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the Spire: The Board Game - Downfall ...
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  4. Slay the Spire Gets Downfall Expansion Based on Popular PC Mod

Slay the Spire Gets Downfall Expansion Based on Popular PC Mod

Publisher Contention Games has launched a Kickstarter for Downfall, a board game expansion based on the beloved Slay the Spire PC mod that lets players control the boss monsters.

Eliza Crichton-Stuart

Eliza Crichton-Stuart

•

Updated Jun 9, 2026

the Spire: The Board Game - Downfall ...

The Slay the Spire board game already proved that one of gaming's most influential deckbuilders could make the jump to tabletop without losing what made it work. Now publisher Contention Games is taking things a step further with Downfall, a Kickstarter expansion that pulls its content directly from one of the PC game's most celebrated community mods.

A board game drawing expansion material from a fan-made PC mod is genuinely strange territory. It's a testament to how much the Downfall mod matters to the Slay the Spire community that it's getting this kind of official treatment.

Playing as the villains

The pitch for Downfall is the same on PC and at the table: you're playing as the monsters. The expansion lets you control the Slime Boss, Hexaghost, and Guardian, three of the most iconic boss enemies from the original game. The mod's original hero character, the Hermit, also makes the transition to cardboard.

Each playable character gets their own dedicated player board, a complete card set, and a miniature. The expansion also introduces new enemies and bosses, including versions of the original game's heroes recast as antagonists, plus additional relics, potions, and colourless cards to expand your collection.

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The Downfall PC mod holds an Overwhelmingly Positive rating on Steam with over 2,000 reviews, placing it among the most acclaimed fan expansions in the deckbuilder genre.

From Steam Workshop to the tabletop

The Downfall mod occupies an unusual place in the Slay the Spire community. Despite being entirely fan-made, it feels more like an unofficial sequel than a typical mod. Its Steam page has racked up over 2,000 reviews at an Overwhelmingly Positive rating, numbers that rival plenty of commercial releases.

That level of community support is what makes this expansion announcement feel different from a standard board game add-on. Contention Games isn't just adding more content. They're officially recognizing years of community work by integrating it into the physical product line.

Slime Boss player board

Slime Boss player board

What backing the Kickstarter will cost you

Board game Kickstarters rarely come cheap, and Downfall follows that pattern. The pricing tiers are:

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The campaign runs until April 8, giving you a narrow window to lock in the Kickstarter price. If you'd rather wait, the base Slay the Spire board game has been consistently available at retail since launch, which suggests Downfall will probably hit store shelves eventually.

Where this fits in the broader Slay the Spire moment

The timing matters. Slay the Spire 2 launched in Early Access and moved 3 million copies in its first week, as Mega Crit confirmed. The franchise is riding a wave of visibility and player interest right now, which gives the Downfall board game expansion more momentum than it might have had a year ago.

What gets overlooked is that the board game and the digital games serve different purposes. The tabletop version sacrifices speed and convenience for the tactile, social experience of playing across a table with other people. The co-op mode the base board game introduced, nearly two years before Slay the Spire 2 added its own, remains one of its strongest features.

Downfall introduces a fresh asymmetric angle to that experience. Playing as the bosses you've spent hundreds of digital runs trying to defeat is a perspective shift that the PC mod proved has genuine appeal. Whether it's worth the premium price depends entirely on how much you value that physical experience over just loading up the game on your PC. For dedicated fans of the tabletop version, this is the expansion they probably didn't expect to exist. Browse the latest gaming news to stay across what else is coming to tabletop and digital this year. Make sure to check out more:

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Eliza Crichton-Stuart author avatar

Eliza Crichton-Stuart

Head of Operations

updated

June 9th 2026

posted

June 9th 2026

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