PUZZLE NO. 398: UNTOUCH - THERMO HYBRID SUDOKU

 

RULES: Classic Sudoku rules apply. No same digit touches each other diagonally. Additionally, there are some thermometer shapes in the grid. The digits are in increasing order from the bulb to the flat end of each thermometer. 

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PUZZLE NO. 397: OUTSIDE - PALINDROME 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. Digits along the given lines read the same from either direction on the line.

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PUZZLE NO. 396: GROUP SUM - RENBAN HYBRID SUDOKU

 

RULES: Classic Sudoku rules apply. Additionally, the numbers inside each circle indicate the sum of the digits in the cells covered by the corresponding circle. Digits may repeat in the cells covered by a circle. Each marked line contains consecutive digits, in any order.

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PUZZLE NO. 395 : X SUMS - LITTLE KILLER HYBRID SUDOKU

 Wishing all of you a Merry Christmas. Here is a hybrid sudoku themed on 25-12-23!

RULES: Classic Sudoku rules apply. Additionally, the clues outside the grid indicate the sum of the first X digits placed in the corresponding direction, where X is equal to the first digit placed in that direction. Numbers with arrows outside the grid indicate the sum of the digits appearing in the cells in the corresponding direction. Digits may repeat in the direction of the arrow.

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World Of Sudoku: Vol # 9 - Now available in India on amazon.in

 

Hi all. My new book World Of Sudoku: Vol # 9 is now available in paperback in India on amazon.in. The book contains 120 handcrafted Killer Sudokus. The link to the book is https://www.amazon.in/dp/B0CP2BTVHV

You can also check out 

Volumes 1,2,4&5 here

Volumes 3,6,7&8 here

Puzzle No. 394: Kropki Pairs-XV Pairs Hybrid Sudoku

 

RULES: Classic Sudoku rules apply. 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. Also, 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.

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World Of Sudoku: Vol # 9

Hi guys! My new book World Of Sudoku: Vol # 9 is now available on Amazon in paperback form as well as on Payhip in pdf format. The book contains 120 handcrafted Killer Sudokus. The sudokus are test solved by Édouard Lebeau and his test solve timings are provided with each puzzle. Also, online solving links are provided with each puzzle. The book also contains an exhaustive set of killer cage combinations (compiled by Bremster). The link to amazon and payhip are:

Link to amazon  https://www.amazon.com/dp/B0CNP62F9X?ref_=pe_93986420_774957520

Link to payhip  https://payhip.com/b/Y7U32

The book will also be available in India very soon.

Puzzle No. 393: Thermo Sudoku

 

RULES: Classic Sudoku rules apply. Additionally, there are some thermometer shapes in the grid. The digits are in increasing order from the bulb to the flat end of each thermometer.

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Puzzle No. 392: Killer - Clone Hybrid Sudoku

 

RULES: Classic Sudoku rules apply. 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 in a cage. Additionally, Boxes 1 & 9 and Boxes 3 & 7 are clones, i.e. the digits in the respective positions of Boxes 1 & 9 will be same. Similarly, the digits in the respective positions of Boxes 3 & 7 will be same.

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Puzzle No. 391: Inequality Sudoku

 

RULES: Classic sudoku rules apply. There are 'greater than' (>) and 'less than' (<) signs in the grid. The cell with the open end of the sign should be greater than the cell with the closed end of the sign. 

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Puzzle No. 390: Consecutive Pairs Sudoku

 

RULES: Classic Sudoku rules apply. If a grey circle is given between two adjacent cells, then the digits 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. 389: 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. 388: Thermo - Sum Sandwich Hybrid Sudoku

 

Happy Sudoku Day !

RULES: Classic Sudoku rules apply. Additionally, there are some thermometer shapes in the grid. The digits are in increasing order from the bulb to the flat end of each thermometer. The clues outside the grid represent the sums of the digits sandwiched between the 1 and the 9 in that row or column.  

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Puzzle No. 387: German Whispers Sudoku

 

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

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Puzzle No. 386: 345 Frame Sudoku

 

RULES: Classic Sudoku rules apply. Clues outside the grid represent the sum of the third, fourth and fifth digits in the corresponding row or column.

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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. 384: Slow Thermo Sudoku

 

RULES: Classic Sudoku rules apply. Additionally, there are some thermometer shapes in the grid. Digits along the thermometers never decrease from the bulb to the flat end.

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Puzzle No. 383: 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.

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Puzzle No. 382: Quad Sum Sudoku

 

RULES: Classic Sudoku rules apply. A dot at a corner implies that one digit is the sum of the remaining three digits at the corner. Not all dots are given.

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Puzzle No. 381: Little Killer - Sum Frame Hybrid Sudoku

 

RULES: Classic sudoku rules apply. Additionally, the numbers with arrows outside the grid indicate the sum of the digits appearing in the cells in the corresponding direction. Digits may repeat in the direction of the arrow. Also, clues outside the grid represent the sum of the first three digits in the corresponding row or column.

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Puzzle No. 380 : 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. 379: REGION SUM LINES SUDOKU

 

RULES: Classic Sudoku rules apply. For each line, digits on the line have an equal sum N within each box it passes through. If a line passes through the same box more than once, each individual segment of such a line within that box sums to N separately.

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PUZZLE NO. 378 : KILLER - OUTSIDE HYBRID SUDOKU

 

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

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PUZZLE NO. 377 : FIRST SEEN ODD/EVEN SUDOKU

 

RULES: Classic Sudoku rules apply. Clues adjacent to a row or column give the first odd (if the clue is odd) or first even (if the clue is even) digit in that row or column from the direction of the clue.

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PUZZLE NO. 376 : 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. 375 : GERMAN WHISPERS - KROPKI PAIRS HYBRID SUDOKU

 It feels proud to share that my daughter has secured 96.4 % marks in her Class X exams (I.C.S.E board). Here is a sudoku especially themed on her achievement.

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

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PUZZLE NO. 374 : KILLER - SKYSCRAPER HYBRID SUDOKU

 

RULES : Classic Sudoku rules apply. 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 in a cage. Each digit in the grid represents the height of the skyscraper in each cell. The digits outside the grid indicate the number of skyscrapers seen from the corresponding direction.

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PUZZLE NO. 373 : 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. 372 : SLOW THERMO SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, there are some thermometer shapes in the grid. Digits along the thermometers never decrease from the bulb to the flat end.

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PUZZLE NO. 371 : SUM FRAME - SLOT MACHINE HYBRID SUDOKU

 

RULES : Classic Sudoku rules apply. Clues outside the grid represent the sum of the first three digits in the corresponding row or column. Additionally, the three shaded columns are like a slot machine. The nine digits that they contain will be in exactly the same order. 

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WORLD OF SUDOKU : VOL # 8

 

Hi everyone! My new book World Of Sudoku : Vol # 8 is now available on amazon in paperback as well as hardcover. It is also available on payhip as pdf. The book contains 120 handcrafted sudokus covering 10 advanced sudoku variants. All the puzzles in the book are test solved by Édouard Lebeau and his solving times are also mentioned with each puzzle. Online solving links for each puzzle are also provided for those who prefer to solve online. The variants covered in the book are :

 

·        CAPSULE SUDOKU

·        POINTING EVENS SUDOKU

·        SEARCH 9 SUDOKU

·        GERMAN WHISPERS SUDOKU

·        X SUMS SUDOKU

·        CONSECUTIVE CLONE SUDOKU

·        REGION SUM LINES SUDOKU

·        DIAGONAL OUTSIDE SUDOKU

·        RENBAN SUDOKU

·        SKYSCRAPERS SUDOKU

The links are given below:

Link to amazon   https://amzn.to/41PNUxc

Link to payhip for pdf  https://payhip.com/b/fBjXF

 

 

PUZZLE NO 370 : KILLER SUDOKU

RULES : Classic Sudoku rules apply. 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 in a cage.

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PUZZLE NO. 369 : 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. 368 : THERMO SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, there are some thermometer shapes in the grid. The digits are in increasing order from the bulb to the flat end of each thermometer.

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PUZZLE NO. 367 : SEQUENCE SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, the digits along each marked line have to be different and must form an arithmetic sequence in the correct order. 

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PUZZLE NO. 366: CONSECUTIVE CLONES SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, digits in the same place in identical grey figures (without rotating) have to be consecutive. 

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PUZZLE NO. 365 : PALINDROME - CONSECUTIVE PAIRS - LITTLE KILLER HYBRID SUDOKU

RULES : Classic Sudoku rules apply. Additionally,

      Digits along the given lines read the same from either direction on the line; 

      If a grey circle is given between two adjacent cells, then the digits 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;

      Numbers with arrows outside the grid indicate the sum of the digits appearing in the cells in the corresponding direction. Digits may repeat in the direction of the arrow.

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PUZZLE NO. 364: REGION SUM LINES SUDOKU

 

RULES : Classic Sudoku rules apply. For each line, digits on the line have an equal sum N within each box it passes through. If a line passes through the same box more than once, each individual segment of such a line within that box sums to N separately.

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PUZZLE NO. 363 : GERMAN WHISPERS SUDOKU

 

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

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PUZZLE NO. 362 : KILLER - CONSECUTIVE PAIRS HYBRID SUDOKU

 

RULES : Classic sudoku rules apply. 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 in a cage. Additionally, if the absolute difference between two digits in neighboring cells equals 1, then they are separated by a white dot. All possible dots are not marked.

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PUZZNE NO. 361 : ARROW - KROPKI PAIRS HYBRID 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.

                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.

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PUZZLE NO. 360 : RENBAN SUDOKU

 

RULES : Classic Sudoku rules apply. Additionally, each marked line contains consecutive digits, in any order.

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PUZZLE NO. 359 : PARITY ON LINE SUDOKU

 

RULES : Classic Sudoku rules apply. Along each grey lines, the digits have the same parity.

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PUZZLE NO. 358 : GERMAN WHISPERS - ARROW - LITTLE KILLER HYBRID SUDOKU

 

RULES : Classic Sudoku rules apply. Adjacent digits along each green line have a difference of at least 5. 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. The numbers with arrows outside the grid indicate the sum of the digits appearing in the cells in the corresponding direction. Digits may repeat in the direction of the arrow.

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