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Theme: Tetrominoes

Author/Opus: This is the 186th puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Draw a snake (a 1-cell wide path) from one dot to the other by moving horizontally or vertically between adjacent squares. The snake cannot touch itself, not even diagonally. All highlighted regions must be visited by the snake, and may be re-entered. If two or more highlighted regions have the same shape and orientation, then how the path passes through those shapes must be identical.

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 4:45, Master = 7:30, Expert = 15:00

Solution: To be posted next Sunday (September 20th).

Note: Follow this link for other Snake puzzles. More Snake puzzles and variations can be found in Snake and Variations by Serkan Yürekli.

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Theme: Square in the Center

Author/Opus: This is the 296th puzzle from our managing editor Serkan Yürekli.

Rules: Standard Kurotto rules. Also, each row and column must contain exactly two stars (one in the example). Stars cannot touch each other, not even diagonally, and all stars must be on shaded cells.

See also this example:

Difficulty: 4.5 stars

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

Solution: PDF

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

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Theme: Couples

Author/Opus: This is the 185th puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Standard Kurotto rules. Also, numbers outside the grid show the number of separate shaded cells visible in that direction. A segment of length N in a given direction is taken as a building of height N. Buildings of height N block the view of all buildings behind them of equal or lesser height.

See also this example:

Difficulty: 4 stars

Time Standards (highlight to view): Grandmaster = 4:30, Master = 9:30, Expert = 19:00

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

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

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Theme: Consecutives

Author/Opus: This is the 176th puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Skyscrapers rules.

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 3:30, Master = 6:00, Expert = 12:00

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

Note: Follow this link for classic Skyscrapers puzzles and this link for variations on Skyscrapers puzzles. If you are new to this puzzle type, here are our easiest Skyscrapers Puzzles to get started on. More Skyscrapers puzzles can be found in The Art of Puzzles, in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli, and in the e-book Skyscrapers by Ashish Kumar.

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Theme: Tetrominoes

Author/Opus: This is the 295th puzzle from our managing editor Serkan Yürekli.

Rules: Standard Skyscrapers rules. Also, as in Thermo-Sudoku, digits must be strictly increasing in all thermometer shapes from round bulb to flat end.

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 3:00, Master = 4:15, Expert = 8:30

Solution: PDF

Note: Follow this link for classic Skyscrapers puzzles and this link for variations on Skyscrapers puzzles. If you are new to this puzzle type, here are our easiest Skyscrapers Puzzles to get started on. More Skyscrapers puzzles can be found in The Art of Puzzles, in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli, and in the e-book Skyscrapers by Ashish Kumar.

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or play online with puzz.link tools.

Theme: Circuit

Author/Opus: This is the 50th puzzle from our contributing puzzlemaster Ashish Kumar.

Rules: Standard Star Battle rules. Two stars per row, column, and region.

Difficulty: 4 stars

Time Standards (highlight to view): Grandmaster = 4:00, Master = 6:30, Expert = 13:00

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

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

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Theme: RHYTHM HEAVEN

Author/Opus: This is the 325th puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Variation of Sudoku rules. Instead of the digits 1-9, use the letters in “RYTM HEAVN”

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 4:30, Master = 6:15, Expert = 12:30

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 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.