Yes. Valkyrien Skies [UNOFFICIAL] Port is free to download from Modrinth. Its license is LGPL-3.0-only.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

Valkyrien Skies [UNOFFICIAL] Port — Minecraft Mods

About Valkyrien Skies [UNOFFICIAL] Port

From Modrinth

An unofficial NeoForge/Fabric port of the Valkyrien Skies 2 physics engine to the newer Minecraft versions!

Valkyrien Skies (Unofficial Port)

> ⚠️ IMPORTANT DISCLAIMER > > This is an UNOFFICIAL port of Valkyrien Skies for newer Minecraft versions and mod loaders. > > Do NOT report any bugs or issues found in this version to the official Valkyrien Skies developers. > For support, bug reports, or questions regarding this port, please leave a comment here or contact the port author directly.

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🌟 About the Port

This build brings the powerful physics engine of Valkyrien Skies 2 to newer versions of Minecraft.

It allows you to create airships, boats, and other physics-based moving structures using the Valkyrien Skies physics system.

The project includes ports for modern mod loaders, with compatibility depending on the specific Minecraft version and loader.

🔧 Port Origin & Compatibility

Development: This version was built using existing port branches and source code from GitHub and has been further tweaked, fixed, and improved to work properly on newer Minecraft versions.
Iris Shaders: Compatible with the Fabric build for Minecraft 1.21.11.
Oculus: Compatibility may vary depending on the Minecraft version and loader.
ETF & EMF: Currently incompatible for unknown reasons. This may be fixed in future updates.

> ⚠️ Important: Compatibility can differ between Minecraft versions and mod loaders. Always use dependency versions matching your specific setup.

🛠️ Required Dependencies

To play this mod, you MUST install the required dependencies for your specific Minecraft version and mod loader.

Kotlin - Required by the port
Architectury API — Required by the port.

Make sure to use dependency versions compatible with your Minecraft version and mod loader.

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👤 Original Developers

Huge thanks to the original developers of Valkyrien Skies:

triode\_ — Original Valkyrien Skies developer.
rubydesic — Original Valkyrien Skies and Eureka! Ships developer.

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If the developer has any questions or complaints, please contact me on Discord: @valeriy1199

📜 Credits & License

Original Creators: Huge thanks to triode\_, rubydesic, and the entire Valkyrien Skies team for creating this amazing physics engine.
Original Source Code: Valkyrien Skies GitHub
License: This port is distributed under the LGPL-3.0 License, strictly adhering to the original mod's licensing terms.

Highlights

From source data

Game versions

Supports 3 Minecraft versions, the newest being 26.2.

Loaders

Runs on Fabric and NeoForge.

Footprint

Rated a light load on a server.

What kind of mod it is

From the catalog

Listed on Modrinth as “Mods”

Gameplay & overhauls

New mechanics, content and overhauls that change how the game plays.

Runs on your server

From source side support

Modrinth lists Valkyrien Skies [UNOFFICIAL] Port as required on the server. Check its Modrinth page to see whether players need it too.

Compatibility

Game: Minecraft
Loaders: FabricNeoForge
Runs on: Serverrequired on the server
Game versions: 26.2 and 2 earlier

Verified at the source

✓ModrinthOfficial listing, checked 2026-10-01Open ↗
✓AuthorLumixTeam, as published on Modrinth
✓LicenseLGPL-3.0-onlyFree

Valkyrien Skies [UNOFFICIAL] Port

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