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






About this Mod

Grim Kingdoms: Lost Structures & Ruins adds 17 fantasy and medieval forts, citadels, and castles to your Minecraft world, inhabited by custom vanilla mobs, including feral white rabbits, wolves, and scrabbling, cunning gnomes that skitter through frozen ruins, etc...

At the moment these structures can appear only
in winter related biomes which include: 🌨
- snowy_plains
- snowy_beach
- snowy_taiga
- grove
- jagged_peaks
- frozen_peaks
- snowy_slopes
- ice_spikes
, all built using vanilla features only (FEEL FREE TO ADD TO ANY MODPACK)
Terralith compatibility + other terrain mod support,(no floaters!),
Vanilla loot tables + hidden special items and features

Fully compatible with everything🧙🏼♂️:
✨Fully compatible with Geophilic,
✨Fully compatible with JJ Thunder to the Max,
✨Fully compatible with William Wythers’ Overhauled Overworld,
✨Fully compatible with William Wythers' Expanded Ecosphere,
✨Mostly supports Biomes O' Plenty,
✨Mostly supports Oh The Biomes We've Gone,

CASTLES FOR ALL BIOMES . hopefully in the far future ._.
LIST OF ITEMS:
https://docs.google.com/spreadsheets/d/10QhMcOgmwVrPgZt2YgFWer8d1rZeGO3z0RyjHYkLWOo/edit?usp=sharing
LIST OF CURRENT STRUCTURES:
blackridge_watch---------------------------------------glimmervault_fortress
decrown_monolith-------------------------------------shardspire_castle------
frostbloom_bastion------------------------------------shardspire_castle------
frozen_onion_fort--------------------------------------silentgale_citadel------
frozen_onion_fort1-------------------------------------snowgrave_citadel----
frozen_onion_fort2-------------------------------------stonyfell_outpost-----
glacierfall_keep-----------------------------------------whitewarden_keep---
winterhold_citadel--------------------------------------zweiberg--------------
chill_hallmanor------------------------------------------travelers_lodge-------
Available Versions
How to Install Grim kingdoms: Lost 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 (26.1.2).
Install Mod
Open the mod browser in the dashboard and search for "Grim kingdoms: Lost structures & ruins". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.1.2, 26.1.1, 26.1 (+22 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Grim kingdoms: Lost 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 (26.1.2). You can switch loaders with one click in the panel.
Is Grim kingdoms: Lost structures & ruins compatible with datapack and fabric and forge and neoforge and quilt?
Grim kingdoms: Lost structures & ruins officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 26.1.2, 26.1.1, 26.1. 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: Lost structures & ruins – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Grim kingdoms: Lost 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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Rent Modded Server
Install Grim kingdoms: Lost structures & ruins with just one click on your server.
