Game guide · LYGXJD
An introduction to playing Kakurasu
The example and rules describe the same game you can play above. Mark cells so every weighted row total and column total matches its clue. The game area remains available above the explanation. A 5×5 grid shows target sums at the right and bottom. Keep the goal in mind before your next move.
Generated 5×5 puzzles with an exact row-mask search for uniqueness before publication to the board. No calibrated difficulty labels.
One thing to notice as you play
Take a moment to check the current turn. Tap cells to mark or clear them. Current totals are displayed alongside the target totals. The game area remains available above the explanation.
What the game asks you to do
The board gives you the information needed for the next action. Mark cells so every weighted row total and column total matches its clue. Start a new round when you are ready to try again.
Making your moves
- A 5×5 grid shows target sums at the right and bottom.
- A marked cell contributes its column number to its row sum, and its row number to its column sum.
- Tap cells to mark or clear them. Current totals are displayed alongside the target totals.
- Match all rows and columns to complete the puzzle. Each generated puzzle is checked to have one solution.
How your actions work
The example and rules describe the same game you can play above. Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. Start a new round when you are ready to try again.
Work through an example
Begin with the basic rule, then follow the result of your action. Marking columns 2 and 5 in the same row gives that row a total of 7. A mark in row 3 contributes 3 to its column. Try the rule on the board, then read the next instruction.
One detail worth checking
The example and rules describe the same game you can play above. The value is the position in the row or column, not a uniform count of marked squares. Start a new round when you are ready to try again.
Answers about the rules and controls
When I start, what is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. No download or player account is required.
When I start, how do the controls work?
Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. Scores here do not represent cash or prizes.
When I start, can you show an example?
Marking columns 2 and 5 in the same row gives that row a total of 7. A mark in row 3 contributes 3 to its column. The game is played locally in your browser.
When I start, which mistake should I avoid?
The value is the position in the row or column, not a uniform count of marked squares. You can start a new round from the game controls.
For this game, what rules and limits are used here?
Generated 5×5 puzzles with an exact row-mask search for uniqueness before publication to the board. No calibrated difficulty labels. The controls work with mouse or touch.
How many people can play here?
Solo. This is local browser play, not internet matchmaking. The worked example offers another way to follow the rule.
What does a marked square contribute?
Its column number to the row total, and its row number to the column total. The game is played locally in your browser.
During a round, why can row and column contributions differ?
A square in row 2, column 5 contributes 5 to its row and 2 to its column. The controls work with mouse or touch.
On this page, does each generated puzzle have one solution?
The generator searches the row-mask combinations and only accepts a puzzle with exactly one solution. The worked example offers another way to follow the rule.
During a round, can I clear a square?
Yes. Tap a marked square again, or use Undo. The instructions above use these same rules.
