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:



211
14
3
5x5 Nurikabe Puzzle ID: 489,899
2
1
11
32
5x5 Nurikabe Puzzle ID: 7,788,427
22
131
11
5x5 Nurikabe Puzzle ID: 5,268,918
1
31
61
5x5 Nurikabe Puzzle ID: 1,435,849
2
2
2
22
5x5 Nurikabe Puzzle ID: 5,832,250
26
1
2
1
5x5 Nurikabe Puzzle ID: 9,601,602
1
32
41
5x5 Nurikabe Puzzle ID: 2,592,139
32
21
13
5x5 Nurikabe Puzzle ID: 1,686,331
312
1
1
3
5x5 Nurikabe Puzzle ID: 3,921,716
3
23
22
5x5 Nurikabe Puzzle ID: 206,570
32
2
2
5x5 Nurikabe Puzzle ID: 2,671,995
24
2
22
5x5 Nurikabe Puzzle ID: 6,945,033
22
2
2
2
5x5 Nurikabe Puzzle ID: 2,668,307
112
33
5x5 Nurikabe Puzzle ID: 1,770,597
1
321
13
5x5 Nurikabe Puzzle ID: 8,901,986
42
41
5x5 Nurikabe Puzzle ID: 5,073,871
43
2
1
2
5x5 Nurikabe Puzzle ID: 8,575,352
2
3
2
13
5x5 Nurikabe Puzzle ID: 2,531,453
21
1
43
5x5 Nurikabe Puzzle ID: 2,879,472
1
3
1
4
1
5x5 Nurikabe Puzzle ID: 3,890,864
1
9
2
5x5 Nurikabe Puzzle ID: 7,016,203
22
22
111
5x5 Nurikabe Puzzle ID: 4,383,994
111
13
5
5x5 Nurikabe Puzzle ID: 3,825,666
11
13
131
5x5 Nurikabe Puzzle ID: 3,930,676
22
31
2
5x5 Nurikabe Puzzle ID: 3,686,402
11
1
11
14
5x5 Nurikabe Puzzle ID: 2,932,620
13
22
2
1
5x5 Nurikabe Puzzle ID: 3,102,936
14
21
1
1
5x5 Nurikabe Puzzle ID: 6,160,691
21
3
4
5x5 Nurikabe Puzzle ID: 2,678,787
2
2
3
4
5x5 Nurikabe Puzzle ID: 2,841,053
44
1
31
5x5 Nurikabe Puzzle ID: 7,388,870
312
33
5x5 Nurikabe Puzzle ID: 9,614,660
31
321
1
5x5 Nurikabe Puzzle ID: 2,002,222
1
42
4
5x5 Nurikabe Puzzle ID: 1,404,491
12
224
5x5 Nurikabe Puzzle ID: 6,562,415


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