Harry Potter and the Prisoner of Azkaban is the sequel to Harry Potter and the Chamber of Secrets for PC and Mac and features similar action-adventure and platforming gameplay. The player controls both Harry as well as his friends Ron and Hermione while casting spells solving puzzles and fighting enemies. When not engaged in a specific mission the castle of Hogwarts can be freely explored. Scattered all around Hogwarts usually in hidden areas are Every Flavour Beans Pumpkin Pasties and Cauldron Cakes which function as a sort of currency. They can be traded for Collectors Cards passwords for portraits that lead to more secret areas and power-ups.