Game guide · YDWEIXIU
An introduction to playing Kakurasu
Check the rule below as you play. Mark cells so every weighted row total and column total matches its clue. Try the rule on the board, then read the next instruction. 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.
A focus for your next 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. The game area remains available above the explanation.
Your goal
Keep the goal in view while choosing a move. Mark cells so every weighted row total and column total matches its clue. The game area remains available above the explanation.
The steps to 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.
Controls
Keep the goal in view while choosing a move. 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.
An example to follow
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.
An important reminder
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.
A few questions answered
On this page, what is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. Scores here do not represent cash or prizes.
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 game is played locally in your browser.
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.
Which mistake should I avoid?
The value is the position in the row or column, not a uniform count of marked squares. You can start a new round from the game controls.
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. The game is played locally in your browser.
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.
For this game, what does a marked square contribute?
Its column number to the row total, and its row number to the column total. The worked example offers another way to follow the rule.
Why can row and column contributions differ?
A square in row 2, column 5 contributes 5 to its row and 2 to its column. Keep the current game state in view while applying this rule.
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. Use the labelled controls for your next action.
For this game, can I clear a square?
Yes. Tap a marked square again, or use Undo. No download or player account is required.