Puzzle No. 492: Odd-German Whispers Hybrid 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 green circles contain only odd digits.

Adjacent digits along each green line have a difference of at least 5.

Online Solving Link to Penpa

Online Solving Link to Sudokupad

Puzzle No. 491: Thermo 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. 

There are some thermometer shapes in the grid. The digits are strictly in increasing order from the bulb to the flat end of each thermometer.

Online Solving Link to Penpa 

Online Solving Link to Sudokupad

Puzzle No. 490: Killer 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. 

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.

Online Solving Link to Penpa 

Online Solving Link to Sudokupad

Puzzle No. 489: German Whispers - X Sums Hybrid 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. 

Adjacent digits along each green line have a difference of at least 5.

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. 

Online Solving Link to Penpa

Online Solving Link to Sudokupad

Puzzle No. 488: Thermo - X Sums Hybrid 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. 

There are some thermometer shapes in the grid. The digits are strictly in increasing order from the bulb to the flat end of each thermometer.

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. 

Online Solving Link to Penpa 

Online Solving Link to Sudokupad

Puzzle No. 487: Incomplete Arrow Sudoku 6x6

 

Rules: Place a digit from 1 to 6 in each empty cell so that each digit appears exactly once in each row, column and 2x3 outlined box. 

The grey lines represent incomplete arrows. The digit on one end of each line is the sum of the other digits on the same line. Digits may repeat along the lines.

Online Solving Link to Penpa

Online Solving Link to Sudokupad

Puzzle No. 486: Skyscraper 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. 

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.

Online Solving Link to Penpa

Online Solving Link to Sudokupad

Puzzle No. 485: Sum Detector 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. 

The digit in each cell with an arrow must equal the sum of the values in one or more cells along the direction pointed at by the arrow, starting with the cell that the arrow points to directly.

Online Solving Link to Penpa

 Online Solving Link to Sudokupad

Puzzle No. 484: Before 9 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. 

Clues outside of a row or column tell you the sum of all of the digits appearing prior to the 9 in that row or column. The sum counts from the side of the grid where the clue appears.

Online Solving Link to Penpa  

Online Solving Link to Sudokupad

Sudoku Exotica: Vol # 2 - Now available on Amazon (in paperback form) and on Payhip (in PDF form)

 

My new book Sudoku Exotica: Vol # 2 has released and is now available on Amazon in paperback format and on Payhip in PDF format. This is the second book in the series Sudoku Exotica. The books in this series contain innovative and uncommon Sudoku Variants. 
The Sudokus are test solved by Édouard Lebeau and his timings for the same are also mentioned. All the Sudokus have Online Solving Links to Penpa as well as Sudokupad.

The book features the following Sudoku Variants:

• Slow Thermo Sudoku;
• Group Sum Sudoku;
• Odd Even Rossini Sudoku;
• Full or Half Sudoku;
• Faded Kropki Pairs Sudoku;
• Bouncing X Sums Sudoku;
• Ascending Starters Sudoku;
• Before 9 Sudoku;
• Pointing Digits Sudoku;
• Double Arrow Sudoku..

Link to Amazon for paperback   https://tinyurl.com/6cezr2rk

Link to Payhip for PDF     https://payhip.com/worldofsudoku