PUZZLE NO. 308 : KROPKI PAIRS SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, if the absolute difference between two digits in neighboring cells equals 1, then they are separated by a white dot. If the digit in a cell is half or double of the digit in a neighboring cell, then they are separated by a black dot. The dot staying between 1 and 2 can have any of these dots. All possible dots are not marked.

Solve Online

PUZZLE NO. 307 : KILLER-KROPKI PAIRS-XV PAIRS HYBRID SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, 

• Killer Sudoku rules apply, i.e., there are some cages in the grid. The number on the top left corner of each cage is equal to the sum of the digits in that cage. Digits do not repeat inside a cage.  
• Kropki Pairs rules apply, i.e. if the absolute difference between two digits in neighboring cells equals 1, then they are separated by a white dot. If the digit in a cell is half or double of the digit in a neighboring cell, then they are separated by a black dot. The dot staying between 1 and 2 can have any of these dots. All possible dots are not marked. 
• XV Pairs rules apply, i.e., if the sum of digits in orthogonally adjacent cells is 10, then they are separated by an X. If the sum of digits in orthogonally adjacent cells is 5, then they are separated by a V. All possible Xs & Vs are not marked;

Solve Online

PUZZLE NO. 306 : GERMAN WHISPERS SUDOKU

 

RULES : Classic Sudoku rules apply. Adjacent digits along each marked line have a difference of at least 5.

Solve Online

PUZZLE NO. 305 : Sudo-Kurve Sudoku

 

RULES : Place a digit from 1 to 9 in each empty cell so that no digit repeats in any row, column or bold region. Some rows & columns bend as indicated by following the grey lines.

Solve Online

PUZZLE NO. 304 : NEIGHBOR SUMS SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, some edges are marked with the sums of the digits in the adjacent cells.

Solve Online