For the first time gamers will play as friends Ron Weasley and Hermione Granger as well as Harry Potter, switching between characters and utilizing their key attributes and skills to resolve challenges and overcome enemies. The three friends will need to combine their strengths and master a variety of new spells as they face Harry's most terrifying opponents yet: the escaped convict Sirius Black and the Dementors, the sinister guards of Azkaban prison.