Game guide · GODIEA
Rules, controls and help for 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.
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
Tap cells to mark or clear them. Current totals are displayed alongside the target totals. Start a new round when you are ready to try again.
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. Start a new round when you are ready to try again.
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.
Input guidance
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
A careful first move helps you understand the round. 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 this in mind
Begin with the basic rule, then follow the result of your action. The value is the position in the row or column, not a uniform count of marked squares.
Helpful answers for players
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.
When I start, 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.
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. Keep the current game state in view while applying this rule.
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.
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 controls work with mouse or touch.
How many people can play here?
Solo. This is local browser play, not internet matchmaking. A new round resets the current game.
On this page, 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.
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. You can start a new round from the game controls.
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.
During a round, can I clear a square?
Yes. Tap a marked square again, or use Undo. You can start a new round from the game controls.