CurseForge · Minecraft mod
Additional Structures
Adds > 250 new structures that integrate perfectly into your world!
Quick answer
Which Additional Structures release matches 1.21.10 Quilt?
Additional Structures v.5.2.0 targets 1.21.2, 1.21.3, 1.21.4 with Fabric, Quilt. Do not install it on the client. It must be installed on the dedicated server. No extra mods listed for this file.
Where it goes
Is Additional Structures required on the client, server, or both?
Do not install it on the client. It must be installed on the dedicated server.
This file is marked server-only.
What else does Additional Structures v.5.2.0 need?
v.5.2.0 on 1.21.10 Quilt. Every mod below is checked against that same setup.
This file does not list any required mods. Do not add a library just because a different file uses it.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Additional Structures without breaking your instance.
Built for Additional Structures v.5.2.0 on 1.21.10 Quilt. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use v.5.2.0. It targets 1.21.2, 1.21.3, 1.21.4 with Fabric, Quilt; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Do not install it on the client. It must be installed on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside v.5.2.0. It opens that exact file at the source.
About this project
What does Additional Structures add?

📖 Description
This mod adds ~250 new small and medium-sized structures into the game to expand your world!
- supports biome generation mods, like Terralith, Traverse, Biomes O' Plenty, Biome Bundle and more!
- Mystcraft integration (MC 1.12)
- with config options to change the spawn values of each structure type! (MC 1.12)
- works with the /locate command
- with update-checker
- different structures generates in vanilla and modded biomes in the overworld and the end!
- Config Datapack
Want to modify or change some structure values on 1.18+? Here's how to do it!
Here can you find all structures of the current version!
Do you use Fabric or Quilt? Then use this version!

📷 Presentation















🗃️ Dependencies
Required:
- Magma Core [≥ MC 1.21.5]
- Provides basic code and features such as update-checker
- CurseForge | Modrinth
Supported:
- Mystcraft [MC 1.12]
- Feature symbols of AS structures added
- CurseForge | Modrinth
- Antique Atlas [≥ MC 1.21]
- Map marker for some structures on the map
- CurseForge | Modrinth

🎮 My other mods!
Project description from CurseForge.
Pick your setup
Additional Structures by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.11
2 loader builds1.21.10
3 loader builds1.21.9
3 loader builds1.21.8
2 loader builds1.21.7
2 loader builds1.21.6
2 loader builds1.21.5
3 loader builds1.21.4
3 loader builds1.21.3
3 loader builds1.21.2
3 loader builds1.21.1
3 loader builds1.21
3 loader buildsShowing the newest 12 of 30 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Additional Structures versions and loaders
v.5.2.0
AdditionalStructures-1.21-(v.5.2.0-FABRIC)-dev.jar
15 Dec 2025
v.5.1.3
AdditionalStructures-1.21.x-(v.5.1.3-fabric).jar
7 Sept 2025
Looking for an older file? The official CurseForge project page is in Resources.














