Whether you choose to join Gryffindor, Ravenclaw, Hufflepuff or Slytherin is completely up to you. This particular title is set prior to Harry Potter‘s arrival at Hogwarts and begins at Diagon Alley where you’ll be able to choose a wand for your character at Ollivanders, before selecting one of four houses to join. Harry Potter: Hogwarts Mystery Review, Main Features, Gameplay and Video