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Theme: Going Up Again?

Author/Opus: This is the 252nd puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Variation of Skyscrapers rules. The numbers outside the grid represent the sum of the buildings seen in the row or column. For example, if a row is 12534, the clue from the left would be an 8 (1+2+5) and from the right would be a 9 (4+5).

Answer String: Enter the 3rd row from left to right, followed by a comma, followed by the 4th row from left to right.

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

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.

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

Theme: The Clueless Center (for patron Veep)

Author/Opus: This is the 123rd puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Skyscrapers rules. The grid is made of 9 overlapping 5×5 Skyscrapers puzzles. The clue cells shared between grids must see the same number of buildings (i.e., you should fill in all interior gray cells with clue numbers as these are used by two grids).

Answer String: Enter the fifteen digits (in the white cells) within the marked rows from left to right, separating the two rows with a comma.

Time Standards (highlight to view): Grandmaster = 20:00, Master = 35:00, Expert = 1:10:00

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.

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Theme: Logical (inspired by a 2015 USPC puzzle by Craig Kasper)

Author/Opus: This is the 2nd puzzle from guest contributor Dan Katz.

Rules: Enter the digits 1, 3, 5, 7, 9 into the grid so that each digit (and one empty square) appears exactly once in each row and column. Numbers outside the grid are either Easy as ABC or Skyscraper clues: either the clue is the first digit that appears in the corresponding row or column from the direction of the clue, or it is the number of digits in the corresponding row or column that can be “seen” from that direction (higher digits block the view of lower digits).

Answer String: Enter the letters in the marked rows in order from left to right, separating each row’s entry with a comma. Use a capital X for empty cells.

Time Standards (highlight to view): Grandmaster = 5:00, Master = 8:45, Expert = 17:30

Solution: PDF

Note 1: This puzzle is much harder than a usual Tuesday puzzle.

Note 2: 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.

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Theme: Logical

Author/Opus: This is the 81st puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Standard Skyscrapers rules.

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 7th row from left to right.

Time Standards (highlight to view): Grandmaster = 5:15, Master = 7:45, Expert = 15:30

Solution: PDF

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

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Theme: Middle Numbers (Originally for the 2015 Polish Puzzle Championship Online Qualifier)

Author/Opus: This is the 29th puzzle from our contributing puzzlemaster Tom Collyer.

Rules: Standard Skyscrapers rules.

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

Time Standards (highlight to view): Grandmaster = 9:00, Master = 18:00, Expert = 36:00

Solution: PDF; a solution video is available here.

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

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

Theme: 2014 to 2015

Author/Opus: This is the 213th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Variant of Skyscrapers rules. Each clue represents the sum of the heights of the visible buildings in that direction. For example, if a row is 12534, the clue from the left would be an 8 (1+2+5) and from the right would be a 9 (4+5).

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 6th row from left to right.

Time Standards (highlight to view): Grandmaster = 3:15, Master = 4:45, Expert = 9:30

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.

PDF

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

Theme: Logical

Author/Opus: This is the 152nd puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard Skyscrapers rules.

Answer String: Enter the 5th row from left to right, followed by a comma, followed by the 4th column from top to bottom.

Time Standards (highlight to view): Grandmaster = 2:45, Master = 4:00, Expert = 8:00

Solution: PDF

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

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between Sudoku = big digits and Number candidate = small entries in the corners of cells.)

Theme: Logical

Author/Opus: This is the 2nd puzzle from guest contributor Robert Vollmert. You can find more Fractional Skyscrapers, including an example, on his blog.

Rules: Variation of Skyscrapers. Place a digit from 1 to 6 into each cell (including one digit in each half of the split cells) so that no digit repeats in any row or column. The building heights in the split cells are evaluated as fractions (e.g. 5/2 = 2.5) when considering their heights. A building hides all other buildings behind it that are the same height or lower in height.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 3rd row from left to right. Enter the split cells in the order they are seen from the left (the upper triangle = numerator before the lower triangle = denominator).

Time Standards (highlight to view): Grandmaster = 4:15, Master = 8:00, Expert = 16:00

Solution: PDF

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.

PDF

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

Theme: Logical

Author/Opus: This is the 138th puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard Skyscrapers rules.

Answer String: Enter the 3rd row from left to right, followed by a comma, followed by the 5th row from left to right.

Time Standards (highlight to view): Grandmaster = 3:30, Master = 4:30, Expert = 9:00

Solution: PDF

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

PDF

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

Theme: Fourteen Squares?

Author/Opus: This is the 126th puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Variant of Skyscrapers rules. The numbers outside the grid represent the sum of the buildings seen in that row or column. For example, if a row is 1273456, the clue from the left would be an 10 (1+2+7) and from the right would be a 13 (6+7).

Answer String: Enter the 3rd row from left to right, followed by a comma, followed by the 5th row from left to right.

Time Standards (highlight to view): Grandmaster = 3:45, Master = 7:30, Expert = 15:00

Solution: PDF; a solution video is 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.