Solo Dungeon Master
⚡ Spend 4 XP — Choose Advancement
📈 Increase a pool max by 4
⚔️ Add +1 Edge to a stat
🎓 Train a new skill
⭐ Specialize in a trained skill
✨ Other improvement
📜 Game Format Updated

The app has been updated and your saved adventure uses an older format that can no longer be loaded. You can download your adventure log as a Markdown file before it's cleared, or start fresh right away.

🐛 Report an Issue
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Powered by Claude — your story begins here

An AI-powered solo RPG in your browser. Claude acts as your Game Master for a full Cypher System adventure — narration, rules, and consequences all generated live. README →

Anthropic API Key

Sent directly to Anthropic — never forwarded elsewhere. Saved to this device so you only enter it once. Get one free at console.anthropic.com — pay-as-you-go, a typical session costs a few cents.

⭐
LEVEL UP!
You have grown stronger.