PDF

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

Theme: Increasing Series

Author/Opus: This is the 267th puzzle from Thomas Snyder, aka Dr. Sudoku.

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 = 7:30, Master = 14:15, Expert = 28:30

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. More Skyscrapers puzzles can be found in The Art of Puzzles.

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to shift between shading mode and the linex mode where left click+drag draws lines and right click marks X’s)

Theme: Diamonds

Author/Opus: This is the 266th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Cave rules.

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 = 3:30, Master = 5:15, Expert = 10:30

Solution: PDF

Note: Follow this link for other classic Caves. If you are new to this puzzle type, here are our easiest Cave Puzzles to get started on. More Cave puzzles can be found in The Art of Puzzles and in Roger Barkan’s Colossal Cave Collection.

PDF

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

Theme: Waves

Author/Opus: This is the 265th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard LITS 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 = 1:45, Master = 2:30, Expert = 5:00

Solution: PDF

Note: Follow this link for other classic LITS. If you are new to this puzzle type, here are our easiest LITS to get started on. More LITS puzzles can be found in LOTS O’ LITS by Grant Fikes and Prasanna Seshadri.

The recent week of puzzle variations from six of our puzzlemasters can be found in this PDF.

This upcoming week is an unofficial mini-week with some of my “leftovers” that didn’t fit perfectly into the projects I initially wrote them for. Each is a little different, and a couple are very hard with fairly narrow solving paths; I hope you enjoy them.

The full schedule is:
Monday: LITS by Thomas Snyder
Wednesday: Cave by Thomas Snyder
Friday: Skyscrapers by Thomas Snyder
Saturday: TomTom by Thomas Snyder

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: Today’s Puzzle (3/21/2017)

Author/Opus: This is the 264th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Battleships rules. Use the indicated fleet.

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

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

Solution: PDF

Note: Follow this link for other classic Battleships. If you are new to this puzzle type, here are our easiest Battleships to get started on. More Battleships puzzles can be found in The Art of Puzzles collection.

The recent week of Tapa Variations by Serkan Yürekli can be found in this PDF.

This upcoming week features puzzles from six different GMPuzzles puzzlemasters, with a mini-theme connecting three of the puzzles based on Battleships. The full schedule is:

Monday: Pentominous by Murat Can Tonta
Tuesday: Battleships by Thomas Snyder
Wednesday: Yajilin-Battleships by Serkan Yürekli
Thursday: Killer Sudoku by Grant Fikes
Friday: Tapa-Like Loop by Prasanna Seshadri
Saturday: Starship Battle by Carl Worth

Our supporters will also be receiving a bonus Minesweeper by John Bulten, access to puzzle solutions, and a video walkthrough of the Saturday puzzle. If you’d like to receive some of these special rewards, please click here for more info.

Note: We’re busy finalizing the US round for the Puzzle Grand Prix competition so we will probably be taking one or two weeks off before the next set of puzzles is posted.

Last week’s combination of Masyu and Fillomino puzzles can be found in this PDF.

This upcoming week features some puzzle variations from Serkan Yürekli, specifically six Tapa variations chosen from the top styles from Serkan’s Tapa Variations Contests. There are many interesting puzzles this week, just as you’d expect from the author of the Classic Puzzles and Variations series.

Our supporters will also be receiving a bonus Pentapa by Serkan, access to puzzle solutions, and a video walkthrough of one of the puzzles. If you’d like to receive some of these special rewards, please click here for more info.

The most recent Patrons’ week of puzzles can be found in this PDF.

This upcoming week brings together classic puzzle and variations in two genres: Masyu and Fillomino. Our supporters will also be receiving a bonus Pentominous by Murat Can Tonta, access to puzzle solutions, and a video walkthrough of the Saturday puzzle. please click here for more info.

Also, check back here towards the end of the week for a special puzzle from Prasanna Seshadri.

PDF

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

Theme: JH (for Jamie Hargrove)

Author/Opus: This is the 263rd puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Variation of LITS. Shade exactly four cells in each outlined region to form an S, L, I, C, or Y tetrahex. When all regions have been shaded, the following conditions must be true:
1) All shaded cells will be connected through a network of adjacent shaded cells;
2) No three shaded cells will share a common vertex;
3) When two tetrahexes share an edge in adjacent regions, they must not be the same type (S, L, I, C, or Y), regardless of potential rotations or reflections.

Answer String: Enter the length in cells of each of the shaded segments from lower left to upper right for the marked rows. Separate each row’s entry from the next with a comma.

Time Standards (highlight to view): Grandmaster = 4:45, Master = 8:00, Expert = 16:00

Solution: PDF

Note: Follow this link for more variations of LITS and this link for classic LITS. If you are new to this puzzle type, here are our easiest LITS to get started on. More LITS puzzles can be found in LOTS O’ LITS by Grant Fikes and Prasanna Seshadri.

Our last week of puzzles from guest contributors can be found in this PDF.

This upcoming week is another “Patrons’ week”, featuring requested puzzle styles from our top patrons. As usual for these patrons’ weeks, the difficulty is on the higher end.

Monday: Tapa (Borders) by Murat Can Tonta
Tuesday: Castle Wall by Prasanna Seshadri
Wednesday: Fillomino by Grant Fikes
Thursday: SLICY by Thomas Snyder
Friday: Arrow/Shape/Thermo-Sudoku by Prasanna Seshadri
Saturday: Japanese Sums by Serkan Yürekli

Our supporters will also be receiving a bonus LITS by Carl Worth, access to puzzle solutions, and a written walkthrough of the Saturday puzzle. If you’d like to receive some of these special rewards, please click here for more info.

PS: Our webmaster has been working on the solver widget and it looks like it may be back online again. Please tell us if you are having any issues with the widget and, if so, what browsers you are using. You might have to clear your cache or do a hard refresh (Ctrl+F5) to see the updated widget.