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CalcuDokuDaily CalcuDoku

Can you complete the grid and satisfy the mathematical cage clues?

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All Puzzles


Today's Puzzles

4 x 4 - Easy - Medium - Hard
5 x 5 - Easy - Medium - Hard
6 x 6 - Easy - Medium - Hard
7 x 7 - Easy - Medium - Hard
8 x 8 - Easy - Medium - Hard
9 x 9 - Weekly Special

All daily items change at midnight GMT.


  • Can you complete the grid such that every row and column contains every number exactly once, whilst at the same time making sure the cage clues are satisfied? Very similar to Killer Sudoku except it's addition, subtraction, multiplication and division.

  • A cage clue tells you answer after the cage values have undergone the specified mathematical operation.

  • Read the help/walkthrough page on CalcuDoku for the rules, a more detailed explanation, and a walkthrough.

  • The Hard puzzles can be sometimes require some advanced Sudoku techniques.
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