Nurikabe


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Nurikabe is a logic puzzle with a bit complicated rules and challenging solutions.

The rules are not so simple. :)
You have a grid of squares Some cells of the grid start containing numbers. The goal is to determine whether each of the cells of the grid is "black" or "white" (Islands in the Stream calls these "water" and "land" respectively). The black cells form "the nurikabe" (Islands in the Stream calls it "the stream"): they must all be orthogonally contiguous (form a single polyomino), number-free, and contain no 2x2 or larger solid rectangles (Islands in the Stream calls such illegal blocks "pools"). The white cells form "islands" (which is where Islands in the Stream got its name): each number n must be part of an n-omino composed only of white cells. All white cells must belong to exactly one island; islands must have exactly one numbered cell. Solvers will typically shade in cells they have deduced to be black and dot (non-numbered) cells deduced to be white.
Left click on a square to make it black. Right click to mark with dot. Click and drag to mark more than one square.

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Nurikabe




Size:



1
231
111
5x5 Nurikabe Puzzle ID: 2,189,122
33
111
5x5 Nurikabe Puzzle ID: 3,887,041
33
42
5x5 Nurikabe Puzzle ID: 9,120
4
4
14
5x5 Nurikabe Puzzle ID: 2,579,759
6
3
1
31
5x5 Nurikabe Puzzle ID: 9,033,582
22
3
2
5x5 Nurikabe Puzzle ID: 3,639,801
131
25
5x5 Nurikabe Puzzle ID: 3,320,709
1
1
13
14
5x5 Nurikabe Puzzle ID: 7,335,663
3
3
1
22
5x5 Nurikabe Puzzle ID: 3,408,787
12
24
2
5x5 Nurikabe Puzzle ID: 6,213,426
12
2
122
5x5 Nurikabe Puzzle ID: 5,615,935
12
1
133
5x5 Nurikabe Puzzle ID: 2,961,506
41
12
2
1
5x5 Nurikabe Puzzle ID: 6,635,633
31
212
1
5x5 Nurikabe Puzzle ID: 5,996,835
34
3
2
5x5 Nurikabe Puzzle ID: 3,408,951
2
32
13
5x5 Nurikabe Puzzle ID: 6,410,576
44
12
5x5 Nurikabe Puzzle ID: 646,085
412
2
11
5x5 Nurikabe Puzzle ID: 6,244,084
41
4
11
5x5 Nurikabe Puzzle ID: 2,871,833
13
2
312
5x5 Nurikabe Puzzle ID: 8,267,165
2
31
33
5x5 Nurikabe Puzzle ID: 4,018,178
31
315
5x5 Nurikabe Puzzle ID: 9,444,806
2
31
41
5x5 Nurikabe Puzzle ID: 8,404,764
531
1
3
5x5 Nurikabe Puzzle ID: 4,586,252
12
142
5x5 Nurikabe Puzzle ID: 5,615,108
221
1
21
5x5 Nurikabe Puzzle ID: 6,880,097
2
3
1
32
5x5 Nurikabe Puzzle ID: 520,935
421
3
5x5 Nurikabe Puzzle ID: 6,671,643
21
31
13
5x5 Nurikabe Puzzle ID: 5,726,120
1
13
12
5x5 Nurikabe Puzzle ID: 4,147,924
312
2
5
5x5 Nurikabe Puzzle ID: 624,177
2
2
1
122
5x5 Nurikabe Puzzle ID: 5,000,000
111
23
1
5x5 Nurikabe Puzzle ID: 1,169,261
135
5
5x5 Nurikabe Puzzle ID: 1,124,227
1
11
3
4
5x5 Nurikabe Puzzle ID: 4,318,949


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