Game guide · GZZXY
Learn your way around Kakurasu
The board gives you the information needed for the next action. 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. 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.
One thing to notice as you play
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
Use the controls beside the game rather than guessing the rules. Mark cells so every weighted row total and column total matches its clue. Try the rule on the board, then read the next instruction.
The steps to 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.
How to use the controls
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. The game area remains available above the explanation.
An example to follow
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 this in mind
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. A new round resets the current game.
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. You can start a new round from the game controls.
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.
When I start, which mistake should I avoid?
The value is the position in the row or column, not a uniform count of marked squares. The worked example offers another way to follow the rule.
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 worked example offers another way to follow the rule.
How many people can play here?
Solo. This is local browser play, not internet matchmaking. You can start a new round from the game controls.
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.
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 controls work with mouse or touch.
On this page, does each generated puzzle have one solution?
The generator searches the row-mask combinations and only accepts a puzzle with exactly one solution. Keep the current game state in view while applying this rule.
Can I clear a square?
Yes. Tap a marked square again, or use Undo. Scores here do not represent cash or prizes.