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Slay the Spire 2 Shatters Steam Roguelike Record With 430,000 Concurrent Players

Mega Crit says the PC-only Early Access will evolve for one to two years before broader platform releases.

Overview

  • The sequel launched March 5 at 1 p.m. ET on Steam for Windows, introducing four-player co-op and new card mechanics in an Early Access build.
  • SteamDB recorded a peak of roughly 430,456 concurrent players within 24 hours, the highest ever for a game tagged roguelike on the platform.
  • The surge propelled it to the top of Steam’s sellers and most‑played charts, overtaking Bungie’s Marathon on PC.
  • Heavy demand briefly caused stalled store pages and purchase issues on Steam, with outages lasting around half an hour before stabilizing.
  • Mega Crit plans steady content and balance updates throughout Early Access over one to two years, and later clarified a playful Marathon shoutout after the launch’s unexpected scale.