Puzzle No. 471: Thermo-Region Sum Lines 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 in increasing order from the bulb to the flat end of each thermometer.

Digits on each blue line add up to the same number in each box it visits.

Link to Penpa

Link to Sudokupad

Puzzle No. 470: Mean Mini - Kropki Pairs Sudoku

 

Rules: Place a set of six digits from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 2x3 outlined box.

A black dot between two digits means one of them is double the other. A white dot between two digits means they are consecutive. Not all possible black and white dots are necessarily given. 

Link to Penpa

Link to Sudokupad

Puzzle No. 469: Mean Mini - Arrow Sudoku

 

Rules: Place a set of six digits from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 2x3 outlined box.

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. 

Link to Penpa

Link to Sudokupad

SUDOKU EXOTICA: VOL # 1

 

My new book Sudoku Exotica: Vol # 1 has released and is now available on Amazon in paperback format and on Payhip in PDF format. This is the first book in the new series Sudoku Exotica. The books in this series will contain innovative and uncommon Sudoku Variants. 

The book features the following Sudoku Variants:

• Battenburg Sudoku;
• 234 Outside Sudoku;
• Positional X Sums Sudoku;
• Mathdoku;
• XY Differences Sudoku;
• Serbian Frame Sudoku;
• Rossini Sudoku;
• First Seen Odd Even Sudoku;
• Odd Even Count Sudoku;
• Incomplete Arrow Sudoku;

All Sudokus in the book are test solved by Edouard Lebeau and his timings are mentioned with each Sudoku. Online Solving Links are also provided with each Sudoku for solvers who like to solve online.

Link to Paperback from Amazon  https://rb.gy/7dbv1l

Link to PDF from Payhip               https://payhip.com/b/TZPwV 

Puzzle No. 468: Arrow-Little Killer 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 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. 

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.

Link to Penpa

Link to Sudokupad

Puzzle No. 467: 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 in increasing order from the bulb to the flat end of each thermometer.

Link to Penpa

link to sudokupad

Puzzle No. 466: German Whispers 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.

Link to Penpa

Link to Sudokupad

Puzzle No. 465: Arrow 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 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. 

Online Solving Link using Penpa

Online Solving Link using Sudokupad

Puzzle No. 464: 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 in increasing order from the bulb to the flat end of each thermometer.

Online Solving Link using Penpa

Online Solving Link using Sudokupad

Puzzle No. 463: Sum Next to 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 the grid indicate the sum of the digits next to 9 in that row or column. If a 9 appears at the very end of its row or column, the clue shows the value of the single digit next to the 9. 

Online Solving Link using Penpa

Online Solving Link using Sudokupad