Sudoku Kropki 9x9 #9

Sudoku Kropki 9x9 #9 to solve free online puzzles (Dots Sudoku, Black and White Sudoku)

Due to the huge number of Sudoku Kropki puzzles, carefully selected in order of increasing complexity, this unique collection of many puzzles is full of attractively designed tasks from the author of this site.

Kropki Sudoku adds circles between the squares that indicate two different types of relationships: sequential values ​​and double values. In particular, the black circle marks all neighboring squares, where the value of one is two times greater than in the other, for example, 3 and 6; And the white circle indicates all adjacent squares adjacent in terms of numbers, such as 3 and 4. The initial grid is empty, and it's up to you to use circles - or the absence of circles - to fill each square of the standard sudoku puzzle!

Sudoku Kropki puzzles, displayed on a large high-quality java script, are ideal for solving puzzles both from a PC and a smartphone, vary in complexity from easy to extremely complex, therefore, regardless of your preferences or experience, you will always find Sudoku Kropki puzzle that suits you. Visit the category on the site for a complete list of other editions of this puzzle series.