
Modrinth · Minecraft mod
Just Another Structure Pack
Adds new structures throughout the Overworld.
Quick answer
Which Just Another Structure Pack release should I use?
Just Another Structure Pack 2.5+mod targets 26.2 with Fabric, Forge, NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Just Another Structure Pack required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Just Another Structure Pack 2.5+mod need?
2.5+mod. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Just Another Structure Pack without breaking your instance.
Built for Just Another Structure Pack 2.5+mod. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 2.5+mod. It targets 26.2 with Fabric, Forge, NeoForge; 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
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 2.5+mod. It opens that exact file at the source.
About this project
What does Just Another Structure Pack add?
Just Another Structure Pack is a structure data pack that adds new structures to the Overworld. The various structures are designed to seamlessly integrate into vanilla gameplay and add variation and reward to exploration.
From small ruins to long lost labyrinths, Just Another Structure Pack offers a variety of structures for your worlds.
Structures include:
Catacombs:

These ominous structures spawn rarely in Taigas. The consist of a long entrance shaft and then a maze of twisting pathways. Contains lots of skeletons.
Bastion Outpost:

This mysterious underground structure contains many Illagers including Illusioners.
Friendly Outpost:

Rare structures that contains villagers and early game loot. Spawn in most biomes.
Illager Ship:

Find illagers aboard a ship in most ocean biomes.
Tower:

Towers generate uncommonly in the world and act as waypoints. Contains loot with helpful exploration resources, and always contain a compass and lodestone.
Rustic Church:

Small, ambient structure that spawns in forest biomes. Has a chance to spawn as a ruined variant.
Overgrown Library:
Small structure that spawns in Lush Caves. A good source of enchanted books and bookshelves.
Ambients
Small ruins found in deserts and forests, with more biomes planned for the future
Project description from Modrinth.
Pick your setup
Just Another Structure Pack by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.10
5 loader builds1.21.9
5 loader builds1.21.6
5 loader builds1.21.5
5 loader builds1.21
4 loader builds1.20.5
4 loader builds1.20.4
4 loader builds1.20.1
3 loader builds1.20
3 loader builds1.19.4
1 loader build1.19.3
1 loader buildShowing the newest 12 of 15 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
Just Another Structure Pack versions and loaders
2.5+mod
just-another-structure-pack-2.5.jar
21 Jul 2026
2.5
Just Another Structure Pack 2.5.zip
21 Jul 2026
2.4+mod
just-another-structure-pack-2.4.jar
1 Oct 2025
2.4
Just Another Structure Pack 2.4.zip
1 Oct 2025
2.3+mod
just-another-structure-pack-2.3.jar
26 Jun 2025
2.3
Just Another Structure Pack 2.3.zip
26 Jun 2025
2.2+mod
just-another-structure-pack-2.2.jar
15 May 2025
2.2
Just Another Structure Pack v2.2.zip
7 May 2025
2.1+mod
just-another-structure-pack-2.1.jar
13 Apr 2025
2.1
Just Another Structure Pack v2.1.zip
13 Apr 2025
2.0+mod
just-another-structure-pack-2.0.jar
23 Jul 2024
2.0
Just Another Structure Pack 2.0.zip
23 Jul 2024
Looking for an older file? The official Modrinth project page is in Resources.