The latest expansion to The Binding of Isaac: Rebirth features:
– 55+ new items
-Items / functionality from Booster Packs 1-3
– New final chapter with boss and ending
– New playable character
– Greed hard mode
– 5 new challenges
– Loads of new achievements
– New bosses and other little editions
– 100s of new rooms! ( tons of new ultra rare rooms )
– new victory lap feature! (allows the game to continue when finished)
– Bestiary! (enemy collection page that keeps track of everything you kill in game)
– 2 new transformations!
– 4+ new bosses and new alt forms for existing bosses!
– New enemies, features, and new champion forms!
– New cutscenes and music tracks!