PDF

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

Theme: Prime Numbers

Author/Opus: This is the 125th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Place a digit from 1-4 (1-3 in the example) into some cells so that each digit appears exactly once in each row and column. Numbers outside the grid indicate the sum of all numbers appearing in the corresponding rows and columns. (Digits in adjacent cells are combined to form multi-digit numbers.)

Answer String: Enter the 5th row from left to right, followed by a comma, followed by the 6th column from top to bottom. Use a capital X for empty cells.

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

Solution: PDF

Note: Follow this link for other less common Number Placement puzzles.

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: Clue Symmetry and Logic

Author/Opus: This is the 124th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Variation of Tapa rules. The clue numbers now refer to the groups of unshaded segments around that cell. Cells with numbers count as unshaded cells for adjacent clues. All other rules for the shaded Tapa are the same as usual.

Or see here:

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 = 2:00, Master = 3:15, Expert = 6:30

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.

PDF

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.

PDF

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

Theme: Clue Symmetry and Logic (for patron Phleb)

Author/Opus: This is the 122nd puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Sudoku rules. Also, identical digits cannot be in diagonally-adjacent cells.

Answer String: Enter the 1st 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 = 12:00, Expert = 24:00

Solution: PDF

Note: Follow this link for other 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.

PDF

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

Theme: Rowing Race (for patron Chris Green)

Author/Opus: This is the 121st puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Variation of Yajilin rules. Numbers indicate sum of black squares in both directions pointed to by arrows.

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 = 4:45, Master = 12:45, Expert = 25:30

Solution: PDF

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

PDF

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

Theme: R is for Randy (for patron Randy Rogers)

Author/Opus: This is the 120th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Kakuro Rules. Also, some cells may remain empty but empty cells cannot share an edge with other empty cells.

Answer String: Enter the values in each white cell in the marked rows from left to right, separating the rows with a comma. Enter a capital X for any blank white cells, and ignore all black cells.

Time Standards (highlight to view): Grandmaster = 4:30, Master = 5:45, Expert = 11:30

Solution: PDF; a solution video is available here.

Note: Follow this link for other Kakuro puzzles.

(View image directly for larger form.)

PDF

or solve online (using our beta test of Penpa-Edit tools in linex mode where left click+drag draws lines and right click marks X’s)

Theme: 24 Hours (for patron TheSubro)

Author/Opus: This is the 119th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Connect each pair of identical numbers with a path passing through edge-adjacent cells. No cell may be used on more than one path.

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

Time Standards (highlight to view): Grandmaster = 2:30, Master = 3:30, Expert = 7:00

Solution: PDF

Note: Follow this link for other Loop/Path puzzles.

PDF

or solve online (using our beta test of Penpa-Edit tools in a composite mode for line/edge drawing)

Theme: Logical

Author/Opus: This is the 118th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: In this puzzle, the symbols represent a Rock Paper Scissors game (as expected: rock beats scissors, scissors beats paper, paper beats rock). Divide the grid into connected regions so that every cell belongs to one region and each region contains exactly two kinds of symbols. In each region there must be only one “winning” symbol and two or more “losing” symbols.

Or see this example:

Answer String: (similar to Fillomino): For each cell in the marked rows, enter the area of the region it belongs to. Enter just the last digit for any two-digit number, and separate the rows by a comma.

Time Standards (highlight to view): Grandmaster = 6:30, Master = 7:45, Expert = 15:30

Solution: PDF

PDF

or solve online (using our beta test of Penpa-Edit tools in a composite mode for line/edge drawing)

Theme: Logical

Author/Opus: This is the 117th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: In this puzzle, the symbols represent a Rock Paper Scissors game (as expected: rock beats scissors, scissors beats paper, paper beats rock). Divide the grid into connected regions so that every cell belongs to one region and each region contains exactly two kinds of symbols. In each region there must be only one “winning” symbol and two or more “losing” symbols.

Or see this example:

Answer String: (similar to Fillomino): For each cell in the marked rows, enter the area of the region it belongs to. Enter just the last digit for any two-digit number, and separate the rows by a comma.

Time Standards (highlight to view): Grandmaster = 3:15, Master = 7:00, Expert = 14:00

Solution: PDF

PDF

or solve online (using our beta test of Penpa-Edit tools in a composite mode for line/edge drawing)

Theme: Logical

Author/Opus: This is the 116th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: In this puzzle, the symbols represent a Rock Paper Scissors game (as expected: rock beats scissors, scissors beats paper, paper beats rock). Divide the grid into connected regions so that every cell belongs to one region and each region contains exactly two kinds of symbols. In each region there must be only one “winning” symbol and two or more “losing” symbols.

Or see this example:

Answer String: (similar to Fillomino): For each cell in the marked rows, enter the area of the region it belongs to. Enter just the last digit for any two-digit number, and separate the rows by a comma.

Time Standards (highlight to view): Grandmaster = 1:15, Master = 2:30, Expert = 5:00

Solution: PDF