Decide what happens next.
Write what happens next, try new directions, and discover different storylines.
- Change the course of your story
- Explore alternative developments
- Return to earlier moments at any time
Interactive AI stories
Ryokan is an app for interactive stories with LLMs. Create your own stories, develop characters, and decide how the plot unfolds. The AI responds to your ideas and writes the story together with you.

What you can do with Ryokan
Experience Ryokan on Windows and Android.
Write what happens next, try new directions, and discover different storylines.
Develop characters with their own personalities, backstories, and relationships. Shape the world your story takes place in.

Connect a local model server or a compatible cloud API. You need a configured model or API access.
Ollama · LM Studio · Cloud APIsShare an invite link. Friends play along in their browser without installing anything or needing their own AI access.
Your stories and characters are stored locally. You decide which AI model to use and where your requests are sent. Multiplayer content is transmitted with end-to-end encryption.
An independent open-source project
The app, multiplayer relay, and browser client are fully open source.
Ryokan is under ongoing development. If something does not work or a feature is missing, you can open an issue on GitHub.
Visit the project on GitHubNative app · Multiplayer relay · Browser client