CurseForge · Minecraft mod
Fundamentum
Library mod for shared systems.
Quick answer
Which Fundamentum release should I use?
fundamentum-neoforge-1.25.0+1.21.1.jar targets 1.21.1 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. All 1 required mods have matching files.
Where it goes
Is Fundamentum required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does fundamentum-neoforge-1.25.0+1.21.1.jar need?
fundamentum-neoforge-1.25.0+1.21.1.jar. Change the file and its required mods may change too.
Install Curios API first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Fundamentum without breaking your instance.
Built for fundamentum-neoforge-1.25.0+1.21.1.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use fundamentum-neoforge-1.25.0+1.21.1.jar. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Curios API first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside fundamentum-neoforge-1.25.0+1.21.1.jar. It opens that exact file at the source.
About this project
What does Fundamentum add?
- Wings, mounts and grappling hooks in their own Curios slots
- Cosmetic armour slots
- 3D arrows
- Special moons
- Use sickness for potions and other consumables, like Terraria’s potion sickness.
- Higher max health
Mods that use Fundamentum
- Ostentum — weapons, relics and summons built on Fundamentum's systems.
Project description from CurseForge.
Pick your setup
Fundamentum by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
1 loader build1.21.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Fundamentum versions and loaders
fundamentum-neoforge-1.25.0+1.21.1.jar
fundamentum-neoforge-1.25.0-1.21.1.jar
6 Nov 2026
fundamentum-neoforge-1.25.1+26.1.2.jar
fundamentum-neoforge-1.25.1-26.1.2.jar
6 Nov 2026
Looking for an older file? The official CurseForge project page is in Resources.