Game guide · SHOUJIKON
Kakurasu: learn through an example
Keep the goal in view while choosing a move. 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.
Generated 5×5 puzzles with an exact row-mask search for uniqueness before publication to the board. No calibrated difficulty labels.
Take a closer look while playing
Check the rule below as you play. Tap cells to mark or clear them. Current totals are displayed alongside the target totals. Keep the goal in mind before your next move.
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.
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
Read the position before choosing your next action. Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board.
Learn from a sample situation
Take a moment to check the current turn. 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.
Notice this detail
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.
Game-specific help
When I start, what is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. The game is played locally in your browser.
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. Scores here do not represent cash or prizes.
For this game, 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. The game is played locally in your browser.
On this page, 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 instructions above use these same rules.
On this page, how many people can play here?
Solo. This is local browser play, not internet matchmaking. Scores here do not represent cash or prizes.
When I start, 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.
During a round, why can row and column contributions differ?
A square in row 2, column 5 contributes 5 to its row and 2 to its column. No download or player account is required.
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.
Can I clear a square?
Yes. Tap a marked square again, or use Undo. You can start a new round from the game controls.
