The Binding of Isaac: Rebirth Sets New Concurrent Player Record 12 Years After Release
The record shows that a decade-old indie roguelike can still draw a larger audience than at launch when supported by deep discounts and sustained post-release content.
Reporting from 1 sources: Automaton.
The Binding of Isaac: Rebirth reached 123,429 concurrent players on Steam, breaking its all-time record more than 12 years after its 2014 release. The surge is attributed to a 90% Steam Summer Sale discount and continued updates, including the free Repentance+ multiplayer DLC and cross-play support added earlier this year.
Edmund McMillen and Nicalis's roguelike action RPG The Binding of Isaac: Rebirth hit 123,429 concurrent players on Steam, according to SteamDB data cited by Automaton. That figure surpasses the previous all-time high of about 70,701 set in April 2021. The game, which originally launched in 2014, has seen its monthly average peak hover between 20,000 and 30,000 players in recent years.
The spike coincides with the Steam Summer Sale, which discounts the base game by 90% to 148 yen until July 10. The game also received the free multiplayer DLC Repentance+ in November 2024, and an online function update in April 2025 added cross-play and improved matchmaking and friend features. The combination of a historic low price and ongoing multiplayer enhancements drove the player count well past its previous peak.
Synthesized by Yomimono from the 1 cited source below, including Japanese-language reporting where cited, then editorially reviewed before publishing.