Game guide · AHOPENG
Rules, controls and help for Kakurasu
The example and rules describe the same game you can play above. 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. Try the rule on the board, then read the next instruction.
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. Start a new round when you are ready to try again.
Aim for this result
Mark cells so every weighted row total and column total matches its clue. Keep the goal in mind before your next move.
Start here and follow along
- 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.
The controls to know
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.
Follow the 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 area remains available above the explanation.
Keep this in mind
Read the position before choosing your next action. 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.
Answers about the rules and controls
On this page, what is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. The worked example offers another way to follow the rule.
For this game, 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.
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. Scores here do not represent cash or prizes.
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.
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. Keep the current game state in view while applying this rule.
When I start, how many people can play here?
Solo. This is local browser play, not internet matchmaking. Scores here do not represent cash or prizes.
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 game is played locally in your browser.
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. The controls work with mouse or touch.
When I start, 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. The controls work with mouse or touch.