Harry Potter and the Half Blood Prince - Xbox 360 Local 2-player multiplayer play option available and Xbox LIVE friends and achievements support. Take part in thrilling wizard duels, battling against Death Eaters in Hogwarts, Inferi in the Horcrux cave and much more. Create magical potions with Professor Slughorn using the Half-Blood Princes Potions book. Take to the air to lead the Gryffindor Quidditch team to victory. You may even get sidetracked by Ron's romantic entanglements as you journey towards a dramatic climax and discover the identity of the Half-Blood Prince.