Game guide · NEW61
Follow the steps for Kakurasu
A careful first move helps you understand the round. Mark cells so every weighted row total and column total matches its clue. Keep the goal in mind before your next move. 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.
A focus for your next round
The example and rules describe the same game you can play above. 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 purpose of your moves
The board gives you the information needed for the next action. Mark cells so every weighted row total and column total matches its clue. The game area remains available above the explanation.
Step by step
- 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.
Getting comfortable with the controls
Keep the goal in view while choosing a move. Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. Try the rule on the board, then read the next instruction.
One way to understand the rules
Use the controls beside the game rather than guessing the rules. 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.
Watch out for this
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. The game area remains available above the explanation.
More answers before you play
For this game, what is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. The instructions above use these same rules.
On this page, how do the controls work?
Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. Keep the current game state in view while applying this rule.
On this page, 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. Scores here do not represent cash or prizes.
For this game, which mistake should I avoid?
The value is the position in the row or column, not a uniform count of marked squares. The instructions above use these same rules.
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. Keep the current game state in view while applying this rule.
How many people can play here?
Solo. This is local browser play, not internet matchmaking. The instructions above use these same rules.
On this page, what does a marked square contribute?
Its column number to the row total, and its row number to the column total. The instructions above use these same rules.
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 worked example offers another way to follow the rule.
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. Scores here do not represent cash or prizes.
When I start, can I clear a square?
Yes. Tap a marked square again, or use Undo. The controls work with mouse or touch.