Hard Nonogram (15×15)
Free printable 15×15 nonogram puzzles for a real challenge. Logic-solvable with a single unique solution. Play online, print, or download as a PDF.
1114
3212
333
51111
1133
2413
1311
412
11311
29
1712
522
1124
11122
222
48
411111
31122
113
1126
132
262
432
3131
3111
114
13113
3314
323
1211
The numbers tell you the runs of filled squares in each row and column. Switch to Mark mode to cross out blanks.
Frequently asked questions
What is a nonogram?+
A nonogram (also called picross or griddler) is a grid puzzle. The numbers beside each row and column tell you the lengths of the runs of filled squares; you use logic to figure out which squares to fill and reveal a hidden picture.
Do the puzzles have a unique solution?+
Yes. Every generated nonogram is checked so it can be solved by logic alone — no guessing — and has exactly one solution.
What sizes are available?+
5×5 (easy), 10×10 (medium) and 15×15 (hard).
How do I print it?+
Use Preview & Download for a US Letter or A4 PDF with the clued puzzle plus a solution page.