Editorial Reviews. The Barnes & Noble Review After months of frenzied anticipation and wild speculation about the identity of the Half-Blood Prince, the numerous bombshells and incredible plot twists in the sixth, ever-darkening installment of J. K. Rowling's bestselling Harry Potter saga will leave readers as shocked and stunned as they are utterly satisfied. Harry Potter and the Half-Blood Prince is based on the movie of the same name. The player takes the role of Harry Potter who has to fight against Lord Voldemort and his minions. The game is not completely linear - between the chapters Harry can explore the school at his own leisure. Harry Potter and the Half-Blood Prince. Jump to. Edit. Release Date. Japan. July 6, 2009 (Tokyo, premiere) United Kingdom. July 7, 2009 (London Harry Potter and the Half-Blood Prince is currently available to stream, rent, and buy in the United States. JustWatch makes it easy to find out where you can legally watch your favorite movies & TV shows online. Visit JustWatch for more information. Best Price. The Half-Blood Prince on UHD continues the trend toward darkening and desaturation by director David Yates that can been seen in all four of his Potter films. Half-Blood Prince appears to have been regraded with a similar eye to adding darkness and reducing color, though nowhere as obviously noticeable as the cave sequence. the brightest colors c8p4.