70K peak players are all time high for The Binding of Isaac thanks to Repentance.
Repentance is the latest expansion and reinvents the experience.
After a decade of development Repentance marks the end of the indie classic.
Edmund McMillen talks about Repentance, complete with a Steam page and a placeholder date.
Repentance is the latest BOI content, and it will probably be an official integration of a fan creation.