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BrainBashers Daily Kakurasu

Solve a random Easy, Medium, Hard Japanese-type logic puzzle chosen from today's collection.
Note: If the puzzle doesn't look as it should try using 'Compatibility Mode'.

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Kakurasu © Otto Janko

Help Show Answer New Kakurasu
Restart Kakurasu Print Check

Show mistakes when checking


  • Objective / Rules
    - The clues are on the right and across the bottom and are the totals for the respective rows and columns.
    - The numbers across the top and on the left are the values for each of the squares.
    - The first square in a row is worth 1, the second 2, the third 3, and so on.
    - The first square in a column is worth 1, the second 2, the third 3, and so on.
    - Marking a square in Blue will add that square's value to both the row's total and the column's total.
    - E.g. if the second and fourth square in a row were Blue, the row's total would be 2 + 4 = 6.
    - Find all of the Blue squares such that all of the totals match the clues.
    - You can mark squares in White for those that cannot be Blue.
    - Numbers in brackets indicate the row/column totals so far (unless the total is zero).

  • Help
    Read the help/walkthrough page on Kakurasu puzzles for a more detailed explanation and a walkthrough.

  • Mouse Usage
    Left-click = Blank >> Blue >> White >> Blank.
    Right-click = Blank >> White >> Blue >> Blank.

  • Checking
    If you click 'Check' the system will check for incorrect squares. If 'Show mistakes when checking' is checked they will be marked in red.

  • Uniqueness
    Each puzzle has exactly one solution, which can be found using logic alone and no guesses are ever required. If you think you've found another solution, then please double check the rules. If you still think you've found another solution, then please email us and we'll try to help.

  • Thanks
    Many thanks are extended to Otto Janko, who runs www.janko.at, for generating the Kakurasu puzzles on BrainBashers. You can play many more wonderful puzzles on his site.

  • JavaScript
    This game requires JavaScript to be enabled, with the ability to change the default right click action.



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