
- BGG rank
- BGG #8,088
- BGG rating
- 8.6
Phantom Epoch
- 1–4 players
- 45–120 min
- Complexity 3.2/5
- 2025

Rules assistance for Slay the Spire: The Board Game – Downfall
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

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Answers come from the official rulebook, with the page to check.
Slay the Spire: The Board Game – Downfall is an expansion for Slay the Spire: The Board Game released in 2027 for 1–4 players. Its main mechanics are Cooperative Game, Action Drafting, and Deck Construction.
Return to the Spire with Downfall, the first expansion for the award-winning Slay the Spire: The Board Game. Once protectors, now you are the slayers! Take on the roles of the Slime Boss, Guardian, Hexaghost, and Hermit, and join together to defeat Neow...but beware for new bosses stand in your way, challenging you once again to build a unique deck, discover new relics of immense power, and finally become strong enough to slay the Spire! —description from the publisher
Slay the Spire: The Board Game – Downfall supports 1–4 players according to the catalogue. This range comes from the publisher’s listed player count, so the game can be set up for any group size within it. Some setups, rules and scoring details may still vary by player count, so check your edition’s rulebook for the exact configuration.
Slay the Spire: The Board Game – Downfall has a complexity rating of 3.0 out of 5 from BoardGameGeek players, which makes it a medium-weight game. The rating reflects how much rules knowledge, planning and decision-making a typical game demands. Expect a longer first teach for heavier games, and use a preparation guide before game night.
Slay the Spire: The Board Game – Downfall belongs to these categories: Card Game, Fantasy, and Fighting. Its main mechanics are Cooperative Game, Action Drafting, and Deck Construction. Categories describe the theme and setting of a game, while mechanics describe what players actually do on their turns. Each mechanic links to a catalogue hub with similar games, which helps when you want something comparable.
The catalogue lists Slay the Spire: The Board Game – Downfall as an expansion for Slay the Spire: The Board Game. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Slay the Spire: The Board Game to use it. Check that your edition of Slay the Spire: The Board Game is compatible, as some expansions were revised between editions.