How do I install Skies of the Unknown?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. Opens on Modrinth — not every file is mirrored on our own servers.

What Minecraft version does Skies of the Unknown work with?

The listing gives Minecraft 1.21.1. This is the version stated by the author or source site, not something we verified ourselves.

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Skies of the Unknown

Java modpack listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.

by unknown_Horizons · on Modrinth

⬇ Download on Modrinth

Open in MC Java Mods Get it on Google Play →

A sky‑engineering exploration pack built with Create and Aeronautics. Build airships, explore new dimensions, and face powerful challenges across floating worlds.

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.21.1
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

File checked by MCModsHub

Downloads as Skies of the Unknown 2.50.mrpack
Download size: 70.2 MB
Download link checked 7 Oct 2026 — working

These come from our own check of the pack file, not from the source page.

Explore more

All Modpacks for Java All Minecraft Java mods Java mods for 1.21