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 27m 09s
Avg steps 196.2
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Median time 25m 42s
Avg steps 176.2
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Median time 16m 06s
Avg steps 159.0
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Median time 43m 17s
Avg steps 169.0
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Median time 20m 26s
Avg steps 106.6
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Median time 23m 57s
Avg steps 182.4
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Avg steps 115.8
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Median time 16m 18s
Avg steps 113.0
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Avg steps 164.4
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Median time 27m 36s
Avg steps 378.0
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Median time 32m 39s
Avg steps 186.0
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Median time 21m 40s
Avg steps 101.2
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Median time 18m 00s
Avg steps 99.2
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Median time 19m 03s
Avg steps 98.6
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Median time 23m 35s
Avg steps 80.6
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Median time 61m 21s
Avg steps 188.4
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Median time 41m 07s
Avg steps 144.4
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Median time 34m 12s
Avg steps 358.2
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Median time 29m 04s
Avg steps 138.4
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Median time 43m 02s
Avg steps 173.5
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Median time 10m 26s
Avg steps 57.3
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Median time 83m 49s
Avg steps 77.3
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Median time 11m 18s
Avg steps 99.8
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Median time 10m 35s
Avg steps 93.5
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Median time 17m 54s
Avg steps 136.0
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Median time 16m 14s
Avg steps 211.3
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Median time 24m 27s
Avg steps 76.5
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Median time 19m 40s
Avg steps 265.8
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Median time 40m 38s
Avg steps 90.5
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Median time 19m 47s
Avg steps 138.0
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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.
