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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Difficulty Collecting data
Solved 3
Median time 10m 33s
Avg steps 68.7
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Solved 3
Median time 12m 17s
Avg steps 114.7
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Difficulty Collecting data
Solved 3
Median time 25m 30s
Avg steps 63.7
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Difficulty Collecting data
Solved 3
Median time 17m 31s
Avg steps 66.7
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Difficulty Collecting data
Solved 3
Median time 43m 53s
Avg steps 260.0
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Difficulty Collecting data
Solved 3
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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Difficulty Collecting data
Solved 3
Median time 14m 50s
Avg steps 49.0
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Difficulty Collecting data
Solved 3
Median time 31m 10s
Avg steps 67.0
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Difficulty Collecting data
Solved 3
Median time 15m 36s
Avg steps 56.3
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Difficulty Collecting data
Solved 3
Median time 14m 38s
Avg steps 107.3
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Difficulty Collecting data
Solved 3
Median time 29m 20s
Avg steps 155.3
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Difficulty Collecting data
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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Solved 3
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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Median time 18m 31s
Avg steps 97.0
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Difficulty Collecting data
Solved 3
Median time 78m 40s
Avg steps 232.0
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Difficulty Collecting data
Solved 3
Median time 20m 29s
Avg steps 243.0
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Difficulty Collecting data
Solved 3
Median time 46m 03s
Avg steps 160.3
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Difficulty Collecting data
Solved 2
Median time 7m 49s
Avg steps 61.0
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Difficulty Collecting data
Solved 2
Median time 10m 44s
Avg steps 74.5
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Median time 21m 14s
Avg steps 82.0
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Solved 2
Median time 89m 31s
Avg steps 65.5
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Difficulty Collecting data
Solved 2
Median time 12m 14s
Avg steps 83.0
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Solved 2
Median time 13m 16s
Avg steps 289.5
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Median time 186m 39s
Avg steps 238.0
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Median time 35m 56s
Avg steps 284.5
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Difficulty Collecting data
Solved 2
Median time 14m 22s
Avg steps 66.0
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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.
