From the Archive

#500 — Fri, May 15, 2026

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

hard20 x 20

Generating puzzle…

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

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About puzzle #500

Nonogram #500 appeared on Fri, May 15, 2026 as hard difficulty on a 20x20 grid. Its solution fills 132 of 400 cells — 33% density, a sparse picture with plenty of empty space to mark off. The clues break down into 60 runs across all rows and columns. The longest single run is 12 cells, in column 7, and the busiest line is row 8 with 3 separate runs to place. Like every daily here, it has exactly one solution reachable by logic alone.

Clues for puzzle #500

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 (20 rows)
Line	Clue
1	1
2	2
3	3 3
4	2 5
5	9
6	1 9
7	2 9
8	3 9 3
9	1 8 3
10	7
11	5
12	1
13	1
14	1
15	4
16	3 4
17	4 5
18	4 6
19	2 7
20	5

Column clues (20 columns)
Line	Clue
1	1
2	4 2
3	2 4
4	4
5	3
6	3 3
7	12
8	9
9	7
10	7
11	8
12	8
13	7 1
14	6 3
15	4 4
16	6
17	6
18	2 7
19	2 5
20	2

Line	Clue
1	1
2	4 2
3	2 4
4	4
5	3
6	3 3
7	12
8	9
9	7
10	7
11	8
12	8
13	7 1
14	6 3
15	4 4
16	6
17	6
18	2 7
19	2 5
20	2

Line	Clue
1	1
2	4 2
3	2 4
4	4
5	3
6	3 3
7	12
8	9
9	7
10	7
11	8
12	8
13	7 1
14	6 3
15	4 4
16	6
17	6
18	2 7
19	2 5
20	2

Line	Clue
1	1
2	4 2
3	2 4
4	4
5	3
6	3 3
7	12
8	9
9	7
10	7
11	8
12	8
13	7 1
14	6 3
15	4 4
16	6
17	6
18	2 7
19	2 5
20	2