Game guide · JYDEJI
Know the goal in Kakurasu
Take a moment to check the current turn. 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.
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. Start a new round when you are ready to try again.
The goal to keep in mind
Check the rule below as you play. Mark cells so every weighted row total and column total matches its clue. Start a new round when you are ready to try again.
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.
Making selections and moves
Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board.
An example before you play
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 the goal in mind before your next move.
Check this before moving on
Check the rule below as you play. The value is the position in the row or column, not a uniform count of marked squares. Try the rule on the board, then read the next instruction.
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. 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. No download or player account is required.
During a round, 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 game is played locally in your browser.
Which mistake should I avoid?
The value is the position in the row or column, not a uniform count of marked squares. Use the labelled controls for your next action.
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. Use the labelled controls for your next action.
When I start, how many people can play here?
Solo. This is local browser play, not internet matchmaking. The controls work with mouse or touch.
During a round, 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.
When I start, 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 worked example offers another way to follow the rule.
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. Use the labelled controls for your next action.
On this page, 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.