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Cullium project artwork

CurseForge · Minecraft mod

Cullium

Cullium skips rendering invisible entities and orphaned block entities, reducing unnecessary GPU work for better performance.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Cullium release should I use?

Updated 7 months ago
Latest stable file Cullium
Game version 1.21.1
Loader Forge

Cullium targets 1.21.1 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 Cullium required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release Forge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does Cullium need?

Cullium. Change the file and its required mods may change too.

No extra mods listed for this file

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 Cullium without breaking your instance.

Built for Cullium. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use Cullium. It targets 1.21.1 with Forge; another release may have different loader, side or dependency requirements.

  2. 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.

  3. 03

    Put it on the correct side

    The project page does not say whether this file belongs on the client, dedicated server, or both.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside Cullium. It opens that exact file at the source.

About this project

What does Cullium add?

Cullium is a lightweight client-side performance mod that stops Minecraft from wasting time rendering things you can't see anyway.

What it does

  • Invisible entities — Any entity with the invisibility effect, or marked invisible via commands, is completely skipped. No shadow, no name tag, nothing processed at all.
  • Orphaned block entities — Chests, signs, banners and other block entities that have been removed or are sitting in air are skipped entirely.

Why it helps

Vanilla Minecraft still processes invisible entities through a large chunk of the render pipeline even though nothing shows up on screen. In servers or worlds with lots of invisible entities this adds up fast. Cullium cuts that work out completely.

Compatibility

  • Minecraft 1.21.1
  • Fabric Loader
  • Requires Fabric API

Notes

This is a client-side only mod — it does not need to be installed on the server. Should be compatible with most other mods.

Project description from CurseForge.

Pick your setup

Cullium by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

1 available setups

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

Cullium versions and loaders

1 of 1 releases match

Looking for an older file? The official CurseForge project page is in Resources.

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