Slay the Spire II Reportedly Sold 5.3 Million Units in March

According to Alinea Analytics’ Rhy Elliott.
Slay the Spire II Sales Surpass 3 Million Units In Its First Week

According to a Steam post.
Slay the Spire 2 Devs Aim To Surpass Silksong

In a recent Twitter post.
Slay the Spire II Is Now The Most Played Roguelike On Steam

According to SteamDB.
Slay the Spire II Early Access Release Date Announced

A trailer was also released.