AI games by Simon Willison
5 games on this site, made with Claude Opus 5.5 and GPT-6. Publishes his game prompts and the code on GitHub. Visit Simon Willison ↗
Plays hereTree AppreciatorA slow spot-the-difference game: two trees from one seed.
Plays hereBattle DronesA phone-friendly real-time strategy game with multiplayer.
Plays hereSqueak & SeekCosy 3D cat-and-mouse: grab the cheese, hide from the cat, get home.
Plays hereEmberwickA 15-minute story RPG whose full prompts are public.
Plays hereLantern HollowA fantasy RPG with companion fights, spell puzzles and branching endings.Are you Simon Willison? Email contact@tinyaigames.com to add a game, fix a credit or take a listing down.