Minecraft Java 1.21 Mods

Browse 7 free mods for Minecraft Java 1.21 — popular picks include EliteMobs, Create: Cogs & Cataclysm, Castle Siege | King, teams, kits, abilities, arenas & more.

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7 mods

1.21.4

EliteMobs

Minidungeons, Arenas, Bosses, Custom Loot, Quests, MMORPG progression & more!

69kdownloads

1.21.1neoforge

Create: Cogs & Cataclysm

Immerse yourself in Create: Cogs & Cataclysm, a modpack where mechanical ingenuity meets high-stakes adventure. Built around the Create mod’s extensive automation and L_Ender’s Cataclysm's impressive dungeons and boss battles.

2.1kdownloads

1.20

Castle Siege | King, teams, kits, abilities, arenas & more

Seize or Shield in Castle Siege, Inspired by Mineplex

1.3kdownloads

1.18

MobSpawner

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

553downloads

P

1.21

ProgressionParty

Party system with XP sharing for the Progression RPG ecosystem — group up, share experience, and tackle dungeons and arenas together.

17downloads

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

1.21.1fabric

Aethelgard Odyssey

Aethegard Odyssey is a medieval Minecraft modpack blending RPG mechanics with immersive exploration. It features custom dungeons, class-based progression. Expect challenging survival, magic, and epic boss fights.

1.1kdownloads