Thermo-Sudoku by Kishore Kumar Sridharan

Thermo-Sudoku by Kishore Kumar Sridharan

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Theme: Sun

Author/Opus: This is the 2nd puzzle from guest contributor Kishore Kumar Sridharan.

Rules: Standard Thermo-Sudoku rules.

Answer String: Enter the 1st column from top to bottom, followed by a comma, followed by the 4th column from top to bottom.

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

Solution: PDF

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.

Thermo-Sudoku by John Bulten

Thermo-Sudoku by John Bulten

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

Theme: Candlepower

Author/Opus: This is the 53rd puzzle from our contributing puzzlemaster John Bulten.

Rules: Standard Thermo-Sudoku rules.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 9th row from left to right.

Time Standards (highlight to view): Grandmaster = 5:30, Master = 11:00, Expert = 22:00

Solution: PDF; a solution video is also available 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.

Thermo-Sudoku by Serkan Yürekli

Thermo-Sudoku by Serkan Yürekli

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

Theme: Pi Circle in Order

Author/Opus: This is the 182nd puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Thermo-Sudoku rules.

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 4th row from left to right.

Time Standards (highlight to view): Grandmaster = 4:00, Master = 5:00, Expert = 10:00

Solution: PDF

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.

Arrow/Shape/Thermo-Sudoku by Prasanna Seshadri

Sudoku by Prasanna Seshadri

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Theme: Diamonds (for Chris Green)

Author/Opus: This is the 150th puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Classic Sudoku Rules. Also, some arrow shapes are in the grid; the sum of the digits along the path of each arrow must equal the digit in the circled cell. Some thermometer shapes are in the grid; digits must be strictly increasing from the round bulb to each flat end. Finally, some diamond shapes are in the grid; the labeled diamonds below the grid must be placed in some order onto the shapes in the grid. The labeled diamonds can be rotated but cannot be reflected.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 9th row from left to right.

Time Standards (highlight to view): Grandmaster = 5:15, Master = 10:45, Expert = 21:30

Solution: PDF

Note: Follow this link for other less common 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. More Arrow and Thermo-Sudoku puzzles can be found in The Art of Sudoku 2.

Thermo-Sudoku by Swaroop Guggilam

Thermo-Sudoku by Swaroop Guggilam

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

Theme: X-Box

Author/Opus: This is the 8th puzzle from guest contributor Swaroop Guggilam.

Rules: Standard Thermo-Sudoku rules.

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 8th row from left to right.

Time Standards (highlight to view): Grandmaster = 6:30, Master = 13:00, Expert = 26:00

Solution: PDF; a solution video is available 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.

Thermo-Sudoku by Serkan Yürekli

Thermo-Sudoku by Serkan Yurekli

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

Theme: Weightlifter

Author/Opus: This is the 115th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Thermo-Sudoku rules.

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 6th column from top to bottom.

Time Standards (highlight to view): Grandmaster = 5:30, Master = 8:30, Expert = 17:00

Solution: PDF

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.

Thermo-Sudoku (Missing Bulbs) by Hans van Stippent

Thermo-Sudoku by Hans van Stippent

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Theme: Clown Face

Author/Opus: This is the 12th puzzle from guest contributor Hans van Stippent.

Rules: Standard Thermo-Sudoku rules. Also, the bulbs are missing from three of the thermometer shapes. These bulbs were positioned at one of the open ends of those thermometers.

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 5th row from left to right.

Time Standards (highlight to view): Grandmaster = 7:00, Master = 9:00, Expert = 18:00

Solution: PDF

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.