Choose a variant and difficulty for arrow sudoku
Choose your setup, then press play to start Arrow Sudoku.
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Choose your setup, then press play to start Arrow Sudoku.
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Read the Academy guide if you want a slower introduction to this variant.
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Arrow Sudoku adds sum relationships between circled cells and arrow paths. The value in the circle must equal the total of the digits connected to it.
Avoid looking only at the sum. A valid total still needs to fit the rows, columns and boxes around it.
The arrow rule introduces another layer of deduction, but it also provides extra information that can help guide the solve.
Yes. Notes are useful for tracking possible combinations and comparing different ways an arrow total can be achieved.
Arrow clues are built around totals, so understanding which digit combinations can produce a given sum is often helpful.