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. 258 : LIAR SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, every given clue is lying. The correct value is either one more or one less than the given clue. 

Note : A 1 can only have value 2 and a 9 can only have value 8.

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PUZZLE NO. 257 : PENCIL MARKS SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, some cells have digits on the top left side. One of those digits can only be placed in the respective cells.

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PUZZLE NO. 256 : ARROW SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, there are some arrow shapes in the grid. The sum of the digits along the path of each arrow must equal the digit in the circled cell. Digits may repeat along an arrow.

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PUZZLE NO. 255 : THERMO SUDOKU

 

RULES : Classic Sudoku rules apply. 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.

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PUZZLE NO. 254 : ARROW SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, there are some arrow shapes in the grid. The sum of the digits along the path of each arrow must equal the digit in the circled cell. Digits may repeat along an arrow.

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PUZZLE NO. 253 : SUM FRAME SUDOKU

 

RULES : Classic Sudoku rules apply. Clues outside the grid represent the sum of the first three digits in the corresponding row or column.

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PUZZLE NO. 252 : CONSECUTIVE PAIRS SUDOKU

 

RULES : Classic Sudoku rules apply. If a grey circle is given between two adjacent cells, then the numbers in those cells will be consecutive. Not all grey circles are given, which means adjacent cells without a grey circle may or may not contain consecutive digits.

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PUZZLE NO. 251 : CONSECUTIVE SUDOKU

 

RULES : Classic Sudoku rules apply. Orthogonally adjacent cells containing consecutive numbers are separated by grey bars. All possible bars are marked. 

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PUZZLE NO. 250 : THERMO - KROPKI PAIRS HYBRID SUDOKU

 

A 250 themed sudoku for the 250th sudoku of my blog. 

RULES : Classic Sudoku rules apply. 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. Also, 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.

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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. 247 : CLASSIC 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 box.

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PUZZLE NO. 246 : CLASSIC 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 box.

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PUZZLE NO. 245 : EQUATION SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, each of the equations given must be satisfied (top to bottom, or left to right). The operations given are addition (+), subtraction (-), multiplication (x), division (/) and exponentiation (^). Each equation consists of exactly three cells.

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PUZZLE NO. 244 : MINUS SUDOKU

 

RULES : Classic Sudoku rules apply. A grey horizontal or vertical bar symbol in a cell indicates that the digit in the cell is equal to the difference of its horizontal or vertical neighbours. Not all possible bars are marked, i.e. cells without a bar may or may not indicate the difference of its horizontal or vertical neighbours. 

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PUZZLE NO. 243 : STAR PRODUCT SUDOKU

 

RULES : Classic Sudoku rules apply. Clues outside the grid are the product of digits in all cells marked with stars in the corresponding row or column.

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PUZZLE NO. 242 : OUTSIDE - LITTLE KILLER HYBRID SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, the digits outside the grid must appear in one of the first three cells seen from that edge of the grid. Additionally, 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.

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PUZZLE NO. 241 : AVERAGE SUDOKU

 RULES : Classic Sudoku rules apply. A digit in a circle is the average of the digits in all cells connected to it with a line.

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PUZZLE NO. 240 : EXTRA REGIONS - THERMO HYBRID SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, each group of nine shaded cells must also contain the digits 1 to 9. 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.

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PUZZLE NO. 239 : DIFFERENCE SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, the circled number between two cells represents the absolute difference between the two cells.

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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. 237 : WINDOKU

 

RULES : Classic Sudoku rules apply. Each of the four shaded 3x3 regions must also contain digits from 1 to 9.

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PUZZLE NO. 236 : DIAGONAL SUDOKU

 

Classic Sudoku rules apply. Additionally, each main diagonal ( marked by dotted lines ) must contain digits from 1 to 9.

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PUZZLE NO. 235 : CLASSIC 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 box.

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PUZZLE NO. 234 : MULTIPLICATION TABLE SUDOKU

 

RULES : Classic sudoku rules apply. The two digit number in the second line of each 2x2 marked region is the product of the two one-digit numbers in the first line of the marked region. Numbers may repeat in the marked regions.                 

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PUZZLE NO. 233 : LIAR SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, every given clue is lying. The correct value is either one more or one less than the given clue. 

 Note : A 1 can only have value 2 and a 9 can only have value 8.

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PUZZLE NO. 232 : TRIO SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, cells containing grey circles will only contain digits 1, 2 & 3. Cells containing grey squares will only contain digits 4, 5 & 6. Cells containing grey diamonds will only contain digits 7, 8 & 9.

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PUZZLE NO. 231 : PALINDROME SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, digits along the given lines read the same from either direction on the line.

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