You can play this game inside this web page, or you can click here to play the game as a standalone web application. Both are ad free.
All your play data is stored in your web browser.
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Click on the puzzle size you want to play (4x4, 5x5, 6x6, or 7x7). Larger puzzles are harder.
The help button explains how kakurasu puzzles work.
In the lower right corner of the welcome screen there are buttons to erase game progress, share the game on social media, and read developer info.
The game has a button for more games at the bottom and a language selector which is in the upper right corner.
Use green checkmarks to mark the squares which add up to to the amount shown in the associated columns and rows.
You must enter all green checkmarks to solve the puzzle, but you do not need to enter all red X.
This puzzle does not have an error checking feature, but when you have completed the puzzle a thumbs up appears over the puzzle listing your completion time.
Each day this game offers another level to play through. You can also play multiple different puzzles from the same day by playing different puzzle sizes.
Your web browser automatically stores the amount of time and number of moves it took you to complete each puzzle.
You can click on date to choose another date and play another puzzle.
The lower right side of the game offers buttons to undo moves, pause the game, restart the level, control game music & sound, or switch between full screen or embedded play modes.