Harry Potter and the Half-blood Prince game is a ROM you can play online within your browser. This Nintendo DS ROM runs in our top-notch quality emulator at PlayRoms.net only. Play Harry Potter and the Half-blood Prince NDS game online in English USA version on your desktop, tablet, and mobile. If you liked playing this emulator then you will also be interested in similar classic titles Harry Potter and the Sorcerer’s Stone and Harry Potter and the Chamber of Secrets. This free game belongs to the Harry Potter and Adventure category of online retro games.