The release date trailer for this expansion can be found here. It also improves the co-op mode by allowing players to use full-fledged characters rather than babies, and includes a metric boatload of quality-of-life changes to previous content. The expansion is an Updated Re-release of the Antibirth Game Mod, featuring the alternate path and expanding on it with new secondary floors.
The expansion not only includes even more items, bosses, and characters, but also features a detailed Monster Compendium, official developer tools and a Lua API specifically intended for modding the game.
BINDING OF ISAAC REBIRTH VIRGO UPDATE
BINDING OF ISAAC REBIRTH VIRGO PLUS
It adds a new category of collectibles called "trinkets," plus new and upgraded items, enemies, bosses, alternate areas, room types, a new character, a new ending and more.
The story follows Isaac, a young boy who finds himself in possibly the worst situation imaginable. The Binding of Isaac is a Black Comedy Horror Roguelike Top-Down Shooter made by Edmund McMillen and Florian Himsl, released in September 2011.