From the Archive

#639 — Thu, Oct 1, 2026

Past puzzle — replay any time. Does not affect your streak.

medium15 x 15
Generating puzzle…

A free nonogram (picross) puzzle, fresh every day. Use the row and column number clues to fill in the correct cells.

About puzzle #639

Nonogram #639 appeared on Thu, Oct 1, 2026 as medium difficulty on a 15x15 grid. Its solution fills 89 of 225 cells — 40% density, a fairly open picture where empty cells do a lot of the work. The clues break down into 41 runs across all rows and columns. The longest single run is 10 cells, in row 8, and the busiest line is column 13 with 3 separate runs to place. Like every daily here, it has exactly one solution reachable by logic alone.

Clues for puzzle #639

Each clue lists the lengths of the filled runs in that line, in order, with at least one empty cell between runs. A clue of 0 means the line is empty.

Row clues (15 rows)
LineClue
12
24
37
47
54
63
73
810 2
99 2
102 9
116
126
136
146
151
Column clues (15 columns)
LineClue
11
21
33
43
52
62
71 6
83 7
94 7
104 7
114 6
124 6
135 1 1
147
154