Game guide · SZWSXS
Kakurasu: learn through an example
Use the controls beside the game rather than guessing the rules. Mark cells so every weighted row total and column total matches its clue. 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.
Bring this focus to a 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. Keep the goal in mind before your next move.
Understand the aim
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.
A walkthrough of the rules
- 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
Check the rule below as you play. 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.
Put the rules into context
The example and rules describe the same game you can play above. 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. Keep the goal in mind before your next move.
Pay attention to this rule
Check the rule below as you play. 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.
Helpful answers for players
When I start, 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.
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. The instructions above use these same rules.
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 instructions above use these same rules.
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 game is played locally in your browser.
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. Scores here do not represent cash or prizes.
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. No download or player account is required.
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. No download or player account is required.