PDF

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

Theme: Not Your Standard 6×6 Sudoku! An homage to my favorite (10×10) puzzle from the original “Udoku” set of Deficit Sudoku by Wei-Hwa Huang.

Rules: Standard Deficit Sudoku rules, with numbers from 1-7.

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

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

Solution: PDF

PDF

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

Theme: Parquet

Rules: Standard Slitherlink rules.

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

Time Standards (highlight to view): Grandmaster = 0:45, Master = 1:15, Expert = 2:30

Solution: PDF

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between number placement, ship placement, and shading modes. The shading mode in gray, which numbers can be written on top of, may work better than default ship placement.)

Theme: Even Steven; the fleet has only certain kinds of numbers.

Rules: Standard Battleship Sudoku rules.

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

Time Standard: Battleship Sudoku Grandmaster = 1:30, Master = 2:15, Expert = 4:30

Solution: PDF

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between ship placement and shading modes. In ship placement mode, right click gives sea, left click gives circle/square, left click and drag for rounded ships.)

Theme: Rising or Falling? Patterned digits in the rows.

Rules: Standard Battleships rules.

Answer String: For each row from top to bottom, enter the number of the first column from the left where a ship segment appears. If the row is empty, enter 0. Enter these numbers as a single string with no separators.

Time Standard: Battleships Grandmaster = 1:00, Master = 1:30, Expert = 3:00

Solution: PDF

PDF

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

Theme: A simple start: a Sudo-Kurve with just three regions.

Rules: Standard Sudo-Kurve rules.

Answer String: Enter the “row” marked A, followed by a comma, followed by the “row” marked B.

Time Standard: Sudo-Kurve Grandmaster = 0:45, Master = 1:20, Expert = 2:40

Solution: PDF

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: A little of everything — clues from 1 to 8 exist in value-mirrored (9-x) symmetric locations throughout the middle of the grid.

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 Standard: Tapa Grandmaster = 0:45, Master = 1:15, Expert = 2:30

Solution: PDF

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between Sudoku entry modes and a shading mode to mark off clues.)

Theme: Four Nonets

Rules: Standard Outside Sudoku rules.

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

Time Standard: Outside Sudoku Grandmaster = 2:15, Master = 3:00, Expert = 6:00

Solution: PDF

PDF

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

Theme: A little of everything — the rows have clues from 1 to 6.

Rules: Standard Skyscrapers rules.

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

Time Standard: Skyscrapers Grandmaster = 1:00, Master = 1:45, Expert = 3:30

Solution: PDF

PDF

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

Theme: Hashtag Fun? A consecutive sudoku with a large # in the middle.

Rules: Standard Consecutive Sudoku rules.

Answer String: Enter the 5th row from left to right, followed by a comma, followed by the 7th row from left to right.

Time Standard: Consecutive Sudoku Master = 2:00, Expert = 6:00, Novice = 20:00

Solution: PDF

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: Our 25th prescription! Enjoy this easy Masyu puzzle.

Rules: Standard Masyu 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 Standard: Masyu Master = 0:30, Expert = 1:30, Novice = 5:00

Solution: PDF