PDF

or solve online (using our beta test of Penpa-Edit tools; note that solution checking requires the 12 ciphered clues and the thirty-six interior cells to all be marked)

Theme: NEWS

Author/Opus: This is the 28th puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Standard Skyscrapers rules, using the integers 1-6. Also, each letter represents a different positive integer, for the solver to determine.

Difficulty: 4 stars

Time Standards (highlight to view): Grandmaster = 5:30, Master = 13:30, Expert = 27:00

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.

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to shift between number entry and shading modes.)

Theme: Multiples of 3

Author/Opus: This is the 27th puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Place the digits 1-7 (1-9 for the example) in some of the cells, so that no digit is repeated in any row or column. Numbers on the outside of the grid indicate the sums of adjacent digit groups in that row or column, in order. Each sum is separated by at least one unused cell.

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 4:00, Master = 8:45, Expert = 17:30

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

Note: Follow this link for other Japanese Sums puzzles.

PDF

or solve online (using our beta test of Penpa-Edit tools. Use left click to place mine, right click (in cell) to mark unused, right click (on edge/corner) to mark a note. If you want more solving options, turn off Penpa-Lite option.)

Theme: Ordered Diamonds

Author/Opus: This is the 26th puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Standard Minesweeper rules.

Difficulty: 1 star

Time Standards (highlight to view): Grandmaster = 1:00, Master = 1:45, Expert = 3:30

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

Note: Follow this link for classic Minesweeper puzzles on this website and this link for variations on Minesweeper puzzles. If you are new to this puzzle type, here are our easiest Minesweeper Puzzles to get started on. More Minesweeper puzzles can be found in The Art of Puzzles 2.

PDF

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

Theme: TomTom / 2

Author/Opus: This is the 25th puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Standard TomTom rules, using the integers 1-5.

Difficulty: 1 star

Time Standards (highlight to view): Grandmaster = 0:45, Master = 1:00, Expert = 2:00

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

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

PDF

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

Theme: Five Boxes

Author/Opus: This is the 24th puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Standard Statue Park rules. This puzzle uses a standard pentomino set.

Difficulty: 4 stars

Time Standards (highlight to view): Grandmaster = 6:00, Master = 8:30, Expert = 17:00

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

Note: Follow this link for other classic Statue Park and this link for Statue Park variations. If you are new to this puzzle type, here are our easiest Statue Parks to get started on. More Statue Park puzzles can be found in the ebook Statue Park by Murat Can Tonta.

PDF

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

Theme: Triplets

Author/Opus: This is the 24th puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Standard Skyscrapers rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:00, Master = 1:45, Expert = 3:30

Solution: 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.

This year, we have started to have some extra difficult Sunday Stumpers, about once a month. These will be quite tough puzzles, but with a logical path to be found (and solution videos to help). This third Sunday Stumper is a new Statue Park variation with a double set of pentominoes to place.

(view directly for a larger image)

PDF

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

Theme: GMP

Author/Opus: This is the 23rd puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Standard Statue Park rules. Also, there are some given cages with dashed lines. In each cage, exactly half of the total number of cells must be occupied by pentominoes.

See also this example:

Difficulty: 5 stars

Time Standards (highlight to view): Grandmaster = 30:00, Master = 40:00, Expert = 1:20:00

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

Note: Follow this link for other classic Statue Park and this link for Statue Park variations. If you are new to this puzzle type, here are our easiest Statue Parks to get started on. More Statue Park puzzles can be found in the ebook Statue Park by Murat Can Tonta.

PDF

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

Theme: Molecules

Author/Opus: This is the 22nd puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Standard Statue Park rules. This puzzle uses a double tetromino set.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:20, Master = 2:15, Expert = 4:30

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

Note: Follow this link for other classic Statue Park and this link for Statue Park variations. If you are new to this puzzle type, here are our easiest Statue Parks to get started on. More Statue Park puzzles can be found in the ebook Statue Park by Murat Can Tonta.

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line/edge drawing and a letter entry mode.)

Theme: WXY

Author/Opus: This is the 21st puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Standard Pentominous rules.

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 4:00, Master = 8:30, Expert = 17:00

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

Note: Follow this link for other Pentominous puzzles. If you are new to this puzzle type, here are our easiest Pentominous to get started on. More Pentominous puzzles can be found in the Plenty o’ Pentominous series by Grant Fikes and Murat Can Tonta and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to shift between shading mode and the composite Yajilin mode where left click marks cells, right click marks dots in cells or X’s on edges, left click+drag draws lines.)

Theme: Explosion

Author/Opus: This is the 20th puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Standard Tapa rules.

Difficulty: 2.5 stars

Time Standards (highlight to view): Grandmaster = 2:00, Master = 4:00, Expert = 8:00

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

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