Puzzle No. 497: Odd Even Sudoku

 

Rules: Classic Sudoku rules apply. Cells containing grey circles contain only odd digits. Cells containing grey squares contain only even digits.

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Puzzle No. 445: Odd Even Sudoku

 

RULES: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.

Cells containing grey circles contain only odd digits. Cells containing grey squares contain only even digits.

Online Solving Link using Penpa

Online Solving Link using Sudokupad

Puzzle No. 385: Odd Even Sudoku

 

RULES: Classic Sudoku rules apply. Cells containing grey circles contain only odd digits. Cells containing grey squares contain only even digits.

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PUZZLE NO. 345 : ODD EVEN SUDOKU

 

RULES : Classic Sudoku rules apply. Cells containing circles contain only odd digits. Cells containing squares contain only even digits.

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PUZZLE NO. 310 : ODD-CONSECUTIVE PAIRS HYBRID SUDOKU

 

RULES : Classic Sudoku rules apply. Cells with grey circles will contain only odd digits. Cells separated by white dots will contain consecutive digits. Not all possible dots are marked.

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PUZZLE NO. 296 : ODD EVEN SUDOKU

 

RULES :  Classic Sudoku rules apply. Cells containing grey circles contain only odd digits. Cells containing grey squares contain only even digits.

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PUZZLE NO. 278 : ODD EVEN SUDOKU

 

RULES :  Classic Sudoku rules apply. Cells containing grey circles contain only odd digits. Cells containing grey squares contain only even digits.

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PUZZLE NO. 259 : ODD SUDOKU

 

RULES :  Classic Sudoku rules apply. Additionally, cells having grey circles will contain only odd digits.

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PUZZLE NO. 249 : EVEN SUDOKU

 

RULES :  Classic Sudoku rules apply. Additionally, cells having grey squares will contain only even digits.

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PUZZLE NO. 248 : ODD EVEN SUDOKU

 

RULES :  Classic Sudoku rules apply. Cells containing grey circles contain only odd digits. Cells containing grey squares contain only even digits.

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PUZZLE NO. 238 : DUAL SUDOKU ( Odd Sudoku & Even Sudoku )

 

This is a dual sudoku, It can  be solved individually,  both as an Odd Sudoku as well as an Even Sudoku. 

RULES FOR ODD SUDOKU : Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 box. Additionally, cells with grey squares will contain only odd digits. 

RULES FOR EVEN SUDOKU : Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 box. Additionally, cells with grey squares will contain only even digits. 

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PUZZLE NO. 218 : ODD EVEN SUDOKU

RULES :  Classic Sudoku rules apply. Cells containing grey circles contain only odd digits. Cells containing grey squares contain only even digits.

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PUZZLE NO. 216 :ODD EVEN-THERMO-ARROW-KILLER-LITTLE KILLER-XV PAIRS-KROPKI PAIRS-QUADRUPLE HYBRID SUDOKU

 

RULES : Classic Sudoku Rules apply. Additionally,

• Odd Even Sudoku rules apply ; i.e. grey circles contain odd digits ; grey squares contain even digits;
• Thermo Sudoku rules apply ; i.e digits along the thermometer will strictly increase from the bulb to the flat end;
  
• Arrow Sudoku rules apply ; i.e. the sum of the digits along the path of the arrow must equal the digit in the circled cell. Digits may repeat along an arrow;
• 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 numbers in that cage. Numbers do not repeat in a cage;
• Little Killer Sudoku rules apply ; i.e. the numbers with arrows outside the grid indicate the sum of the digits appearing in the cells in the corresponding direction. Numbers may repeat in the direction of the arrow;           
• XV Pairs Sudoku 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;
• Kropki Pairs Sudoku 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;
• Quadruple Sudoku rules apply ; i.e. each small digit inside the grid should appear at least once in the four neighboring cells of the grid;  

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PUZZLE NO. 192 : Odd Even Sudoku

 Another sudoku from my book World Of Sudoku Vol # 1. Freddie Hand, who test solved all sudokus from my book had taken 07:41 minutes on this sudoku. Lets see , if you guys can better that. 

  Also, this sudoku will be covered by Rishi Puri on his YouTube channel Sudokumaniacs. Thanks Rishi for this.

RULES : Classic sudoku rules apply. Cells containing grey circles contain only odd digits. Cells containing grey squares contain only even digits.

PUZZLE NO. 179 : Thermo - Killer - Odd Even - Consecutive Pairs Hybrid Sudoku

 

RULES : This is a hybrid of Thermo Sudoku , Killer Sudoku , Odd Even Sudoku & Consecutive Pairs Sudoku. Classic sudoku rules apply. In addition , rules of the four variants in the sudoku apply.

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PUZZLE NO. 169 : Odd Even Sudoku

 

RULES : Classic sudoku rules apply. Cells containing grey circles contain only odd digits. Cells containing grey squares contain only even digits.

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PUZZLE NO. 150 : Even - Thermo - Consecutive Pairs Hybrid Sudoku

A 150 themed sudoku for the 150th sudoku of my blog

RULES : Classic sudoku rules apply. 

               Cells with grey squares will contain only even digits. 

               If a white circle is given between two adjacent cells , then the numbers in those cells will be consecutive. Not all white circles are given. 

              Additionally, there are some thermometer shapes in the grid. The numbers are in increasing order from the bulb to the flat end on each thermometer. In some of the thermometer shapes, the bulbs are missing. It is for the solver to determine at which end the bulb is for each thermometer.

PUZZLE NO. 144 : Dual Sudoku ( Odd Sudoku & Even Sudoku )

This is a dual sudoku. It can be solved individually, both as an Odd Sudoku as well as an Even Sudoku.

RULES FOR ODD SUDOKU : Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 box. Additionally, the shaded cells will contain only odd digits. Non shaded cells may contain digits of any parity.

RULES FOR EVEN SUDOKU : Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 box. Additionally, the shaded cells will contain only even digits. Non shaded cells may contain digits of any parity.

PUZZLE NO. 130 : Even Sudoku

RULES :  Classic sudoku rules apply. Additionally, cells having grey squares will contain only even digits.

PUZZLE NO. 114 : ODD EVEN - 2 ODD 2 EVEN HYBRID SUDOKU

RULES : Classic Sudoku rules apply. Additionally, grey squares contain only even digits and grey circles contain only odd digits. Also, there can never be more than two consecutive digits of the same parity in any row/column. ( Two digits are of same parity if both of them are odd or both are even ).
Note : This sudoku featured on the youtube channel Enthralling SudokuManiacs. The link to the video can be found here Even in sudoku, 3 is a crowd!