From the Archive

#310 — Thu, Nov 6, 2025

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 #310

Nonogram #310 appeared on Thu, Nov 6, 2025 as hard difficulty on a 20x20 grid. Its solution fills 139 of 400 cells — 35% density, a fairly open picture where empty cells do a lot of the work. The clues break down into 67 runs across all rows and columns. The longest single run is 11 cells, in column 3, and the busiest line is row 7 with 3 separate runs to place. Like every daily here, it has exactly one solution reachable by logic alone.

Clues for puzzle #310

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

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

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

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

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