Game guide · KJBANJIA
An introduction to playing Kakurasu
Read the position before choosing your next action. 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.
Give this approach a try
Check the rule below as you play. Tap cells to mark or clear them. Current totals are displayed alongside the target totals. The game area remains available above the explanation.
What you need to achieve
A careful first move helps you understand the round. Mark cells so every weighted row total and column total matches its clue. Try the rule on the board, then read the next instruction.
The playing sequence
- 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
Begin with the basic rule, then follow the result of your 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.
Put the rules into context
Begin with the basic rule, then follow the result of your action. 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.
Avoid this misunderstanding
The board gives you the information needed for the next action. The value is the position in the row or column, not a uniform count of marked squares. The game area remains available above the explanation.
Answers about the rules and controls
When I start, what is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. Use the labelled controls for your next action.
On this page, how do the controls work?
Tap a square to mark or clear it. Undo restores the last state. New puzzle generates another checked board. Keep the current game state in view while applying this rule.
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 worked example offers another way to follow the rule.
During a round, which mistake should I avoid?
The value is the position in the row or column, not a uniform count of marked squares. A new round resets the current game.
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. Use the labelled controls for your next action.
During a round, how many people can play here?
Solo. This is local browser play, not internet matchmaking. No download or player account is required.
For this game, 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.
On this page, 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 game is played locally in your browser.
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. Use the labelled controls for your next action.
Can I clear a square?
Yes. Tap a marked square again, or use Undo. No download or player account is required.
