Incrementing Our Way To Glory
What we learned rewriting Yarn Spinner's source generator as an incremental source generator: no reflection, arbitrary parameter types in commands and functions, and a lot of lessons about Roslyn.
Yarn Spinner creates narrative game tools for writers, programmers, game designers, and everyone in between.
Yarn Spinner tools help you plan, write, integrate, and test dialogue in your games.
Features for Everyone
See the Features →Write Better Dialogue
Author dialogue in VS Code with syntax highlighting, autocomplete, and live validation. The Yarn language makes branching narratives simple and readable.
Integrate Seamlessly
Import your dialogue into Unity, Godot, or Unreal Engine with official integrations. Your narrative connects directly to your game.
Present Beautifully
Display dialogue with customizable UI components. From speech bubbles to dialogue wheels, present your narrative your way.
Localize Effortlessly
Built-in localization support makes translating your game simple. Export strings, translate, and import back seamlessly.
Style & Animate
Add text effects, timing, and animation to bring your dialogue to life. Unity add-ons provide ready-made solutions.
Made with Yarn Spinner
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We love seeing what people make—big or small, shipped or in progress. Tell us about your game and we might feature it here.
Tell Us About Your Game →Recent posts
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Monthly Update: Jun '26
We automated our release packaging, rewrote our source generator, moved Yarn Spinner for Godot towards beta, built most of Story Solver's backend, kept working on VO tooling, and won an award.
Monthly Update: May '26
April was eaten almost entirely by running Level Up Tasmania (worth it! It’s fantastic to …