Archive for the ‘Puzzle’ Category:

Double Kakuro (Invisible) by Grant Fikes

Kakuro by Grant Fikes

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Author/Opus: This is the 332nd puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Variation of Kakuro. Some 2×2 white regions are to be shaded gray and treated as single (2×2) cells in the Double Kakuro, the position of these cells must be found while solving, and each gray cell is to be filled by a single digit which sits in multiple rows and columns. No digits can repeat within an entry, regardless of whether they are in small or large cells.
(An example Double Kakuro puzzle is linked.)

Difficulty: 2.5 stars

Time Standards (highlight to view): Grandmaster = 3:30, Master = 5:00, Expert = 10:00

Solution: PDF; a solution video is also available here.

Note: Follow this link for classic Kakuro and this link for Kakuro variations. More Kakuro puzzles can be found in Kakuro and Variations by Serkan Yürekli and in The Art of Puzzles 2.

Kakuro by John Bulten

Kakuro by John Bulten

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Crossword

Author/Opus: This is the 70th puzzle from our contributing puzzlemaster John Bulten.

Rules: Standard Kakuro Rules.

Difficulty: 2.5 stars

Time Standards (highlight to view): Grandmaster = 3:00, Master = 4:00, Expert = 8:00

Solution: PDF

Note: Follow this link for classic Kakuro and this link for Kakuro variations. More Kakuro puzzles can be found in Kakuro and Variations by Serkan Yürekli and in The Art of Puzzles 2.

Kakuro by Thomas Snyder

Kakuro by Thomas Snyder

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Five Rooms

Author/Opus: This is the 367th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Kakuro Rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:20, Master = 1:45, Expert = 3:30

Solution: PDF

Note: Follow this link for classic Kakuro and this link for Kakuro variations. More Kakuro puzzles can be found in Kakuro and Variations by Serkan Yürekli and in The Art of Puzzles 2.

Kakuro by Serkan Yürekli

Kakuro by Serkan Yürekli

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Cross Sums

Author/Opus: This is the 308th puzzle from our managing editor Serkan Yürekli.

Rules: Standard Kakuro Rules.

Difficulty: 1 star

Time Standards (highlight to view): Grandmaster = 0:45, Master = 1:20, Expert = 2:40

Solution: PDF

Note: Follow this link for classic Kakuro and this link for Kakuro variations. More Kakuro puzzles can be found in Kakuro and Variations by Serkan Yürekli and in The Art of Puzzles 2.

Thermo-Sudoku by Thomas Snyder

Thermo-Sudoku by Thomas Snyder

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Clueless

Author/Opus: This is the 366th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Thermo-Sudoku rules.

Difficulty: 4 stars

Time Standards (highlight to view): Grandmaster = 6:15, Master = 10:00, Expert = 20:00

Solution: PDF; a solution video from the author is also available here and another from Cracking the Cryptic is here.

Note: Follow this link for more Thermo-Sudoku puzzles. If you are new to this puzzle type, here are our easiest Thermo-Sudoku to get started on. More Thermo-Sudoku puzzles can be found in The Art of Sudoku 2 and Masterpiece Sudoku Mix 2.

Arrow Sudoku by Akash Doulani

Arrow Sudoku by Akash Doulani

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Vacant Room

Author/Opus: This is the 5th puzzle from guest contributor Akash Doulani.

Rules: Standard Arrow Sudoku rules.

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 5:30, Master = 7:30, Expert = 15:00

Solution: PDF

Note: Follow this link for more Arrow Sudoku. If you are new to this puzzle type, here are our easiest Arrow Sudoku to get started on. More Arrow Sudoku puzzles can be found in The Art of Sudoku 2 and Masterpiece Sudoku Mix 3.

XV Sudoku by Ashish Kumar

XV Sudoku by Ashish Kumar

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Theme: XV

Author/Opus: This is the 56th puzzle from our contributing puzzlemaster Ashish Kumar.

Rules: Standard Sudoku rules. Also, whenever the numbers in two adjacent cells sum to exactly 10 or 5, an X or V is placed on the edge between cells reflecting the Roman numerals for 10 or 5. All adjacent cells not marked with an X or V cannot add up to 10 or 5.

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 4:00, Master = 7:00, Expert = 14:00

Solution: PDF; a solution video is also available here.

Note: Follow this link for other variations of Sudoku and this link for classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on.

Sudoku by Zoltán Horváth

Sudoku by Zoltán Horváth

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Theme: Diamond

Author/Opus: This is the 11th puzzle from guest contributor Zoltán Horváth.

Rules: Standard Sudoku rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:45, Master = 2:30, Expert = 5:00

Solution: PDF

Note: Follow this link for other classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku, The Art of Sudoku 2 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Sudoku by Kishore Kumar Sridharan

Sudoku by Kishore Kumar Sridharan

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or solve online (using our beta test of Penpa-Edit tools)

Theme: X

Author/Opus: This is the 5th puzzle from guest contributor Kishore Kumar Sridharan.

Rules: Standard Sudoku rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:30, Master = 2:30, Expert = 5:00

Solution: PDF

Note: Follow this link for other classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku, The Art of Sudoku 2 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Sudoku by Serkan Yürekli

Sudoku by Serkan Yürekli

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Ordered Center

Author/Opus: This is the 307th puzzle from our managing editor Serkan Yürekli.

Rules: Standard Sudoku rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:30, Master = 2:30, Expert = 5:00

Solution: PDF

Note: Follow this link for other classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku, The Art of Sudoku 2 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.