15 by 15 nonograms

Fifteen by fifteen rewards patience. The same techniques work, but you will use edge logic and gaps much more. Every grid on this page is made in your browser the moment you ask for it, then checked by a solver so it has exactly one answer.

Tips for this size

Practice grids are random patterns. For a real picture, play today's puzzle.

Other sizes: 5 by 5, 10 by 10, 20 by 20.