How-to Mash presents an all-new online game based on Harry Potter. In this Harry Potter game, you are a wizard and you are supposed to kill ghosts by moving your wands. The more you kill, the longer you survive, the best the score you get. Let’s compete Potterheads! Comment down your scores and share your score with your Potterhead communities. This game is totally fan based so just enjoy the game. Report us if you have any complaints or feedback about this game. Avada Kedavra! Tap here to play this Harry Potter game full screen.