CurseForge · Minecraft mod
Actinium
A lightweight performance mod
Quick answer
Which Actinium release should I use?
Actinium-1.18.x-forge.jar targets 1.18.1, 1.18, 1.18.2 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is Actinium 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 Actinium-1.18.x-forge.jar need?
Actinium-1.18.x-forge.jar. 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 Actinium without breaking your instance.
Built for Actinium-1.18.x-forge.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Actinium-1.18.x-forge.jar. It targets 1.18.1, 1.18, 1.18.2 with Forge; 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
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 Actinium-1.18.x-forge.jar. It opens that exact file at the source.
About this project
What does Actinium add?
A very lightweight, simple, vanilla-friendly performance mod, works by removing entities of type minecraft:arrow and minecraft:experience_point that are not used. No incompatibilities found yet.
MASSIVE UPDATE COMING SOON!
Hope You'll enjoy it!
Project description from CurseForge.
Pick your setup
Actinium by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.18.1
1 loader build1.18
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Actinium versions and loaders
Actinium-1.18.x-forge.jar
24 Jan 2026
Looking for an older file? The official CurseForge project page is in Resources.