Icium

Name: Icium
Price: 8 EUR
Author: niicotino

A modpack focused on completely improving the optimization of vanilla Minecraft.

by niicotino

132 Downloads

0 Followers

fabricMC 1.21.4lightweightoptimization

Rent Icium Server

About this Modpack

Introducion Icium!

Experience smooth gameplay without FPS drops, along with support for connected textures, shaders, and zoom. Turn your Minecraft experience into something fluid, stable, and most importantly, much more enjoyable with Icium!

Why Icium?

The goal of Icium is to maximize Minecraft's performance while keeping the vanilla game unchanged, focusing solely on enhancing optimization to the fullest.

High compatibility

Icium doesn't add any new content to Minecraft, pure optimization mods. Allowing to have full compatibility with any Fabric mod

Installation

On the discord you have a complete guide on how to install Icium

Bugs or issues?

If you encounter any bug or issue with Icium, join the discord to get support

Additional Notes

Feel free to use Icium as a base for your own modpacks.
Here's a list with the full mod list

Spoiler

BadOptimizations https://modrinth.com/mod/badoptimizations

Cloth Config Api
https://modrinth.com/mod/cloth-config

Concentration
https://modrinth.com/mod/concentration

Concurrent Chunk Management Engine (Fabric)
https://modrinth.com/mod/c2me-fabric

Continuity
https://modrinth.com/mod/continuity

Debugify
https://modrinth.com/mod/debugify

Dynamic FPS
https://modrinth.com/mod/dynamic-fps

Enhanced Block Entities
https://modrinth.com/mod/ebe

Entity Culling
https://modrinth.com/mod/entityculling

Fabric API
https://modrinth.com/mod/fabric-api

Fabric Language Kotlin
https://modrinth.com/mod/fabric-language-kotlin

FerriteCore
https://modrinth.com/mod/ferrite-core

ImmediatelyFast
https://modrinth.com/mod/immediatelyfast

kennytvs-epic-force-close-loading-screen-mod-for-fabric
https://modrinth.com/mod/forcecloseworldloadingscreen

Krypton
https://modrinth.com/mod/krypton

Lithium
https://modrinth.com/mod/lithium

Memory Leak Fix
https://modrinth.com/mod/memoryleakfix

Mod Menu
https://modrinth.com/mod/modmenu

ModernFix
https://modrinth.com/mod/modernfix

More Culling
https://modrinth.com/mod/moreculling

Noisium
https://modrinth.com/mod/noisium

Reese's Sodium Options
https://modrinth.com/mod/reeses-sodium-options

Resourcify
https://modrinth.com/mod/resourcify

Indium
https://modrinth.com/mod/lithium

Sodium
https://modrinth.com/mod/sodium

Sodium Extra
https://modrinth.com/mod/sodium-extra

ThreadTweak
https://modrinth.com/mod/threadtweak

YetAnotherConfigLib (YACL)
https://modrinth.com/mod/yacl

Zoomify
https://modrinth.com/mod/zoomify

Available Versions

(1.21.4) Icium 1.0release

MC 1.21.4fabric56 downloads

May 2, 2025

(1.21.1) Icium 1.0release

MC 1.21.1fabric14 downloads

May 2, 2025

(1.20.6) Icium 1.0release

MC 1.20.6fabric13 downloads

May 2, 2025

(1.20.4) Icium 1.0release

MC 1.20.4fabric19 downloads

May 2, 2025

(1.20.1) Icium 1.0release

MC 1.20.1fabric28 downloads

April 29, 2025

How to Set Up a Icium Server

Order Server

Choose at least 4 GB RAM (6 GB recommended for Icium). Based on player count: per 8 players.

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "Icium" and click "Install". The fabric loader and Minecraft 1.21.4 are configured automatically.

Start Server & Play

Start the server – all mods are loaded automatically. Share the server IP with friends and play together!

Frequently Asked Questions

Icium server crashes or won't start – what to do?

Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 6 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.

How much RAM does a Icium server really need?

Minimum 4 GB, recommended 6 GB for stable performance. per 8 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €8/month).

Can I add custom mods to Icium without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.4). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.

Icium server lagging – performance tips

1) Increase RAM to 6 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.