Game guide · XAXJGG
An introduction to playing Kakurasu
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. 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.
An idea for your next attempt
Check the rule below as you play. Tap cells to mark or clear them. Current totals are displayed alongside the target totals. Try the rule on the board, then read the next instruction.
Your objective
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.
Work through the instructions
- 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 your actions work
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.
See how the rules apply
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. The game area remains available above the explanation.
One detail worth checking
A careful first move helps you understand the round. 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.
Further help with the game
During a round, what is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. The controls work with mouse or touch.
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. The instructions above use these same rules.
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. Scores here do not represent cash or prizes.
On this page, which mistake should I avoid?
The value is the position in the row or column, not a uniform count of marked squares. Scores here do not represent cash or prizes.
During a round, 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. The controls work with mouse or touch.
During a round, how many people can play here?
Solo. This is local browser play, not internet matchmaking. The instructions above use these same rules.
During a round, 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.
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. You can start a new round from the game controls.
Can I clear a square?
Yes. Tap a marked square again, or use Undo. Keep the current game state in view while applying this rule.
