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...
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Solved 5
Median time 29m 19s
Avg steps 164.4
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Solved 5
Median time 27m 36s
Avg steps 378.0
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Solved 5
Median time 32m 39s
Avg steps 186.0
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Difficulty Collecting data
Solved 5
Median time 21m 40s
Avg steps 101.2
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Difficulty Collecting data
Solved 5
Median time 18m 00s
Avg steps 99.2
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Solved 5
Median time 19m 03s
Avg steps 98.6
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Solved 5
Median time 23m 35s
Avg steps 80.6
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Median time 61m 21s
Avg steps 188.4
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Solved 5
Median time 41m 07s
Avg steps 144.4
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Solved 5
Median time 34m 12s
Avg steps 358.2
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Solved 5
Median time 29m 04s
Avg steps 138.4
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Difficulty Collecting data
Solved 4
Median time 43m 02s
Avg steps 173.5
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Solved 4
Median time 10m 26s
Avg steps 57.3
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Solved 4
Median time 83m 49s
Avg steps 77.3
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Solved 4
Median time 11m 18s
Avg steps 99.8
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Difficulty Collecting data
Solved 4
Median time 10m 35s
Avg steps 93.5
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Solved 4
Median time 17m 54s
Avg steps 136.0
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Solved 4
Median time 16m 14s
Avg steps 211.3
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Solved 4
Median time 24m 27s
Avg steps 76.5
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Solved 4
Median time 19m 40s
Avg steps 265.8
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Solved 4
Median time 40m 38s
Avg steps 90.5
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Solved 4
Median time 19m 47s
Avg steps 138.0
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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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Solved 4
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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Solved 4
Median time 30m 36s
Avg steps 201.8
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Difficulty Collecting data
Solved 4
Median time 28m 00s
Avg steps 89.5
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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.
