Harry Potter and the Half Blood Prince - Nintendo DS Warm up for the Hogwarts Quidditch Cup by leading training sessions and practice your skills as Keeper, Chaser and Seeker. Collect magical rewards including: mix potions, discover hidden items, defeat bullies and play mini-games. Master powerful spells by using your stylus as your wand. Play pranks on your enemies by throwing stink pellets and using spells to stop them in their tracks. Share the adventure by challenging your friends to fun wizard games like Gobstones, Exploding Snap and Wizard Skittles; and swapping Quidditch player cards.