YarnSpinnerTool/YarnSpinner

Health v2 · maintenance only

Adoption not part of the score

2832 stars · 230 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Yarn Spinner is the core compiler and engine-agnostic runtime for the Yarn dialogue language, a screenplay-like format for writing interactive conversations in games. This repository contains the C# source for compiling Yarn scripts and running dialogue, which engine-specific packages like Yarn Spinner for Unity build upon.

Use cases

• add branching dialogue to a video game
• compile yarn dialogue scripts into a runnable program
• write interactive conversations in a screenplay-like format
• build a custom dialogue system for a game engine
• localize and export game dialogue strings
• run dialogue lines, options, and commands from a narrative script

When to choose

• you need a proven, writer-friendly dialogue system for a game (used by Night in the Woods, DREDGE, A Short Hike)
• you want an engine-agnostic dialogue compiler/runtime to integrate into Unity, Godot, Unreal, or a custom engine
• you need branching narrative with localization support and a simple scripting language

When to avoid

• you need a ready-made Unity/Godot/Unreal integration - use the official engine packages instead of this core repo
• you need a visual dialogue editor rather than a text-based scripting language
• your project is not C# or cannot bind to a C# library

Facets

library · maturity stable

parser interpreter programming-language sdk plugin-system programming-languages parsers c cross-platform game-engine dialogue-system interactive-narrative yarn-language compiler game-dialogue branching-narrative engine-agnostic game-development localization

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