Archive for the ‘Puzzle’ Category:

Skyscrapers by Dan Katz

Skyscrapers by Dan Katz

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

Theme: Threes and Fours

Author/Opus: This is the 6th puzzle from guest contributor Dan Katz.

Rules: Standard Skyscrapers rules.

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

Time Standards (highlight to view): Grandmaster = 1:30, Master = 2:00, Expert = 4:00

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.

Skyscrapers (Possibilities) by Serkan Yürekli [Bonus]

Our master+ subscribers receive access to two bonus puzzles each week in addition to other rewards. We make these posts so those supporters have a space to comment on these puzzles, mark as FAVES, or log their solving. If you are interested in subscribing and seeing these bonus puzzles, click here for more info.

Skyscrapers by Serkan Yürekli

Theme: Clue Symmetry and Logic

Author/Opus: This is the 194th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Skyscrapers Rules. Also, clues outside the grid represent the only two possibilities for the number of the buildings that can be seen from the corresponding directions.

See also this example:

Skyscrapers by Serkan Yürekli

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 3rd column from top to bottom.

Time Standards (highlight to view): Grandmaster = 1:40, Master = 2:30, Expert = 5:00

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

Yajilin by Murat Can Tonta [Bonus]

Our master+ subscribers receive access to two bonus puzzles each week in addition to other rewards. We make these posts so those supporters have a space to comment on these puzzles, mark as FAVES, or log their solving. If you are interested in subscribing and seeing these bonus puzzles, click here for more info.

Yajilin by Murat Can Tonta

Theme: Two Heavy

Author/Opus: This is the 93rd puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Yajilin rules.

Answer String: Enter the length in cells of the horizontal loop segments from left to right in the marked rows, starting at the top. If the loop only has vertical segments in the marked row, enter 0. Separate each row’s entry with a comma.

Time Standards (highlight to view): Grandmaster = 6:30, Master = 11:15, Expert = 22:30

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

TomTom by Thomas Snyder

TomTom by Thomas Snyder

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

Theme: Repeats upon Repeats Upon Repeats

Author/Opus: This is the 311th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard TomTom rules, using the integers 1-9.

Answer String: Enter the 4th row from left to right followed by the 6th row from left to right. Separate the entries with a comma.

Time Standards (highlight to view): Grandmaster = 22:30, Master = 35:00, Expert = 1:10:00

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

Easter Egg, and not a puzzle spoiler (rot 13): Did you notice gung gur zvqqyr 3k3 vf nyfb n inyvq chmmyr, whfg abg bar jvgu n “ercrngf” gurzr? Vg’f GbzGbzf nyy gur jnl qbja.

Note: Follow this link for other classic TomTom. 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 Art of Puzzles.

Pentominous by John Bulten

Pentominous by John Bulten

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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: Five Chapters

Author/Opus: This is the 50th puzzle from our contributing puzzlemaster John Bulten.

Rules: Standard Pentominous rules.

Answer String: Enter the letter associated with the pentomino occupying each cell in the marked rows from left to right, separating the groups with a comma. Use CAPITAL LETTERS!

Time Standards (highlight to view): Grandmaster = 5:30, Master = 9:15, Expert = 18:30

Solution: PDF

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 Plenty o’ Pentominous by Grant Fikes and Murat Can Tonta.

Consecutive Sudoku by Fatih Kamer Anda

Consecutive Sudoku by Fatih Kamer Anda

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

Theme: Pi

Author/Opus: This is the 1st puzzle from guest contributor Fatih Kamer Anda.

Rules: Standard Consecutive Sudoku rules. Insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region). Some bars are in the grid; any two adjacent digits separated by a bar must be consecutive (i.e., differ by 1). All adjacent digits not separated by a bar cannot be consecutive.

Answer String: Enter the 6th row from left to right, followed by a comma, followed by the 9th column from top to bottom.

Time Standards (highlight to view): Grandmaster = 4:30, Master = 10:00, Expert = 20:00

Solution: PDF

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

Minesweeper (Numbered Statue Park) by Grant Fikes

Minesweeper by Thomas Snyder

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

Theme: Logical

Author/Opus: This is the 262th puzzle from our contributing puzzlemaster Grant Fikes.

Rules: (Combination of Minesweeper, Double Minesweeper, and Statue Park rules.)

Place each of the tetrominoes exactly once into the grid, with rotations and reflections allowed. No two tetrominoes can overlap or be orthogonally adjacent. Each cell in the tetrominoes is given a numeric value, and the numbered cells in the grid indicate the count of the values of the tetromino parts in all surrounding cells (including diagonally adjacent cells). Numbered cells cannot contain tetrominoes, and all of the space not occupied by tetrominoes including any numbered cells must be connected.

Answer String: For each cell in the marked rows, enter the total value of tetromino pieces present (1 or 2) for each filled cell and 0 for any numbered cell and any empty cell. Separate each row’s entry from the next with a comma. An example answer string is: “0220111102,0110220200,1102220102”.

Time Standards (highlight to view): Grandmaster = 3:45, Master = 5:15, Expert = 10:30

Solution: PDF

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.

Tapa by Prasanna Seshadri

Tapa by Prasanna Seshadri

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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: 1&2

Author/Opus: This is the 165th puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Standard Tapa rules.

Answer String: Enter the length in cells of each of the shaded segments from left to right for the marked rows, starting at the top. Separate each row’s entry from the next with a comma.

Time Standards (highlight to view): Grandmaster = 1:45, Master = 3:45, Expert = 7:30

Solution: PDF

Note: Follow this link for other Tapa variations and this link for classic Tapa. 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 and in Tapa and Variations, both by Serkan Yürekli.

Yajilin by Grant Fikes

Yajilin by Grant Fikes

PDF

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

Theme: Logic

Author/Opus: This is the 261st puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard Yajilin rules.

Answer String: Enter the length in cells of the horizontal loop segments from left to right in the marked rows, starting at the top. If the loop only has vertical segments in the marked row, enter 0. Separate each row’s entry with a comma.

Time Standards (highlight to view): Grandmaster = 0:40, Master = 1:00, Expert = 2:00

Solution: PDF

Note: Follow this link for other classic Yajilin. If you are new to this puzzle type, here are our easiest Yajilin to get started on. More Yajilin puzzles can be found in The Art of Puzzles 2, and in our beginner-friendly book Logic Puzzles 101.

Tapa by John Bulten [Bonus]

Our master+ subscribers receive access to two bonus puzzles each week in addition to other rewards. We make these posts so those supporters have a space to comment on these puzzles, mark as FAVES, or log their solving. If you are interested in subscribing and seeing these bonus puzzles, click here for more info.

Tapa by John Bulten

Theme: Almost Antisymmetric

Author/Opus: This is the 49th puzzle from our contributing puzzlemaster John Bulten.

Rules: Standard Tapa rules.

Answer String: Enter the length in cells of each of the shaded segments from left to right for the marked rows, starting at the top. Separate each row’s entry from the next with a comma.

Time Standards (highlight to view): Grandmaster = 2:45, Master = 4:30, Expert = 9:00

Note: Follow this link for other Tapa variations and this link for classic Tapa. 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 and in Tapa and Variations, both by Serkan Yürekli.