FNF vs Binding of Isaac (Week 2 Update)

Game description:

Are you looking for a new adventure in the FNF world? Then try this mod, in which you will meet Isaac, a funny flash character from the Binding of Isaac game. Dancing against new personages is always thrilling. But even if your antagonist may look harmless, do not get relaxed. You need to help Boyfriend win this confrontation. So listen to new songs carefully and press the arrow signs to match the rhythm. It may be not so easy for beginners, so go through some training before you enter the real duel!