Watch an AI play Slay the Spire
A neural network learned the game by playing it millions of times in a copy written in Rust.
Follow its runs one decision at a time, or play a run yourself.
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Watch the AI win at ascension 20
The Ironclad on the hardest difficulty, start to finish. Press play, or step through it.
Play a run yourself
Pick a character, an ascension and a seed. Every card, relic and ascension is open. With the Ironclad, the AI shows what it would do at every step, and can play for you.
Open a saved run
A run you saved here, or one from the training tools. You can also drop the file anywhere on the page.