
Modrinth · Minecraft modpack
Skyblock Ultra
A modern Skyblock experience for Minecraft 1.21.5 featuring optimized textures, auto configuration loading, improved performance, and full Fabric compatibility.
Quick answer
Which Skyblock Ultra release should I use?
Skyblock Ultra 1.0.0 is a complete pack release for 1.21.5 with Fabric 0.17.2. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 30 mods in this pack file.
Pack setup
How should I set up Skyblock Ultra for players and a server?
Use Skyblock Ultra 1.0.0 as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.
A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.
These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.
What are the server requirements for Skyblock Ultra?
Skyblock Ultra 1.0.0. Change the pack release and its contents or setup may change too.
The selected pack release is Skyblock Ultra 1.0.0. That file is for Minecraft 1.21.5 with Fabric 0.17.2. It contains 30 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.
About this project
What kind of pack is Skyblock Ultra?
🪐 Skyblock Ultra
A modern Skyblock experience built for Minecraft 1.21.5 (Fabric)
Skyblock Ultra redefines the traditional Skyblock gameplay with a clean, modern design, improved performance, and full Fabric mod compatibility.
Every feature, texture, and configuration has been optimized for a smooth, stable, and visually enhanced experience — no setup required.
✨ Key Features
🌌 Modern Skyblock foundation with rebalanced mechanics
⚙️ Fully compatible with Fabric 1.21.5 and major performance mods
🎨 Integrated texture pack loading system
🧾 Built-in configuration handling for simple customization
🚀 Optimized startup and load times
🔧 Pre-configured and ready to play instantly (no manual setup needed)
💡 Clean, lightweight structure designed for long-term modpack expansion
🧩 Changelog
🪙 Version 0.1.0 – Genesis
Initial release of Skyblock Ultra
Introduced a modern Skyblock experience with reworked mechanics and smoother gameplay
Built on Minecraft 1.21.5 using Fabric API
Added essential mods: Fabric Loader, Cloth Config, ModMenu
Basic setup screens and structure implemented
⚙️ Version 0.1.1 – System Cleanup
Reorganized source files (client/main separation)
Fixed missing client packages and compiler issues
Updated Gradle + Loom for 1.21.5 support
Removed duplicate resources (modid.mixins.json, icon.png)
Enhanced mod stability and build reliability
🎨 Version 0.1.2 – Texture & Configuration Update
Added automatic texture pack loading on startup
Improved configuration saving and loading system
Optimized resource management and file structure
Fixed broken textures and missing visual assets
Removed SkyCubed (causing crashes) to increase stability
Improved compatibility with Fabric ecosystem mods
🧭 Future Roadmap
🌍 Custom Skyblock progression system
🖥️ Redesigned UI and setup screens
⚡ Further performance improvements
🌐 Optional multiplayer support
Project description from Modrinth.
Mods in Skyblock Ultra 1.0.0
Open any mod on Modpacks.ch to check its files and dependencies.
7d26d978a4f64800f15363cebea7b26c79a33fa3 · Modrinth version ImZUcNzP · Project link unavailable Side not labelled656ff9376212cabb74ebdbb486e804cb5c759355 · Modrinth version dfWnohnD · Project link unavailable Client onlydb73460f84cede7b5fc67dce7c38bbeb5444c63e · Modrinth version qA00xo1O · Project link unavailable Side not labelled3c4090957ada84b5e44295d5c083aea08ac34e41 · Modrinth version 107alniP · Project link unavailable Client only474a1acbcac4a54b7cc3ff6db3b7aa94a34af93e · Modrinth version S79XoZhx · Project link unavailable Client only920dea0ac4ff08f539099215eace9fda3e3fb2e3 · Modrinth version kKEGlsne · Project link unavailable Side not labelled05e9cc4108da5b50735fa6d8a79a18fcd5310d82 · Modrinth version i6MmXDwA · Project link unavailable Side not labelled53d76354587cd1965b842fdce7cff965b5c52fe5 · Modrinth version CtMpt7Jr · Project link unavailable Side not labelled5a73117f07951ab5d43acc5b4ca73715279a8263 · Modrinth version tEDjiypt · Project link unavailable Client onlya0c9329a6fe6741bb637e32bef57aa7defc82ccd · Modrinth version IkrpaHUp · Project link unavailable Client only7bc7380cbae85467d3f264d6a88dee77473bcdf5 · Modrinth version AJh4ziDx · Project link unavailable Client only3806a7c76347bcfd9f02b1317a5ddd1541bd24a7 · Modrinth version U6evbjd0 · Project link unavailable Client onlyeaa7ef4e1dba9006dd216bb310eb8ec3dccd84bc · Modrinth version xcELvp6R · Project link unavailable Side not labelledaa85f1d826593001c56ca13d5c064bca21cfc900 · Modrinth version WcDxGReS · Project link unavailable Client onlycdcbe5d129ca9939c3c95a09b3d6fd1ed5513edd · Modrinth version T7GjZmwP · Project link unavailable Client only9c57f0934b5b1a70c7427b996074e328c59e9f0f · Modrinth version VuMclPY8 · Project link unavailable Client only5b46fdd356bf146376227d171b7acdef52061bec · Modrinth version CpOQ5Gmz · Project link unavailable Side not labelleda0d0f5ba69fe67524931009bd72f4941d5f5d1b0 · Modrinth version xQbRMeoS · Project link unavailable Side not labelleddb8f916f040cb21efc395ca9e4d988f8a75f42d4 · Modrinth version 8x0q8gHM · Project link unavailable Side not labelleda50e4f379c59c3f531d0c87b6a7ff70482dc6667 · Modrinth version LPaLsUgE · Project link unavailable Client onlyfbad30613339b8d60b688e6f55956a5eabe6291f · Modrinth version jbuhRKxe · Project link unavailable Client only7387a4f4466f7724eb91423b26858f4a9d1d5f1c · Modrinth version SJrUeqti · Project link unavailable Client onlyed62937f5c2be57dc7a9399b7fd3cf76299d8d90 · Modrinth version 6JqrIiON · Project link unavailable Client onlyedee857e7e51e483108f530205feff850d635486 · Project link unavailable Client onlye52fda3ebe9d1b2830362dcf436548bef0c1964f · Modrinth version ntIJEWZD · Project link unavailable Client only8a7a0daca364326f0783cb13b3c2897f8f91fe8a · Modrinth version jkXUljZr · Project link unavailable Client only7683758111224e776a411f2a5a86c75bb1bd068c · Modrinth version elXfb9eh · Project link unavailable Client onlyf791686c1af393dd8931540f38b5aab8e28f2b5c · Modrinth version E5w6eZNE · Project link unavailable Client only6a7132ea86653541fa53ef88c764c8ac0cde81cc · Modrinth version DA250htH · Project link unavailable Client only70062ce6d7956536aca63df4258b1124f2bc3432 · Modrinth version fBTCjR8O · Project link unavailable Side not labelledPick your setup
Skyblock Ultra by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Made local changes? Try them in a copied instance before touching a world you care about.
Recent files
Skyblock Ultra versions and loaders
Looking for an older file? The official Modrinth project page is in Resources.