Game guide · JIUDINGST
Find your footing in Kakurasu
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
The board gives you the information needed for the next action. Tap cells to mark or clear them. Current totals are displayed alongside the target totals. Try the rule on the board, then read the next instruction.
The challenge in front of you
Begin with the basic rule, then follow the result of your 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.
From the start of a round
- 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.
How your actions work
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.
See the idea in action
The example and rules describe the same game you can play above. 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.
Check this before moving on
Check the rule below as you play. The value is the position in the row or column, not a uniform count of marked squares. Start a new round when you are ready to try again.
More answers before you play
What is the aim of Kakurasu?
Mark cells so every weighted row total and column total matches its clue. You can start a new round from the game controls.
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. The worked example offers another way to follow the 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. 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. The game is played locally in your browser.
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. Keep the current game state in view while applying this rule.
How many people can play here?
Solo. This is local browser play, not internet matchmaking. A new round resets the current game.
What does a marked square contribute?
Its column number to the row total, and its row number to the column total. A new round resets the current game.
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. You can start a new round from the game controls.
During a round, does each generated puzzle have one solution?
The generator searches the row-mask combinations and only accepts a puzzle with exactly one solution. You can start a new round from the game controls.
When I start, can I clear a square?
Yes. Tap a marked square again, or use Undo. No download or player account is required.
