Game guide · YOUDIYOU
Read before your next round of Kakurasu
Keep the goal in view while choosing a move. 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. 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.
Practice with a purpose
Take a moment to check the current turn. Tap cells to mark or clear them. Current totals are displayed alongside the target totals.
Aim for this result
The board gives you the information needed for the next action. Mark cells so every weighted row total and column total matches its clue. Keep the goal in mind before your next move.
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.
Keyboard and screen controls
Check the rule below as you play. 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.
Work through an example
Use the controls beside the game rather than guessing the rules. 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
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.
Questions about this game
On this page, 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.
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 controls work with mouse or touch.
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. The instructions above use these same rules.
For this 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. 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. The instructions above use these same rules.
On this page, 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.
On this page, why can row and column contributions differ?
A square in row 2, column 5 contributes 5 to its row and 2 to its column. Use the labelled controls for your next action.
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.
For this game, can I clear a square?
Yes. Tap a marked square again, or use Undo. The controls work with mouse or touch.
