Game guide · ZGHEHE
Kakurasu: instructions and practice
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.
One thing to notice as you play
Tap cells to mark or clear them. Current totals are displayed alongside the target totals. The game area remains available above the explanation.
Your goal
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.
Making your moves
- 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.
Keyboard and screen controls
Begin with the basic rule, then follow the result of your action. Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. Start a new round when you are ready to try again.
An example to follow
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. Start a new round when you are ready to try again.
Notice this detail
Begin with the basic rule, then follow the result of your action. 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.
Read these answers for extra help
For this game, 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. The instructions above use these same rules.
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. No download or player account is required.
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. Keep the current game state in view while applying this 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. Keep the current game state in view while applying this rule.
During a round, 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. Scores here do not represent cash or prizes.
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.
During a round, 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.
When I start, can I clear a square?
Yes. Tap a marked square again, or use Undo. Use the labelled controls for your next action.