Join Harry, the detective, as he takes on a new case. Find and help a recluse who is living inside a mysterious castle. Collect enough clues and don't forget to look into the hotspots. Harry Quantum 4 is provided to you by FunLand.com and is categorized into our puzzle games. This game was played 3,734 times and currently has a rating of 4.69 out of 5.00 after 13 votes.