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modpack

Ultra Optimized XMinecraft modpack

Trying to make Minecraft run as light as possible, this may make a good starting point...

client only
Latest version
1.1.4
Minecraft
no version declared
Java
follows the game
Loaders
none declared
Licence
LicenseRef-All-Rights-Reserved
Downloads
380
Updated
7 mo ago
Available on
Modrinth

Download

From Ultra Optimized X’s own host. Nothing is re-hosted here.

1.1.4alpha1 Mar 2026

Ultra Optimized 1.1.4.mrpack · 47 KB · for 1.21.11

Download latest
9c1e95e117bf…
Older versions4
  • 1.1.328 Jan 20261.21.1145 KB111 downloadsef0ce2fd9c35…Get
  • 1.1.22 Jan 20261.21.1145 KB52 downloads52fd21ada0e9…Get
  • 1.1.119 Dec 20251.21.1139 KB60 downloads7ca04fbd2232…Get
  • 1.0.022 Nov 20251.21.1038 KB84 downloadse19498433e22…Get

Frequently asked

Do I need to install Ultra Optimized X on the client or the server?

The client only. There is nothing to install on the server side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.

What licence is Ultra Optimized X under?

LicenseRef-All-Rights-Reserved, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Ultra Optimized X?

Use a launcher that imports packs, such as Prism Launcher, the Modrinth App or the CurseForge app, and open the pack file with it. The launcher installs the right loader and mods for you; installing a pack's mods by hand is the error-prone way.

Where do I download Ultra Optimized X safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Which Minecraft versions does Ultra Optimized X work on?

The author has not declared a supported version in the metadata we sync, so there is nothing here we can state as fact. Check the project's own page before installing it, and treat an old modpack with no declared version as untested on modern Minecraft.

Last checked 2 mo ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Not indexed yet. Score 50 against a threshold of 55. The page still exists and is still linked; it simply carries noindex until we hold more.

Is this information wrong or missing something? .