Harry Potter And The Half Blood-Prince (KS)(1 Up) ROM Download can be obtained free for Nintendo DS on EmuGames.net only. Play emulator game in English for the USA region. Harry Potter And The Half Blood-Prince is a NDS ROM that you can download to your computer or play online within your browser. You can also download roms such as LEGO Harry Potter Years 5-7 and Harry Potter And The Chamber Of Secrets that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.