Game guide · MIBDF
Find your footing in 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. 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.
Practice beyond the first move
Begin with the basic rule, then follow the result of your action. Tap cells to mark or clear them. Current totals are displayed alongside the target totals. The game area remains available above the explanation.
Understand the aim
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.
Follow these playing steps
- 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. The game area remains available above the explanation.
Put the rules into context
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. The game area remains available above the explanation.
Avoid this misunderstanding
The example and rules describe the same game you can play above. The value is the position in the row or column, not a uniform count of marked squares. Keep the goal in mind before your next move.
Clarifying the way this game works
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.
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. The worked example offers another way to follow the rule.
During a round, 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. Use the labelled controls for your next action.
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. You can start a new round from the game controls.
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 worked example offers another way to follow the rule.
On this page, how many people can play here?
Solo. This is local browser play, not internet matchmaking. You can start a new round from the game controls.
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.
When I start, 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.
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. No download or player account is required.
