Game guide · SZXIEZILOU
The Kakurasu playbook
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. Start a new round when you are ready to try again. A 5×5 grid shows target sums at the right and bottom. Try the rule on the board, then read the next instruction.
Generated 5×5 puzzles with an exact row-mask search for uniqueness before publication to the board. No calibrated difficulty labels.
Take a closer look while playing
Tap cells to mark or clear them. Current totals are displayed alongside the target totals. Start a new round when you are ready to try again.
The goal to keep in mind
Begin with the basic rule, then follow the result of your 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 to use the controls
The board gives you the information needed for the next action. Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. Keep the goal in mind before your next move.
See how the rules apply
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.
A mistake to avoid
The board gives you the information needed for the next action. The value is the position in the row or column, not a uniform count of marked squares. Keep the goal in mind before your next move.
Common questions
On this page, what is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. Scores here do not represent cash or prizes.
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. The controls work with mouse or touch.
During a round, 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. A new round resets the current game.
During a round, which mistake should I avoid?
The value is the position in the row or column, not a uniform count of marked squares. The controls work with mouse or touch.
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. Keep the current game state in view while applying this rule.
When I start, what does a marked square contribute?
Its column number to the row total, and its row number to the column total. You can start a new round from the game controls.
When I start, 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.
When I start, does each generated puzzle have one solution?
The generator searches the row-mask combinations and only accepts a puzzle with exactly one solution. Use the labelled controls for your next action.
Can I clear a square?
Yes. Tap a marked square again, or use Undo. You can start a new round from the game controls.