Neural networks learned the game by playing it millions of times in a copy written in Rust.
Follow their runs one decision at a time, or play a run yourself with an AI at your side.
The AIs
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Play on iPhone or iPad
Open this page in Safari.
Tap the Share button (the square with an arrow), then Add to Home Screen.
Open Spire Viewer from your home screen: it runs full screen, without Safari's bars.
Turn your phone sideways: the game plays in landscape.
Runs you play in the home-screen app are kept there, apart from the ones in Safari.
More runs to watch
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Turn your phone sideways to play.
The game plays in landscape, like the game itself.