In each row try four colors. When you have done so, your trial will be rated: For every correctly set color you get a black pin, for every right color on the wrong position you get a white one.
So you know, how many correct colors you've found, but not which colors and on which position! Try different colors and combine the result to finally find the secret code!
Train your mind with this entertaining more...
- Completely rewritten for OS X 10.10 Yosemite
- New icon
- Game state saved on exit
- OS X 10.9 or later