Harry Quantum 3 is a fun detective game. It can be played here on CrazyGames.com directly in your browser, free of charge. You can play Harry Quantum 3 unblocked. This terrific action game uses Flash technology to run flawlessly in all modern browsers. It has received 1,956 plays and has received a rating of 9.4 out of 10 by 16 people. If you like it, make sure to also play our other detective games or ANOVA and Total Darkness.