horizon
An unofficial Rust rewrite for Minecraft: Java Edition 26.3, checked against vanilla by 281 differential harnesses.
horizon launched on 3 October 2026. It ranked #40 on Daily Launch on 27 October 2026 with a Launch Score of 45, from +326 stars on 27 Oct on GitHub. It moved down 20 places from the day before.
What is horizon?
Horizon is Minecraft: Java Edition 26.3 rewritten in Rust: a native game that reads the same worlds, follows the same rules and generates the same terrain as the Java game, and is checked against it by 281 differential harnesses. You play it through a small launcher, on the files from your own copy of Minecraft. It is free, open source and unofficial.
From its README on GitHub
horizon is a repo by ludovic111 on GitHub. It is written in Rust and released under the MIT license.
How to get horizon
Get it from its repository on GitHub.
Screenshot of playhorizon.dev
In its own words
Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses. Get it with the Horizon launcher.
From its GitHub repository