Game guide · JIEHUIDB
Kakurasu: rules and examples
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.
Try a more deliberate round
A careful first move helps you understand the round. Tap cells to mark or clear them. Current totals are displayed alongside the target totals. Keep the goal in mind before your next move.
What you are aiming for
A careful first move helps you understand the round. Mark cells so every weighted row total and column total matches its clue. The game area remains available above the explanation.
The order of play
- 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.
Using the playing area
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. Try the rule on the board, then read the next instruction.
Work through an example
Take a moment to check the current turn. 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 game area remains available above the explanation.
Notice this detail
Take a moment to check the current turn. 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.
More answers before you play
What is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. The game is played locally in your browser.
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. Use the labelled controls for your next action.
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. You can start a new round from the game controls.
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. A new round resets the current 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. You can start a new round from the game controls.
When I start, 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. Keep the current game state in view while applying this rule.
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.
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. A new round resets the current game.
When I start, can I clear a square?
Yes. Tap a marked square again, or use Undo. A new round resets the current game.