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One-shotting a Raccoon Heist game using Claude Fable 5

Simon Willison · Aug 05, 2026 · Engineering Insights

Claude Fable 5 built a complete playable game from a 2022 tweet screenshot in one session

Simon Willison used Claude Fable 5 in Claude Code for web to generate a fully playable 'Raccoon Heist' browser game from a 2022 tweet with minimal intervention, demonstrating strong one-shot code generation capability. He also shares a practical workflow using GitHub Pages to preview Claude Code for web output during long-running sessions. The demo is illustrative of current frontier model coding ability but is a developer experiment rather than a product or research announcement.

claude-fable-5 code-generation claude-code-for-web one-shot vibe-coding

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