Harry Potter and the Half-blood Prince is an online NDS game that you can play at Emulator Online. This free Nintendo DS game is the United States of America region version for the USA. It has been played 3,863 times so far and was posted on January 18, 2018. Harry Potter and the Half-blood Prince is a single title from the many adventure games and harry potter games that we offer for this console. If you enjoyed playing this, then you can find similar games in the nds games category. Harry Potter and the Half-blood Prince game is from the various retro games on the site, and there are more games like this, including Harry Potter and the Sorcererâs Stone, Super Princess Peach and Harry Potter and the Chamber of Secrets.