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 6
Median time 18m 08s
Avg steps 201.5
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Median time 60m 47s
Avg steps 320.3
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Solved 6
Median time 40m 38s
Avg steps 140.3
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Solved 5
Median time 21m 24s
Avg steps 67.6
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Solved 5
Median time 63m 06s
Avg steps 87.4
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Solved 5
Median time 14m 47s
Avg steps 76.0
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Solved 5
Median time 14m 23s
Avg steps 81.5
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Median time 15m 18s
Avg steps 125.5
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Solved 5
Median time 17m 10s
Avg steps 141.2
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Solved 5
Median time 10m 13s
Avg steps 85.0
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Solved 5
Median time 14m 35s
Avg steps 88.6
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Solved 5
Median time 9m 01s
Avg steps 185.4
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Solved 5
Median time 17m 13s
Avg steps 72.8
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Solved 5
Median time 20m 00s
Avg steps 118.8
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Solved 5
Median time 27m 43s
Avg steps 235.6
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Solved 5
Median time 18m 43s
Avg steps 60.4
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Median time 57m 57s
Avg steps 80.4
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Solved 5
Median time 46m 28s
Avg steps 121.4
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Solved 5
Median time 25m 14s
Avg steps 162.4
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Solved 5
Median time 13m 55s
Avg steps 102.0
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Solved 5
Median time 59m 02s
Avg steps 140.4
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Solved 5
Median time 19m 25s
Avg steps 178.8
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Solved 5
Median time 27m 09s
Avg steps 196.2
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Median time 25m 42s
Avg steps 176.2
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Solved 5
Median time 16m 06s
Avg steps 159.0
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Solved 5
Median time 43m 17s
Avg steps 169.0
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Solved 5
Median time 20m 26s
Avg steps 106.6
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Solved 5
Median time 23m 57s
Avg steps 182.4
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Solved 5
Median time 52m 14s
Avg steps 115.8
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Difficulty Collecting data
Solved 5
Median time 16m 18s
Avg steps 113.0
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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.
