Archive for the ‘Puzzle’ Category:

From the Foxger’s Den #60: Slitherlink

Slitherlink by Grant Fikes

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: Framed

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 = 1:00, Master = 1:45, Expert = 3:30

Solution: PDF

Dr. Sudoku Prescribes #136 – Even/Odd Sudoku

Sudoku by Thomas Snyder

PDF

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

Theme: Rope

Rules: Standard Even/Odd Sudoku rules (i.e., cells with a square contain an even digit; cells with a circle contain an odd digit).

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 4th row from left to right.

Time Standards (highlight to view): Grandmaster = 0:50, Master = 1:15, Expert = 2:30

Solution: PDF

Note: Follow this link for more Even/Odd Sudoku puzzles. If you are new to this puzzle type, here are our easiest Even/Odd Sudoku to get started on. More Even/Odd Sudoku puzzles can be found in The Art of Sudoku 2.

This is a Melon puzzle. (11 – Tapa)

Tapa by Palmer Mebane

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: Logical

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 = 5:00, Master = 7:45, Expert = 15:30

Solution: PDF

The Puzzle Robot #14 – Skyscraper Blocks

Skyscrapers by Serkan Yürekli

PDF

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

Theme: Clue Symmetry and Logic

Rules: Variation of Skyscrapers rules. Place digits 1-6 into the grid so that no digit is repeated within a row or column. Digits outside the grid indicate the number of buildings that can be seen from the corresponding direction. The buildings form two-digit numbers and the relations between some numbers are shown with a greater than/less than sign.

Or, see here.

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

Time Standards (highlight to view): Grandmaster = 5:15, Master = 7:30, Expert = 15:00

Solution: PDF

The Puzzle Robot #13 – BACA

BACA by Serkan Yürekli

PDF

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

Theme: Trapped in A box

Rules: Either shade or add a single letter (A, B, or C) to each square so that each row and column contains exactly one A, one B, one C, and the rest shaded squares. Cells in the grid already marked with a letter can be shaded or remain unchanged.

Letters outside the grid indicate the first letter seen from that direction.

Numbers outside the grid describe the size of groups of consecutive shaded squares in that row or column in order. There must be at least one unshaded square between groups.

Or, see here.

Answer String: Enter the number of the column where the B is placed in each row, starting with the top row and proceeding to the bottom.

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

Solution: PDF

Dr. Sudoku Prescribes #135 – Sudo-Kurve

Sudo-Kurve by Thomas Snyder

PDF

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

Theme: Corners

Rules: Standard Sudo-Kurve rules.

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

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

Solution: PDF

Dr. Sudoku Prescribes #134 – Slitherlink (Sheep and Wolves)

Slitherlink by Thomas Snyder

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: Unfriendly Neighbors

Rules: Standard Slitherlink rules. Also, there are some sheep (marked S) that must be inside the loop and some wolves (marked W) that must be outside the loop.

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

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:00, Expert = 6:00

Solution: PDF

From the Foxger’s Den #59: Fillomino

Fillomino by Grant Fikes

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 number entry mode.)

Theme: 28 dice again: opus #5 in Grant’s series with just 28 “dice” givens.

Rules: Standard Fillomino rules.

Answer String: For each cell in the marked rows/columns, enter the area of the polyomino it belongs to. Start with the 5th row, followed by a comma, followed by the 6th row.

Time Standards (highlight to view): Grandmaster = 1:20, Master = 2:00, Expert = 4:00

Solution: PDF

Note: Follow this link for other classic Fillomino and this link for more variations on Fillomino puzzles. If you are new to this puzzle type, here are our easiest Fillomino puzzles to get started on.

This is a Melon puzzle. (10 – Yajilin)

Yajilin by Palmer Mebane

View image directly for a larger form.

PDF

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

Theme: Logic

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 = 12:00, Master = 22:30, Expert = 45:00

Solution: PDF

From the Foxger’s Den #58: Battleships (Nansuke)

Battleships by Grant Fikes

PDF

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

Theme: Logical

Rules: Hybrid of Battleships and Criss-Cross (Nansuke) puzzles:

Place the given fleet into the grid so that no two ships touch, even diagonally. In the remaining unused cells, place the given numbers criss-cross style so that they can be read from left to right or from top to bottom. All possible entries with two or more connected digits are given.

Answer String: Entry the contents of the two marked columns from top to bottom, using a capital X for any cell with a ship segment.

Time Standards (highlight to view): Grandmaster = 4:00, Master = 10:30, Expert = 21:00

Solution: PDF