosses, dungeons, dimensions, vehicles and so much more

577downloads
CobbleFrontier
1.21.1neoforge

CobbleFrontier

CobbleFrontier is a Create + Cobblemon adventure pack with massive worldgen, Pokémon, trains, aircraft, colonies, dungeons, guns, seasons, realistic weather, and space exploration.

512downloads
Wilds of Auroria
1.21.1fabric

Wilds of Auroria

Cobblemon: Wilds of Auroria is a lightweight modpack that blends Cobblemon—Minecraft’s take on Pokémon—with a vibrant world built for exploration and creativity. Join friends to collect and train creatures, delve into dungeons, and build epic bases, all wh

188downloads
Frontier Legends
1.21.1fabric

Frontier Legends

Frontier Legends is a large-scale Fabric adventure modpack featuring 110 carefully selected mods focused on exploration, immersive travel, enhanced combat, and massive structure overhauls. Discover upgraded strongholds, temples, dungeons, and dimension i

181downloads
ATi Structures Default Mod (1.21.8, 1.21.1) – Transform Overworld
1.21.8fabric

ATi Structures Default Mod (1.21.8, 1.21.1) – Transform Overworld

ATi Structures Default Mod enriches exploration by planting 56 carefully crafted fantasy and medieval structures across Minecraft’s overworld and underground-no custom blocks or entities required. Every layout uses vanilla features, ensuring full compatibility with stock terrain and most world-generation mods. Features: Includes medieval keeps, towers, shrines, and underground dungeons-crafted to enhance both aesthetics and discovery. […]

[SNG] Dread Mechanica
1.21.1neoforge

[SNG] Dread Mechanica

Dark industry meets survival. Build vast Create factories, master tech power, fly planes & trains, cook & farm, and face horror-filled dungeons. Adventure, automation, and performance in one epic pack.

1.4kdownloads
Pixelmon - Wilds & Wonders
1.21.1neoforge

Pixelmon - Wilds & Wonders

Pixelmon - Wilds & Wonders combines Pixelmon with exploration, magic, tech, and RPG elements. Catch and train Pixelmons, explore vast biomes, build with machines, conquer dungeons, and enjoy tons of QoL improvements in a rich modded world.

1.1kdownloads
Tensura Kingdom Reincarnated
1.21.1neoforge

Tensura Kingdom Reincarnated

Inspired by That Time I Got Reincarnated as a Slime, this modpack is built around progression, evolution, magic, and adventure.

369downloads
Dimensional Doors Mod (1.21.1, 1.20.1) – Create Your Own Dimension
1.21.1

Dimensional Doors Mod (1.21.1, 1.20.1) – Create Your Own Dimension

Dimensional Doors Mod adds special doors that lead to pocket dimensions and other strange places. You can explore pocket dungeons that might be simple hallways, tricky mazes, or rooms full of treasure. Be careful while exploring, because dying or falling into the void could trap you in the mysterious Limbo dimension. Features: Adds new dimensions […]