Slay the Spire 2 Launch Was So Big It Crashed Steam's Servers
Published 2026-03-06Updated 2026-09-193 min read
Kotaku reported that Slay the Spire 2's launch traffic crashed parts of Steam — echoes of Hollow Knight: Silksong's release, with checkout and library failures reported as players rushed in.
The demand outgrew the plumbing. On launch day, players reporting checkout failures, library hiccups and store-page timeouts led Kotaku to the story of the day: Slay the Spire 2's opening rush had crashed parts of Steam — the second time in recent memory a single game's launch had done it, after Hollow Knight: Silksong's release.
The comparison was flattering company. Steam outages on launch day are the purest demand signal the platform produces: not a marketing claim, but infrastructure buckling under the number of people trying to give a company money at the same time. The spire's reopen — seven years after the original, paid Early Access, no pre-launch free-to-play hype engine — drew a crowd Steam's systems didn't expect for a card game.
The crash itself was brief; Steam's services recovered while the launch window was still hot, and the players who got through found the reviews flooding in positive and the concurrency graph climbing toward numbers no deckbuilder had touched.
It set the tone for the week that followed: a global #1 seller slot, a headline rivalry with a $250 million shooter's launch numbers, and a first-week three-million sales report from a studio that once chose its next project by flipping a coin.
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