Daily Kakurasu
Rate itBlacken cells so each row and column adds up to its clue, counting each cell by its position.
on puzzle-kakurasu.com
The Special Daily Kakurasu on puzzle-kakurasu.com is one Kakurasu grid a day, the same for every player. You blacken cells so that the position values of the black cells in each row and column add up to the clue at the end of that line. The daily grid is bigger than the site's regular sizes, which stop at 9x9.
About Daily Kakurasu
Kakurasu is a shading puzzle with a bit of addition. The columns are numbered 1, 2, 3 and so on from the left, and the rows from the top. A black cell in a row is worth its column number, and a black cell in a column is worth its row number. Each row has a target on the right and each column a target at the bottom, and you blacken cells until every line adds up exactly.
Puzzle-kakurasu.com has Easy and Hard grids from 4x4 to 9x9, plus Special Daily, Weekly and Monthly puzzles. The daily is one dated grid for everyone; the one for 2 October 2026 was 10 by 10. A click blackens a cell and a right-click marks it with an X. The site shows ads; patrons can turn them off and go back through the last 30 daily puzzles.
Kakurasu sits between number puzzles and shading puzzles, so it suits sudoku players who want something new and nonogram players who like counting along lines. A 10x10 daily usually takes ten to thirty minutes, and big clues are a good way in: a row that needs 50 of a possible 55 leaves only cell 5 white.
The page has a timer, undo and redo, a zoom, and settings such as night mode, error highlighting and a left-handed layout. Fast solvers appear in the site's Hall of Fame. The site and its puzzles can be switched to more than a dozen languages, and the same puzzles are in the PuzzleGym app for iOS and Android.
How to play Daily Kakurasu
- Open puzzle-kakurasu.com and choose Special Daily Kakurasu.
- Note the values: in a row, a black cell is worth its column number; in a column, it is worth its row number.
- Click a cell to make it black, and right-click to mark it with an X when it must stay white.
- Make the black cells in each row add up to the number on the right, and in each column to the number at the bottom.
- When every line matches its clue, press Done (or Enter) to check the grid.
Screenshots
Tips
- Work out each line's maximum: on a 10x10 grid every row adds up to 55 if fully black, so a clue near 55 tells you which few cells stay white.
- Small clues have few ways to be made: a clue of 1 or 2 is a single cell, and a clue of 3 is either cell 3 or cells 1 and 2.
- A clue larger than the sum of all remaining unknown cells except one forces that cell to be black.
- Write out the possible sets for a line and keep only the ones that agree with the columns crossing it.
Questions
How are the cells counted in Kakurasu?
A black cell adds its column number to its row's total and its row number to its column's total. The first cell in a line is worth 1, the second 2, and so on.
When does the daily Kakurasu change?
At midnight UTC, following the date on the site's clock, which runs on UTC.
Is it free?
Yes, with ads. Patrons can turn off the ads and go back through the last 30 daily puzzles.
Ratings and reviews
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Games like Daily Kakurasu
Daily Kakuro
The same family's daily Kakuro, another grid built on sums along rows and columns
Nonograms
The same family's daily nonogram, where line clues also decide which cells are black
Daily Thermometers
A sister daily filled to match row and column counts
Daily Futoshiki
A daily number grid from the same family
Daily Tents
A sister daily where row and column counts settle the grid
Daily Sudoku
The same family's daily 9x9 sudoku
Mini Sudoku
LinkedIn's short daily number grid, for a quicker number puzzle
Kakurasu (PuzzleMadness)
Shade cells so each row and column adds up to its total, counting each cell by its position.