Play and fun this free online flash logic and puzzle mind games. You can
download it to your computer.
Deduction free logic puzzle. Click on one of the five spaces to change the color
of the rock in it. You can choose from five colors. When you press done, you get
a white rock for every rock in the right place, and a black rock for every rock
that is the right color, but in the wrong space. Use this information to make another
guess. See whether you can guess the combination in 10 or fewer turns. Logic game