PUZZLE NO 408: 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. 407: CLONE - SUM FRAME HYBRID SUDOKU

 

RULES: Classic Sudoku rules apply. Digits in each corresponding cell of similar shaded regions are identical. Clues outside the grid represent the sum of the first three digits in the corresponding row or column.  

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PUZZLE NO. 406: KILLER - GERMAN WHISPERS 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, adjacent digits along each green line have a difference of at least 5.

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PUZZLE NO. 405: MATHRAX - POINTING EVENS HYBRID SUDOKU

 

RULES: Classic Sudoku rules apply. Some intersections of the grid lines are marked by a number and an operator (+, -, x, /) in a circle. The number is the result of the operation, applied to both pairs of diagonally opposite cells. An E in the circle indicates that all four adjacent digits are even, while an O indicates that all four adjacent digits are odd. Digits may repeat within a circle. Not all circles are marked. Digits outside the grid indicate the number of even digits in the direction of the diagonal arrow.

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PUZZLE NO. 404: KROPKI PAIRS - LITTLE KILLER HYBRID SUDOKU

 

RULES: 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. 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. 403: XV PAIRS - SKYSCRAPERS HYBRID SUDOKU

 

RULES: Classic Sudoku rules apply. 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. 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. 402: X SUMS - CONSECUTIVE PAIRS HYBRID SUDOKU

 

RULES: Classic Sudoku rules apply. 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. 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. 401: QUADRUPLES - REGION SUM LINES HYBRID SUDOKU

 

RULES: Classic Sudoku rules apply. Digits in circles must appear in the surrounding four cells, in some order. 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. 400: THERMO - ARROW HYBRID 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. 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. 399: GERMAN WHISPERS - KROPKI PAIRS HYBRID SUDOKU

 Wishing you all a Happy New Year 2024!

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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