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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Solved 4
Median time 53m 47s
Avg steps 204.3
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Solved 4
Median time 136m 05s
Avg steps 364.3
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Solved 4
Median time 11m 41s
Avg steps 110.5
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Median time 18m 26s
Avg steps 63.5
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Solved 4
Median time 23m 29s
Avg steps 140.3
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Solved 4
Median time 18m 37s
Avg steps 71.5
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Median time 30m 36s
Avg steps 201.8
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Solved 4
Median time 28m 00s
Avg steps 89.5
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Solved 3
Median time 10m 33s
Avg steps 68.7
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Median time 12m 17s
Avg steps 114.7
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Solved 3
Median time 25m 30s
Avg steps 63.7
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Solved 3
Median time 17m 31s
Avg steps 66.7
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Solved 3
Median time 43m 53s
Avg steps 260.0
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Median time 19m 35s
Avg steps 138.3
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Solved 3
Median time 13m 40s
Avg steps 292.7
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Solved 3
Median time 27m 01s
Avg steps 160.3
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Solved 3
Median time 14m 50s
Avg steps 49.0
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Solved 3
Median time 31m 10s
Avg steps 67.0
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Median time 15m 36s
Avg steps 56.3
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Median time 14m 38s
Avg steps 107.3
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Median time 29m 20s
Avg steps 155.3
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Solved 3
Median time 31m 04s
Avg steps 162.0
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Solved 3
Median time 12m 03s
Avg steps 64.0
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Median time 12m 19s
Avg steps 59.7
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Solved 3
Median time 44m 35s
Avg steps 440.0
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Solved 3
Median time 18m 31s
Avg steps 97.0
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Median time 78m 40s
Avg steps 232.0
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Median time 20m 29s
Avg steps 243.0
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Solved 3
Median time 46m 03s
Avg steps 160.3
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Solved 2
Median time 7m 49s
Avg steps 61.0
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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.
