Meaning of Kropki is Dots. There are very few Sudoku types and number Puzzle types in which no given hint in required to solve the puzzle. Kropki is one of such puzzle type wherein most of the puzzles no number as hint will be given. There are many Kropki puzzles and Kropki Sudoku puzzles created by me. Many of the Kropki Sudoku puzzles are already published and soon I will be publishing these puzzles. This page gives the reference links to these Kropki puzzles here.
Rules of Kropki Puzzle
Fill in the grid with digits 1 – N where N is the size of the grid so that each row and column contains each digit exactly once. If two consecutive digits appear in two neighbouring cells, they are separated by a white dot. If the digit in a cell is half of the digit in the neighbouring cell, then they are marked by a black dot. The dot between 1 and 2 can either be white or be black.
Example of Kropki Puzzle Kropki Puzzle Example
Below is the list of Kropki Puzzles published on this website
4x4 Kropki
Rules of 9x9 Kropki Sudoku
Classic Sudoku Rules apply. Additionally, if the absolute difference between two digits in neighbouring cells equals 1, then they are separated by a white dot. If the digit is half of the digit in the neighbouring cell, then they are separated by a black dot. The dot between 1 and 2 can be either white or black.
Following are the links to the Kropki Sudoku puzzles published here

### Kropki Sudoku (Fun With Sudoku #3)

Rules of 6x6 Kropki Sudoku
Mini Classic Sudoku Rules apply. Additionally, if the absolute difference between two digits in neighbouring cells equals 1, then they are separated by a white dot. If the digit is half of the digit in the neighbouring cell, then they are separated by a black dot. The dot between 1 and 2 can be either black or white.

### Kropki Sudoku (Mini Sudoku Series #55)

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