Horizon Engine
Builds straight off the workbench and the devlogs behind them — weeks or months before any of it reaches a release.
The same editor we're working in today, for all three platforms — cut from the current branch instead of a tagged release.
Feature write-ups that haven't been folded into a release yet, so you know what changed and what to look at.
Unstable by definition: things break, formats change, projects from a preview build may not open in the next one.
Preview builds and unreleased devlogs are restricted to testers. Enter your access secret to unlock this page.
Tell us who you are and what you'd like to try — we hand out secrets to people who'll actually put a build through its paces.
Unstable builds. These are in-development cuts, not releases. Back up your projects before opening them in a preview build, and don't ship anything made with one.
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Unpublished dev logs covering the preview build that is currently available.
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Released versions, roadmap and the public dev log live on the engine page.