Datasets

Run histories to learn from or compare against, agent trajectories, and structured game data.

Dataset	Game	Size	Format	Access
AgenticSTS trajectories Released by the AgenticSTS project: full language-model agent trajectories on Slay the Spire 2, recorded for reproducing and extending its memory experiments.	Slay the Spire 2	298 trajectories	Hugging Face dataset	Open
slay-the-spire-1-cards Card metadata for Slay the Spire on Hugging Face, part of a small collection that also has text and image embeddings. Card data, not run data.	Slay the Spire	360 cards, 18 columns	Parquet	Open
Slay-the-Spire-data Streamer run histories (vmService and others, with permission) in themed sets, such as a rotating 200-run sample and character-specific collections. Apache-2.0.	Slay the Spire	Hundreds of runs in curated sets	Run-history JSON plus Python analysis code	Open
Spire Codex game-data exports Per-language exports of the full Slay the Spire 2 game data, extracted from the game files for each version. A ready source of entity data for a simulator or a model's prompt.	Slay the Spire 2	Every card, relic, monster, event and more, per language	JSON via /api/exports/{lang}	Open
Mega Crit run-history dump Full run histories Mega Crit released to the community, the largest Slay the Spire dataset there is. There's no stable official download link; the linked analysis describes its contents and the 2020 slice.	Slay the Spire	75 million+ runs, about 380 GB (Oct 2018 – Nov 2020)	Run JSON	No stable link
Spirelogs Run-upload site that published pick rates, win rates and dangerous fights from 2018. It no longer responds, but Slay-I's fight predictor was trained on its data, which is why it still comes up.	Slay the Spire	Hundreds of thousands of uploaded runs	Website (no bulk export)	Offline