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Mods for Minecraft Java

Browse 288 free mods for Minecraft Java — popular picks include CastleGuard, SolNet [Jumping Castle], Toms Server Additions: Bouncy Castle!.

Step by step: How to install Minecraft Java mods & modpacks

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CastleGuard
1.20

CastleGuard

A Custom Whitelist and Join Suite Plugin

613downloads
SolNet [Jumping Castle]
forge

SolNet [Jumping Castle]

A unified networking model for Minecraft

594downloads
Toms Server Additions: Bouncy Castle!
1.21.6fabric

Toms Server Additions: Bouncy Castle!

Serverside colourful bouncy blocks!

537downloads
Climbing Claws
1.21.11neoforge

Climbing Claws

Climbing Claws adds a dedicated traversal tool that lets you climb nearly any block like a ladder. Scale caves, cliffs, castles, and builds with precise control, without placing ladders, scaffolding, or grappling hooks.

534downloads
Caleari Castle
26.3fabric

Caleari Castle

This datapack adds a unique structure belonging to the Caleari Castle, bringing their distinctive style to your Minecraft world! Compatibility 1.20 to 26.3

509downloads
The Middle Ages
1.20.1forge

The Middle Ages

This mod added knights, Kings and 2 castles!

504downloads
TreexCastle
1.20

TreexCastle

Durable blocks that drop loot. Gui support

407downloads
Hewn
1.21neoforge

Hewn

A growing collection of medieval-inspired building blocks, starting with connected wattle and daub. Perfect for rustic and historical builds.

405downloads
MagicStructure
1.21

MagicStructure

Add trees, dungeons, new buildings, and flying islands from schematics to your world generation.

382downloads
NLYB: Looting and Exploration
1.21.1neoforge

NLYB: Looting and Exploration

Shrink and store entire dungeons, temples, and villager houses then loot them safely from your base. (Never Leave Your Base)

368downloads
Castle Defence for SimpleClan
1.16spigot

Castle Defence for SimpleClan

Mini Game Castle Defence for SimpleClan

366downloads
ViMo
1.21.1neoforge

ViMo

This mod adds classes, magic, weapons inspire by Castle Crashers

281downloads
CastleWars
1.18spigot

CastleWars

Modern TDM/CTF/1CTF PvP arenas with some unique features.

268downloads
Res Additae
1.7.10forge

Res Additae

Adds new dyes, wood types, stone types, and other building blocks. Also adds magic, a few dungeons, and a new dimension.

231downloads
充气城堡PVP
1.20.1forge

充气城堡PVP

添加了充气城堡方块,黄金巨蟒,方便面碎片,滑梯,泡沫棒和水枪 Added bouncy castle blocks, golden anaconda, instant noodle fragments, slides, foam sticks, and water guns

230downloads
Castles And Outposts
1.21.8fabric

Castles And Outposts

Castles And Outposts is a Fabric mod that enhances world generation with majestic medieval castles and fortified outposts inhabited by vindicators. Explore dangerous dungeons, defeat hostile guards, and claim these grand structures as your own epic bases.

222downloads
Music Mayhem
1.20.4fabric

Music Mayhem

Created Cuz IDK Why Dafudge I Did This I Got Bored. PLZ GET KNIGHTS AND CASTLES ITS GOOD. Also Its A Bit Impossible But Possible In Creative I THink.

211downloads
The Bob Mod!
1.21.1neoforge

The Bob Mod!

The Bob Mod adds, you guessed it, Bob! Bob can fly around his bob castle, and his portal room to the Bob dimension. The Bob chicken is also added, and is a brand new boss to fight!

179downloads
CasleRush
1.21.11

CasleRush

CastleRush, inspired by the German Youtubers "Rewinside" and "Ungespielt". A Paper Plugin that you can install to play an optimized version of the Format. Build your Castles with how many friends you want and race against them at the end.

144downloads
Diamond Gear+
1.21.8fabric

Diamond Gear+

Expand your world with this mod! It adds an upgraded "X" tier diamond armor set, a powerful Diamond Sword X, and a brand-new Diamond Shield. Explore the world to find a massive, rare Castle spawning in the Plains, and trade your emeralds with villagers to

128downloads
Assorted Gates
26.2fabric

Assorted Gates

Adds the castle gate and garage door, and the trumpet and remote that open them.

102downloads
Contur
26.2

Contur

Dungeon & Adventure Framework. A server-side framework for building instanced PvE dungeons, adventures and anomalies with portals, loot, custom mobs, waves, events, keys and doors.

18downloads
CastelChest
1.21

CastelChest

"Castel" minigame plugin: close-quarters combat in a castle, loot to scavenge from chests/barrels, surprise traps/buffs upon opening, and an optional late-game Wither. Supports multiple named, independent arenas running concurrently.

11downloads
LegendaryRealm
26.2paper

LegendaryRealm

Better structions,new one and custom weapons

1downloads
Ember's Castles and Keeps Mod (1.21.4, 1.20.1) – Raid Massive Enemy Strongholds
1.21.4forge

Ember's Castles and Keeps Mod (1.21.4, 1.20.1) – Raid Massive Enemy Strongholds

Ember's Castles and Keeps Mod populates the world with massive fortifications, hostile strongholds, and loot-filled towers. Players can find structures ranging from safe villager bastions to monster-infested ruins. Each location challenges you with traps, dangerous mobs, and parkour courses that reward you with valuable items upon reaching the top. Features: Spawns massive custom castles and […]

Connectible Chains 9minecraft Mod (26.3) – Hang Realistic Railings Between Posts

Connectible Chains 9minecraft Mod (26.3) – Hang Realistic Railings Between Posts

Connectible Chains 9minecraft Mod lets you connect fences and walls together using hanging chains. It turns standard iron chains into decorative links that sag naturally between posts. You can place chains across garden borders, castle bridges, docks, and town pathways to build realistic railings. The chains also feature solid collision, stopping mobs and players from […]

Decorative Blocks 9minecraft Mod (26.3, 26.2) – Build Authentic Medieval Taverns

Decorative Blocks 9minecraft Mod (26.3, 26.2) – Build Authentic Medieval Taverns

Decorative Blocks 9minecraft Mod adds 16 new building parts to your game. It gives you everything you need to make old-style medieval taverns and rustic houses. You can use these pieces to make your wooden cabins or stone castles look much better. Features: Thatch Roofs: Adds golden straw tiles that are perfect for farmhouses and […]

More Music Discs Records Mod (1.21.1, 1.20.1) – Soundtrack Your Survival Base
1.21.1forge

More Music Discs Records Mod (1.21.1, 1.20.1) – Soundtrack Your Survival Base

More Music Discs Records Mod adds dozens of brand new craftable music records to your jukebox collection. The mod gives you a simple way to create blank discs and combine them with items from your world. You can also craft every vanilla music disc without waiting for rare mob drops or dungeon loot. It brings […]

Ironbound Citadels Mod (26.1.2, 1.21.1) – Find Cozy Medieval Taverns
1.21.1neoforge

Ironbound Citadels Mod (26.1.2, 1.21.1) – Find Cozy Medieval Taverns

Ironbound Citadels Mod populates your world with medieval structures like rustic inns, stone houses, and old workshops. These buildings generate naturally across villages and open wilderness. Exploring your surroundings becomes more fun when you stumble upon pre-built taverns and ready-made portals. Each build brings a cozy Middle Ages look to your terrain. Features: Chic House: […]

World of Silence Mod (26.3, 26.1.2) – Survive a Dark Sculk Realm
fabric

World of Silence Mod (26.3, 26.1.2) – Survive a Dark Sculk Realm

World of Silence Mod unlocks a dark new dimension reachable through the Ancient City portal. Players can travel deep into eerie sculk biomes, confront massive boss enemies, and gather unique resources to craft potent gear. The mod transforms the quiet depths into a hostile realm packed with castles, strange creatures, and mysterious ancient magic. Features: […]

ATi Structures Vanilla Edition Mod (26.3, 1.20.1) – Find Medieval Ruins
1.20.1fabric

ATi Structures Vanilla Edition Mod (26.3, 1.20.1) – Find Medieval Ruins

ATi Structures Vanilla Edition Mod fills your Minecraft world with handcrafted fantasy and medieval builds. Each ruin and dungeon generates above or below the surface using standard blocks and base game mobs. This mod works right away in survival worlds and blends with vanilla terrain without requiring custom blocks or new items. Features: Spawns dozens […]

Integrated Mowzie's Mobs Mod (1.21.1, 1.20.1) – Battle Epic Bosses
1.21.1

Integrated Mowzie's Mobs Mod (1.21.1, 1.20.1) – Battle Epic Bosses

Integrated Mowzie's Mobs Mod redesigns every structure and boss arena in Mowzie's Mobs. This mod updates dungeon layouts so buildings sit naturally on mountains, plains, and snowy peaks. It adds decorations and utility blocks from other installed mods into enemy chambers. Players get fresh battlegrounds to fight dangerous foes throughout the world. Features: Structure Overhaul: […]

Medieval Machinery Mod (1.20.1) – Command Royal Armies and Wage Medieval Sieges
1.20.1fabric

Medieval Machinery Mod (1.20.1) – Command Royal Armies and Wage Medieval Sieges

Medieval Machinery Mod brings functional siege weapons, royal kingdoms, and full military armies to Minecraft. You can build your own realm, recruit different types of loyal soldiers, and wage war or form alliances with other factions. The mod lets you place working cannons, build catapults, and manage castle defenses with specialized commanders. Soldiers can guard […]

Box of Structures Legendary Monsters Mod (1.21.1, 1.20.1)
1.21.1neoforge

Box of Structures Legendary Monsters Mod (1.21.1, 1.20.1)

Box of Structures Legendary Monsters Mod extends Legendary Monsters with completely rebuilt dungeons and monster nests. This mod replaces the original buildings with bigger, better-looking layouts to make monster hunting more exciting. You can find these new temples and hazardous lairs across your travels in different biomes. Features: Reworks existing locations from the parent mod […]

Structure Finder Mod (26.3, 1.20.1) – Track Down Hidden Dungeons
1.20.1fabric

Structure Finder Mod (26.3, 1.20.1) – Track Down Hidden Dungeons

Structure Finder Mod equips you with a special compass to locate buildings in your world. The tool points directly toward the nearest selected structure and tells you the exact block distance to your target. It simplifies exploration by helping you find points of interest across the land without wandering aimlessly. Features: Structure Compass: Points directly […]

Medieval Glass Mod (26.3, 1.21.11) – Build Rustic Castles with Leaded Stained
1.21.11neoforge

Medieval Glass Mod (26.3, 1.21.11) – Build Rustic Castles with Leaded Stained

Medieval Glass Mod introduces authentic leaded glass panes and decorative wood-framed windows to Minecraft. It adds vibrant colored glass blocks without replacing vanilla stained glass. Every glass pane fits standard 16×16 textures and connects automatically to matching blocks without extra mods. Features: Leaded Glass Panes: Adds vibrant stained glass with authentic metal borders inspired by […]