Japanese · Medium · 30x30
Bamboo Leaf 30x30 Nonogram
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Playjapanese · hard · 40x40
Koi Fish 40x40 Nonogram
Play Koi Fish 40x40 Nonogram, a 40x40 hard nonogram puzzle.
Time 00:00
Progress 0%
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Nonograms.pics
Koi Fish 40x40 Nonogram
Hard · 40x40 · Japanese
0
0
11
55
66
16
14
12
12
10
10
10
12
14
16
18
18
20
20
20
22
22
22
22
22
22
99
88
88
88
16
16
14
12
10
8
4
2
0
0
0
0
0
0
0
0
0
0
0
6
12
15
318
420
722
32
33
32
228
218
218
228
32
33
32
722
420
318
15
12
6
0
0
0
0
0
0
0
0
0
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Scan the QR code or open https://nonograms.pics/puzzle/japanese-fish-040/ to play this nonogram in your browser, check your progress, and save your solve.
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About this puzzle
A hard 40x40 grid in the Japanese theme, Koi Fish 40x40 Nonogram hides a recognisable picture once the logic clicks. About 33% of the grid is shaded — 526 filled cells out of 1600 — which makes for a fairly balanced board. The picture is top-bottom symmetric, so the lower half echoes the rows you work out up top.
The biggest single run here is 33 cells long — fill that first and the surrounding lines fall into place faster. Budget about 25 minutes for a relaxed solve.
How to solve this nonogram
On a large board, divide it into zones: lock in the longest clues, mark proven-empty cells with X, and only then chase the tight lines. With balanced coverage, alternate between filling forced cells and ruling out empties to keep both kinds of clue moving. Spot the symmetry early and you can copy solved sections to the mirrored side instead of re-deriving them. Turn Challenge mode on for instant feedback on mistakes, or leave it off for a calmer solve.
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PlayFAQ
FAQ
What size is Koi Fish 40x40 Nonogram?
Koi Fish 40x40 Nonogram is a 40x40 hard nonogram, so you can expect a longer, more demanding solve.
Does this puzzle save my progress?
Yes. Your moves and timer are saved in the browser after every action, so you can close the tab and come back later without losing anything.
How do I check for mistakes?
Tap Check any time for a manual review, or turn on Challenge mode for immediate feedback as you play.
What do the X marks do?
X marks flag cells you've proved are empty. They don't affect the solution, but they make bigger grids much easier to track.