Harry Potter and the Order of The Phoenix - Mac Explore the Hogwarts from the movie and discover its magical secrets using the gesture-based spell casting system. Talk to the portraits, complete their missions and gain passwords for shortcuts around Hogwarts. The player can interact with virtually everything they come across, gain discovery points and unlock secrets in the Room of Rewards. Find and recruit the members of Dumbledore's Army. Harry Potter and the Order of the Phoenix 's non-linear gameplay allow the player to choose where they go, what they do and when they do it, within the magical surroundings of Hogwarts. Complete side-missions for teachers and attend Herbology, Charms, Transfiguration and Potions classes to earn O.W.L. grades. Achieving Outstanding opens secret areas of the castle!! Compete in Exploding Snap, Gobstones and Wizard Chess games throughout Hogwarts and challenge the best from each house. Play the key moments from the movie, from the Dementor attack in Little Whinging to the ferocious battles at the Ministry of Magic.