Cuphead DLC

The game is about two guys who live on an island. One day they receive a letter from their friend who is a ghost. He asks them to come to his aid. The children go to an island that lies far out in the ocean. There they meet an inventor who can create a magic mechanism that will revive their friend. But to do so, he needs various elements from the monsters. Now the children must fight the monsters and get all the necessary ingredients to revive the ghost. Help the children in this difficult task.