horizon-rust/horizon
Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses. Get it with the Horizon launcher.
From the publisher
README & documentation
Source previewRead the project’s overview, installation instructions and usage examples. The original README is the source of truth.
Website · Download · Documentation · Release notes · Roadmap · Project status · Contributing 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. Horizon is installed through the Horizon launcher. Get it from playhorizon.dev (the Download button picks your system) or from the launcher releases, for Linux x86-64, macOS on Apple Silicon or Windows x64. The launcher installs and updates the game, prepares its files from your own copy of Minecraft, and updates itself. You need a Microsoft account that owns Minecraft: Java Edition (the launcher signs in with it, as other launchers do; see Microsoft…
Read the full README ↗ · Preview checked 2026-10-28T12:22:54.818Z
Inside the original README — Document outline
- Horizon
- Download
- What works today
- Host a server
- Modpacks
- Agent control
- Build from source
- Roadmap
- Contributing
- Project status
- Java parity: 100%
- Known issues
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What this repository does
Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses. Get it with the Horizon launcher.
Repository facts
- Owner
- horizon-rust
- Primary language
- Rust
- Stars
- 5,517
- Forks
- 657
- Open issues + pull requests
- 375
- License
- MIT
- Archived
- No
- Default branch
- main
- Created
- 2026-10-03T17:08:48.000Z
- Last push
- 2026-11-01T12:06:34.000Z
Topics and intended use
Owner-supplied topics: differential-testing, game-engine, gamedev, linux, minecraft, minecraft-java, reimplementation, rust, voxel, vulkan, wgpu
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Source and freshness
Source: GitHub. Metadata observed 2026-11-01T12:18:40.947Z. Daily imports are snapshots, not real-time monitoring.
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