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:



31
21
32
5x5 Nurikabe Puzzle ID: 6,657,023
4
4
32
5x5 Nurikabe Puzzle ID: 6,151,944
1
4
421
5x5 Nurikabe Puzzle ID: 904,792
423
3
5x5 Nurikabe Puzzle ID: 8,399,622
31
4
4
5x5 Nurikabe Puzzle ID: 747,239
4
13
41
5x5 Nurikabe Puzzle ID: 8,259,563
21
2
23
5x5 Nurikabe Puzzle ID: 25,452
311
3
5
5x5 Nurikabe Puzzle ID: 7,539,341
241
2
2
5x5 Nurikabe Puzzle ID: 770,593
2
122
31
5x5 Nurikabe Puzzle ID: 3,291,550
1
12
2
32
5x5 Nurikabe Puzzle ID: 4,008,727
121
41
1
5x5 Nurikabe Puzzle ID: 4,499,920
3
24
1
5x5 Nurikabe Puzzle ID: 5,633,251
22
21
12
5x5 Nurikabe Puzzle ID: 4,897,852
223
22
5x5 Nurikabe Puzzle ID: 3,882,582
441
3
5x5 Nurikabe Puzzle ID: 1,000,995
11
1
11
121
5x5 Nurikabe Puzzle ID: 6,833,880
32
2
1
3
5x5 Nurikabe Puzzle ID: 9,818,672
3
2
3
1
5x5 Nurikabe Puzzle ID: 8,376,242
1
4
1
1
23
5x5 Nurikabe Puzzle ID: 7,190,079
113
2
22
5x5 Nurikabe Puzzle ID: 1,503,287
1
2
4
31
5x5 Nurikabe Puzzle ID: 1,826,575
22
21
22
5x5 Nurikabe Puzzle ID: 793,467
1
123
12
5x5 Nurikabe Puzzle ID: 6,705,664
2
32
113
5x5 Nurikabe Puzzle ID: 8,281,160
22
4
13
5x5 Nurikabe Puzzle ID: 1,839,571
2
2
2
22
5x5 Nurikabe Puzzle ID: 6,232,059
21
1
12
4
5x5 Nurikabe Puzzle ID: 1,570,871
1
1
21
14
5x5 Nurikabe Puzzle ID: 4,251,987
1
11
1
5
5x5 Nurikabe Puzzle ID: 2,040,062
1
122
31
5x5 Nurikabe Puzzle ID: 1,935,198
24
11
1
11
5x5 Nurikabe Puzzle ID: 6,733,067
1
1
11
33
5x5 Nurikabe Puzzle ID: 1,105,286
2
4
3
11
5x5 Nurikabe Puzzle ID: 7,598,976
4
221
1
5x5 Nurikabe Puzzle ID: 5,216,463


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