Spire Codex

Community database and API for Slay the Spire 2 game data, built by reverse-engineering the game files.

Webfree

Spire Codex is a free, community-built database and API for Slay the Spire 2, covering cards, characters, monsters, relics, events, and more, extracted directly from the game's files and supporting all 15 shipped languages. It offers browsable data pages, a developer API, and a changelog tool tracking what changed between game versions. It's aimed at players and developers who want detailed, structured game data the publisher doesn't otherwise provide.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Spire Codex - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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