Cave (Diagonal) by Prasanna Seshadri

Cave (Diagonal) by Prasanna Seshadri

PDF

Theme: Clue Symmetry and Logic (for patron Veep)

Author/Opus: This is the 125th puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Variation of Cave. Number clues give the total count of cells connected diagonally to a numbered cell including the cell itself. Also, there can be no 2×2 area fully inside the cave.

Cave (Diagonal) Example by Thomas Snyder

Answer String: Enter the length in cells of each of the cave 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 = 4:15, Master = 5:45, Expert = 11:30

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

Yajilin by John Bulten

Yajilin by John Bulten

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PDF

Theme: Phi (for patron TheSubro)

Author/Opus: This is the 17th puzzle from our contributing puzzlemaster John Bulten.

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 = 3:30, Master = 4:45, Expert = 9:30

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.

Nurikabe by Thomas Snyder

Nurikabe by Thomas Snyder

PDF

Theme: DC (for patron Daniel Cohen)

Author/Opus: This is the 247th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Nurikabe rules.

Answer String: Enter the length in cells of each of the black segments (the unnumbered, connected “ocean”) 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 = 2:15, Master = 3:45, Expert = 7:30

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

Schedule for Next Week

Our second “Patron Week” of the year is coming up with challenges requested by our supporters. The week has a fun mix of classics and variations but be aware that the difficulty is higher than usual.
Monday: Nurikabe by Thomas Snyder
Tuesday: Yajilin by John Bulten
Wednesday: Cave (Diagonal) by Prasanna Seshadri
Thursday: Word Connection by Serkan Yürekli
Friday: Masyu (Regional) by Prasanna Seshadri
Saturday: Easy as Kakuro by Serkan Yürekli

Our patrons will also be receiving a bonus Pentominous by Grant Fikes, access to puzzle solutions, and a video walkthrough of the Friday puzzle. If you’d like to receive some of these special rewards, please become one of our patrons on Patreon.

Update

The most recent week of puzzles from Serkan Yürekli and Murat Can Tonta can be found in this PDF.

It is taking longer than expected to edit our next “Patron Week” of puzzles, including a giant Saturday puzzle that will take a long time to solve. So it will be one more week before new puzzles are posted here, but it will be worth the wait.

Star Battle (Small Regions) by Serkan Yürekli [Patron Bonus]

We are now making posts for our bonus puzzles, so that people have a space to comment on these puzzles, mark as FAVES, or log their solving. If you are interested in receiving an extra puzzle each week, become a patron at the Master level or above at Patreon.

Star Battle by Serkan Yürekli

Theme: Tetromino Border

Author/Opus: This is the 110th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Variation of Star Battle rules. There are two stars per row and column, but only one star per region.

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

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

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

Tapa (Loop) by Murat Can Tonta

Tapa by Murat Can Tonta

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PDF

Theme: Powers of Two

Author/Opus: This is the 36th puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Variation of Tapa. All the cells in the Tapa must form a single closed loop without any crossings or intersections.
See also this example:

Example by Serkan Yürekli

Answer String: Enter the length in cells of each of the shaded segments (Not the loop 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 = 6:30, Master = 11:00, Expert = 22:00

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.