Printable Professional Mouser — Free Hard Nonogram Puzzle

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🖼 A hidden picture is waiting inside the grid. Use the numbers above each column and beside each row to work out which squares to fill in — the answer key sits at the bottom, fold it backward along the dotted line before you start.

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Professional Mouser

Nonogram · Puzzle No. 70 · ThePuzzleSolver.net

Hard

A logic-grid picture puzzle (also called picross or griddlers). Use the number clues to fill in the correct squares and reveal the hidden image.

Each number tells you how many squares in a row to fill in that line, in order. A clue of 2 2 means: fill 2 squares, leave at least one blank, then fill 2 more.

	2	8	11	5 8	3 12	2 12	13	9	13	13	9	9	9	13	13	9	17	12 5	8	8	7	8	2


2
4
5
3 1 1
3 6
3 6
3 6
3 8
3 17
21
20
18
15
15
15
13
11 2
3 2 2 2
3 2 2 2
3 2 2 2
3 2 2 2

25 columns × 25 rows

✂ fold backward along this line to hide the solution ✂

Solution hidden on screen — it prints automatically.

Solution

How to Solve This Nonogram

Nonograms (also called picross, griddlers, or hanjie) are logic puzzles that hide a picture inside a grid of numbers:

Fill the long horizontal body first. The middle rows carry big single runs like 21 and 20 across the 25-wide grid. That solid horizontal bar is the cat's body — lay it down first and everything else hangs off it.
Use the repeating leg pattern at the bottom. The lowest rows all read the same: 3 2 2 2. Those four separate blocks are the four legs with gaps between them, so once you spot the pattern the legs almost place themselves straight down.
Trace the raised tail on the left. The upper-left rows show short climbing runs (a 2, then a 4, then a 5) that curl upward. That is the tail lifted high — follow the clues up and let it hook back over the cat's back.

This puzzle is a 15×15 starting grid. For the full method, edge logic, and tougher techniques once you're ready to level up, read our complete guide to nonograms and advanced nonogram techniques.

About This Puzzle

Professional Mouser shows a cat in mid-stride, side profile, tail raised high with a confident curl — the classic look of a cat on patrol. This 25×25 Hard puzzle leans on pattern-spotting: the long body rows and the repeating four-leg clues give you a strong framework, while the lifted tail on the left is the flourish that finishes the picture. A rewarding solve with a bit of feline attitude.