Windoku
Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.Each of the four...
Puzzles 355
Solved 3,790
Players 1,147
Median time 16m 30s
Avg steps 128.2
Difficulty Easy
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Median time 19m 51s
Avg steps 132.9
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Median time 14m 11s
Avg steps 156.2
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Median time 13m 00s
Avg steps 117.9
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Solved 13
Median time 10m 47s
Avg steps 73.7
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Solved 13
Median time 9m 28s
Avg steps 68.0
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Solved 12
Median time 33m 55s
Avg steps 205.3
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Solved 12
Median time 25m 53s
Avg steps 190.5
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Solved 12
Median time 31m 45s
Avg steps 135.3
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Difficulty Easy
Solved 12
Median time 14m 26s
Avg steps 123.3
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Difficulty Easy
Solved 12
Median time 17m 33s
Avg steps 102.8
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Difficulty Easy
Solved 12
Median time 14m 20s
Avg steps 106.6
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Difficulty Easy
Solved 12
Median time 9m 22s
Avg steps 79.7
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Difficulty Easy
Solved 12
Median time 9m 08s
Avg steps 77.9
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Difficulty Easy
Solved 12
Median time 7m 51s
Avg steps 77.5
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Difficulty Easy
Solved 11
Median time 28m 07s
Avg steps 307.3
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Difficulty Easy
Solved 11
Median time 33m 07s
Avg steps 166.5
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Difficulty Easy
Solved 11
Median time 44m 39s
Avg steps 135.5
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Difficulty Easy
Solved 11
Median time 31m 09s
Avg steps 155.3
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Difficulty Easy
Solved 11
Median time 24m 06s
Avg steps 176.2
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Difficulty Easy
Solved 11
Median time 27m 16s
Avg steps 151.7
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Difficulty Easy
Solved 11
Median time 33m 02s
Avg steps 114.6
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Difficulty Easy
Solved 11
Median time 12m 47s
Avg steps 137.0
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Difficulty Easy
Solved 11
Median time 18m 43s
Avg steps 129.5
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Difficulty Easy
Solved 11
Median time 10m 35s
Avg steps 91.1
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Difficulty Easy
Solved 11
Median time 8m 36s
Avg steps 83.4
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Difficulty Easy
Solved 11
Median time 11m 27s
Avg steps 76.0
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Solved 10
Median time 32m 44s
Avg steps 194.7
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Difficulty Easy
Solved 10
Median time 19m 54s
Avg steps 165.3
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Difficulty Easy
Solved 10
Median time 22m 04s
Avg steps 116.0
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Difficulty Easy
Solved 10
Median time 18m 58s
Avg steps 115.7
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Rules summary
Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions. Each of the four shaded 3x3 boxes contains each digit from 1 to 9.
Full rules
FAQ
How is Windoku different from classic Sudoku?
It keeps the classic row, column, and box constraints, then adds the extra rule for this variant.
Is this Sudoku variant good for beginners?
Start with recommended puzzles or puzzles with many solves; they are usually easier to approach.
How is difficulty judged?
Difficulty uses real player time, step count, and solve samples; when data is limited, the page shows that stats are still collecting.