Valkyrien Skies Mod (1.20.1, 1.19.2) – Realistic Physics

Ever wanted to build a ship in Minecraft that actually floats, collides, and behaves like a real vessel? Valkyrien Skies Mod makes that possible by introducing realistic physics to the game — blocks can fall, rotate, and interact with the world in ways vanilla Minecraft simply doesn't allow. With over 3.8 million downloads and active development since 2021, this physics library has become the go-to foundation for modders looking to add believable physical behavior to their creations. It even pairs with the popular Create mod, letting you bring real-world physics to your contraptions.

Key Features

• Ship Buoyancy System — Build vessels that genuinely float on water based on their weight and block composition. Overload your ship with heavy materials and it will sink, just like you'd expect.
• Realistic Collision — Ships collide with each other and with blocks in the world using proper physics calculations, creating dynamic and unpredictable interactions.
• Create Mod Compatibility — Works alongside the Create mod, allowing you to apply realistic physics to Create contraptions for even more immersive mechanical builds.
• Developer-Friendly Library — Designed as a physics library that other mod developers can hook into, opening the door for an entire ecosystem of physics-based mods.
• Ship Building Tools — Includes dedicated tools like a boat creator that lets you define and construct functional ships directly in-game.

Screenshots

How to Install

1. Download and install Minecraft Forge or Fabric Loader for your Minecraft version.
2. If using Forge, also install Kotlin for Forge. If using Fabric, install both Fabric API and Fabric Language Kotlin.
3. Download the Valkyrien Skies Mod file matching your Minecraft version and mod loader.
4. Place the downloaded .jar file into your .minecraft/mods folder.
5. Launch Minecraft and verify the mod appears in your mod list.

Requirements

Pros & Cons

Download

What's New

• Jolt Physics Engine — Now available as an alternative physics engine option for potentially improved performance.
• VS Command Feedback — Commands now provide proper feedback, making debugging and configuration easier.
• Respawn Fix — Resolved a critical bug where respawning could break all ships in the world.
• Compatibility Improvements — Fixed crashes with Hexcasting and Bluemap, corrected cannon recoil direction with CBC compat, and resolved weather/snow rendering on ships.
• Connectivity Disabled by Default — The flooding/connectivity system is temporarily off by default while a better replacement is in development.

FAQ

Does Valkyrien Skies work with the Create mod?

Yes, Valkyrien Skies is compatible with the Create mod and can apply realistic physics to Create contraptions, allowing your mechanical builds to interact with the world more naturally.

Is Valkyrien Skies a standalone mod or do I need other mods to use it?

Valkyrien Skies is primarily a library mod designed for developers to build upon. It does include ship-building tools you can use directly, but the full potential is unlocked when paired with add-on mods that leverage its physics engine.

What Minecraft versions does Valkyrien Skies support?

The mod supports Minecraft 1.20.1, 1.19.2, 1.18.2, 1.16.5, 1.12.2, 1.11.2, and 1.10.2. Newer versions (1.16.5+) are available for both Forge and Fabric, while older versions are Forge-only.

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