Slay the Spire 2 Shatters Records and Briefly "Slays" Steam

A Historic Launch

In a launch day that can only be described as a "critical hit," Mega Crit's highly anticipated sequel Slay the Spire 2 officially entered Steam Early Access on Thursday, March 5, 2026. The demand was so overwhelming it physically buckled Valve's storefront, causing the global cart system to crash for approximately 30 minutes as hundreds of thousands of players rushed to purchase the $24.99 title.

Within its first hour the sequel surpassed 100,000 concurrent players, but the momentum didn't stop there. By the 24-hour mark on Friday, March 6, the game reached a staggering peak of 430,456 concurrent players.

The New Roguelike King

This peak is nearly eight times higher than the original game's all-time record of roughly 57,000 set in late 2025. Slay the Spire 2 now holds the record for the highest-ever concurrent player count for a roguelike on Steam, surpassing recent heavyweights like Hades 2 and Balatro. On its first full day it sat atop the Steam Sales Chart, even outperforming Bungie's Marathon in both revenue and active players.

The Day-One Experience

Despite the initial store crashes, the game itself launched to "Overwhelmingly Positive" reviews — a 97% positive rating. The reception is a vindication for Mega Crit, which famously migrated development to the Godot Engine following 2023's Unity pricing controversy. Early reports suggest the move was a masterstroke, with users praising "silky smooth" performance and improved Steam Deck battery life.

Technical Alert: Known Launch-Day Fixes

While the game is polished, some users have reported "instant crash" or "black screen" issues on startup. The community has identified two reliable workarounds:

In a charming nod to the original's Early Access days, several cards still feature "MS Paint-style" placeholder art. Mega Crit plans to update all art across the 1–2 year Early Access development cycle.

What to Watch

With 430K concurrent players on day one of Early Access, the full 1.0 launch could push Slay the Spire 2 into territory previously reserved for free-to-play titans. The 4-player co-op is already driving Twitch viewership past 300K, and the community modding scene — a pillar of the original's longevity — has not even begun. Mega Crit has delivered a critical hit on the roguelike genre; now the question is how high the ceiling goes.

Sources

Concurrent player data sourced from SteamDB. Review rating from the Steam store page. Historical roguelike peaks verified against SteamDB records for Hades 2, Balatro, and Slay the Spire. Marathon revenue comparison based on SteamSpy estimates and Steam Sales Chart placement.