Game guide · CQXINXING
How to play Kakurasu
Check the rule below as you play. 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.
Generated 5×5 puzzles with an exact row-mask search for uniqueness before publication to the board. No calibrated difficulty labels.
Build familiarity through play
Read the position before choosing your next action. Tap cells to mark or clear them. Current totals are displayed alongside the target totals. The game area remains available above the explanation.
The purpose of your moves
Keep the goal in view while choosing a move. Mark cells so every weighted row total and column total matches its clue.
Follow these playing steps
- 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.
Input guidance
Read the position before choosing your next action. Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. The game area remains available above the explanation.
One way to understand the rules
The board gives you the information needed for the next 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. Start a new round when you are ready to try again.
Avoid this misunderstanding
Check the rule below as you play. The value is the position in the row or column, not a uniform count of marked squares.
If you are unsure
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.
For this game, how do the controls work?
Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. A new round resets the current game.
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. The controls work with mouse or touch.
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. You can start a new round from the game controls.
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. Scores here do not represent cash or prizes.
On this page, 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.
On this page, what does a marked square contribute?
Its column number to the row total, and its row number to the column total. A new round resets the current game.
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 game is played locally in your browser.
For this game, does each generated puzzle have one solution?
The generator searches the row-mask combinations and only accepts a puzzle with exactly one solution. The controls work with mouse or touch.
For this game, can I clear a square?
Yes. Tap a marked square again, or use Undo. The worked example offers another way to follow the rule.
