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modpack

Ultimate Lucky OneblockMinecraft modpack for 1.21.1

Lucky block Oneblock, enhanced with automation, machines, gear, bosses, and QoL features.

newest supported release 1.21.1SkyblockTech
Latest version
ULO v2.1
Minecraft
1.20.2 to 1.21.1
Java
Java 21+
Loaders
Forge, NeoForge
Licence
not stated
Downloads
386.3k
Updated
2 mo ago
Available on
CurseForge
Space NodeOur hosting

Host Ultimate Lucky Oneblock servers

One click and Ultimate Lucky Oneblock is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Forge
  • NeoForge
  • One click modpack install
  • Dependencies handled
  • Tuned startup flags
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Ultimate Lucky Oneblock declares support for, newest first, with the Java runtime that version needs.

Other modpacks
MinecraftThroughJavaEvidenceReleased
1.21.1Forge, NeoForge21+declared8 Aug 2024
1.20.2Forge, NeoForge17+declared20 Sept 2023

Download

From Ultimate Lucky Oneblock’s own host. Nothing is re-hosted here.

Most recently published release

ULO v2.1release28 Aug 2026

I FIXED IT.zip · 12.5 MB · for 1.21.1 · NeoForge

Download this release
12877a506214…
Older versions2
  • Ultimate Lucky Oneblock-v2.zip28 Sept 20251.21.113.4 MB169.1k downloads88c2d52eb9eb…Get
  • ULO 1.0.zip2 Aug 20241.20.275 KB76.6k downloads1d85d3be1275…Get

Frequently asked

Does Ultimate Lucky Oneblock work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Ultimate Lucky Oneblock declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Ultimate Lucky Oneblock support?

Everything the author has declared, from 1.20.2 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Ultimate Lucky Oneblock support?

Forge, NeoForge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Ultimate Lucky Oneblock?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

How do I install Ultimate Lucky Oneblock?

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 Ultimate Lucky Oneblock safely?

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

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

MAX FPS: Optimized🚀 MAX FPS WITHOUT UNNECESSARY MODS! Only 16 optimization mods - NOTHING EXTRA! ✅ ALL MAJOR VERSIONS ⚡ INSTALLS ON ANY LAUNCHER! (Guide below)Simply Optimized ReloadedAn unofficial port of Simply Optimized built to support every major mod loader and stay current with the newest versions of Minecraft.PacktrixPre-packed Official Modpack containing Patrix Resource Pack for easy install using Fabric/Quilt.OptimumFuse[1.21.5] [Fabric📜] An open-source modpack that improves the game's performance and visuals, inspired by OptiFine, while staying true to the vanilla Minecraft experience.fps+pvpFPS + PvP Boost is a lightweight Minecraft modpack designed to maximize performance and give players a competitive edge in PvP. With FPS-boosting optimizations and combat-focused tweaks, it delivers smoother gameplay, better responsiveness, and enhanced viExtreme Optimization!Threaten your game to run faster

Details from CurseForge, where the author last updated it on 29 Aug 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .