Defeat every monster, find every treasure and loot every room in this: the pinnacle of the Binding of Isaac: Four Souls product line. The Ultimate Collection is just that, Ultimate. It contains everything from the base game, the Four Souls+ and Requiem expansions, as well as deluxe, upgraded dice and token components. All of this is packaged in a glorious new gold collector's box that is sure to take pride of place on player's game shelves.