For players looking to achieve 100% completion, the HowLongToBeat tracker estimates it takes approximately to see everything the expansion offers. Characters - The Binding of Isaac - Rebirth Wiki
: It adds Bethany and the dual-character Jacob and Esau . Additionally, every character now has a "Tainted" alternate version with unique mechanics, bringing the total roster to 34 playable characters.
: The expansion adds over 130 new items , bringing the total to more than 700. It also introduces 100+ new enemies and 25 new bosses.
: Unlike previous versions where a second player controlled a limited "baby," Repentance allows up to four players to control actual characters with their own items and health.
: A full alternate path (originally from the popular Antibirth mod) features brand-new chapters, bosses, and a definitive ending to Isaac's story.
: Many item and enemy sprites have been redesigned, and gameplay has been rebalanced to make "game-breaking" combinations harder to achieve, emphasizing strategic resource management. Gameplay Statistics New Items Total Playable Characters 34 (including Tainted variants) New Enemies New Bosses New Room Designs Total Achievements