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Tiny AI Games

RPG & adventure · shared October 2026

Emberwick: an AI game made with Opus 5.5

A 15-minute story RPG whose full prompts are public.

Opus 5.5RPG & adventure

Loads from the creator’s site when you press play.Open in a new tab ↗

About Emberwick

A short fantasy RPG where you return to a village whose hearthfire has gone out. Simon Willison built it with Claude Opus 5.5 and published every prompt. A GPT-6 Pro take on the same idea, Lantern Hollow, is listed separately.

How Emberwick was made

Simon Willison credits Claude Opus 5.5 in the post, page or repository where the game was shared. We copied that credit; we did not rebuild the game.

Follow Simon Willison for updates, or see every game by Simon Willison on this site.

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Emberwick FAQ

Is Emberwick free to play?

Yes. Emberwick is free and runs in a web browser with no download or sign-up. You can play it on this page or open it on the creator’s site.

Which AI model made Emberwick?

Claude Opus 5.5, according to Simon Willison. The credit comes from the creator’s own post, page or repository.

Can I play Emberwick on a phone?

It opens on phones, but it plays best on a computer.