Game guide · VISITPHONE
Kakurasu: rules and examples
A careful first move helps you understand the round. Mark cells so every weighted row total and column total matches its clue. Try the rule on the board, then read the next instruction. 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.
A small practice goal
Begin with the basic rule, then follow the result of your action. Tap cells to mark or clear them. Current totals are displayed alongside the target totals. Keep the goal in mind before your next move.
The goal to keep in mind
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.
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.
Your inputs
A careful first move helps you understand the round. 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.
Learn from a sample situation
A careful first move helps you understand the round. 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.
Watch out for this
Use the controls beside the game rather than guessing the rules. The value is the position in the row or column, not a uniform count of marked squares.
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. The instructions above use these same rules.
During a round, how do the controls work?
Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. No download or player account is required.
For this game, 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.
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. You can start a new round from the game controls.
When I start, 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.
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. The game is played locally in your browser.
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. No download or player account is required.
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 instructions above use these same rules.
For this game, can I clear a square?
Yes. Tap a marked square again, or use Undo. A new round resets the current game.