Game guide · JK-TJ
Your guide to Kakurasu
Begin with the basic rule, then follow the result of your action. 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.
Try a more deliberate round
Keep the goal in view while choosing a move. 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 objective of a round
A careful first move helps you understand the round. Mark cells so every weighted row total and column total matches its clue. Keep the goal in mind before your next move.
How to proceed
- 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.
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. Try the rule on the board, then read the next instruction.
See the idea in action
Keep the goal in view while choosing a move. 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. Try the rule on the board, then read the next instruction.
A mistake to avoid
Use the controls beside the game rather than guessing the rules. 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.
Questions about this game
During a round, 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.
During a round, 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.
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. A new round resets the current game.
On this page, which mistake should I avoid?
The value is the position in the row or column, not a uniform count of marked squares. No download or player account is required.
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. Scores here do not represent cash or prizes.
How many people can play here?
Solo. This is local browser play, not internet matchmaking. The instructions above use these same rules.
What does a marked square contribute?
Its column number to the row total, and its row number to the column total. You can start a new round from the game controls.
For this game, why can row and column contributions differ?
A square in row 2, column 5 contributes 5 to its row and 2 to its column. A new round resets the current game.
For this game, does each generated puzzle have one solution?
The generator searches the row-mask combinations and only accepts a puzzle with exactly one solution. The worked example offers another way to follow the rule.
For this game, 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.
