Game guide · 05MC
Understand the basics of Kakurasu
Use the controls beside the game rather than guessing the rules. Mark cells so every weighted row total and column total matches its clue. Keep the goal in mind before your next move. A 5×5 grid shows target sums at the right and bottom.
Generated 5×5 puzzles with an exact row-mask search for uniqueness before publication to the board. No calibrated difficulty labels.
Bring this focus to a 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 the game asks you to do
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.
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
Take a moment to check the current turn. 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.
See how the rules apply
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 the goal in mind before your next move.
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.
More answers before you play
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.
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. No download or player account is required.
When I start, 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.
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.
When I start, 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. Scores here do not represent cash or prizes.
On this page, 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.
On this page, what does a marked square contribute?
Its column number to the row total, and its row number to the column total. The controls work with mouse or touch.
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. Scores here do not represent cash or prizes.
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. The controls work with mouse or touch.
On this page, can I clear a square?
Yes. Tap a marked square again, or use Undo. The controls work with mouse or touch.
