Mods for Minecraft Java
Browse 286 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
A Custom Whitelist and Join Suite Plugin
SolNet [Jumping Castle]
A unified networking model for Minecraft
Toms Server Additions: Bouncy Castle!
Serverside colourful bouncy blocks!
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.
The Middle Ages
This mod added knights, Kings and 2 castles!
Hewn
A growing collection of medieval-inspired building blocks, starting with connected wattle and daub. Perfect for rustic and historical builds.
TreexCastle
Durable blocks that drop loot. Gui support
Castle Defence for SimpleClan
Mini Game Castle Defence for SimpleClan
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
MagicStructure
Add trees, dungeons, new buildings, and flying islands from schematics to your world generation.
NLYB: Looting and Exploration
Shrink and store entire dungeons, temples, and villager houses then loot them safely from your base. (Never Leave Your Base)
ViMo
This mod adds classes, magic, weapons inspire by Castle Crashers
CastleWars
Modern TDM/CTF/1CTF PvP arenas with some unique features.
Res Additae
Adds new dyes, wood types, stone types, and other building blocks. Also adds magic, a few dungeons, and a new dimension.
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.
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
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.
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!
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.
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
Assorted Gates
Adds the castle gate and garage door, and the trumpet and remote that open them.
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.

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.
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
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
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
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 […]
LegendaryRealm
Better structions,new one and custom weapons
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
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)
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
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
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 […]
Functional Statues Mod (26.3, 1.20.1) – Craft Custom Stone Statues
Functional Statues Mod adds detailed, craftable sculptures to decorate your builds and landscapes. Each statue features custom models and textures that bring character to your surroundings. You can craft every piece in survival mode and place them facing your player direction. The collection fits right into castles, gardens, villages, ruins, and custom adventure maps. Features: […]
Woven in Time Mod (26.3, 1.20.1) – Decorate Your Castle Walls with Ancient
Woven in Time Mod adds 14 decorative paintings inspired by real tapestries from human history. Players can hang artwork based on ancient Persian relics, French royal patterns, and Viking age textiles directly on their walls. Each piece brings centuries of warfare, royalty, and folklore into your Minecraft builds. The designs match different cultural eras from […]
Nebulus Knight Castle Mod (1.21.4, 1.20.1) – Raid Multi-Stage Castles
Nebulus Knight Castle Mod spawns large knight fortresses with three challenging stages across your world. Each fortress contains new weapons, fresh food items, magic effects, and rare loot you cannot craft or buy anywhere else. You can test your movement skills on parkour jumps, trade items with a Knight Ravager shopkeeper, or clear out the […]