
Grim kingdoms: structures & ruins
Adds forts, citadels, castles, with unique vanilla mobs/ hidden items
Screenshots






About this Mod
Grim Kingdoms: Lost Structures & Ruins adds close to 100 handmade structures, fantasy and medieval forts, citadels, castles, towers, ships, huts, and 2 kingdoms to your Minecraft world, inhabited by vanilla, and custom vanilla mobs, including feral white rabbits, gnomes etc...
Vanilla loot tables + hidden special items


Compatible with everything, but
Fully compatible with: 🧙🏼♂️
- Biomes O' Plenty (biomesoplenty)✨
- Nature's Spirit (natures_spirit)✨
- Oh The Biomes We've Gone (otbwg)✨
- Terralith (terralith)✨
- Regions Unexplored (regions_unexplored)✨
- William Wythers' Overhauled Overworld (wwoo)✨
- William Wythers' Expanded Ecosphere (wwee)✨
- No Man's Land (nml)✨

CASTLES FOR ALL BIOMES
LIST OF ITEMS: (doesnt include 2.0 items)
https://docs.google.com/spreadsheets/d/10QhMcOgmwVrPgZt2YgFWer8d1rZeGO3z0RyjHYkLWOo/edit?usp=sharing
Available Versions
How to Install Grim kingdoms: structures & ruins on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set datapack Loader
In the panel under "Egg", select the datapack loader and matching Minecraft version (26.2).
Install Mod
Open the mod browser in the dashboard and search for "Grim kingdoms: structures & ruins". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.2, 26.1.2, 26.1.1 (+23 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Grim kingdoms: structures & ruins server crashes on startup – what to do?
Most common cause: wrong datapack version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (26.2). You can switch loaders with one click in the panel.
Is Grim kingdoms: structures & ruins compatible with datapack and fabric and forge and neoforge and quilt?
Grim kingdoms: structures & ruins officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 26.2, 26.1.2, 26.1.1. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Grim kingdoms: structures & ruins – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Grim kingdoms: structures & ruins consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Install Grim kingdoms: structures & ruins with just one click on your server.
