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.

Our recent Colossal Cave Collection week can be found in this PDF.

This week features a mix of guest contributions to the website. We get a lot of great submissions every year, and think you’ll enjoy the selections we have for you this time.

Monday: Slitherlink by Walker Anderson
Tuesday: Fillomino by Izak Bulten
Wednesday: Balance Loop by Bryce Herdt
Thursday: Country Road by Bryce Herdt
Friday: Cave by Walker Anderson
Saturday: Sum Star by Dan Adams

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

Our last week of puzzles, including Balance Loop and Tapa (Islands), can be found in this PDF.

This week marks a new paperback book release for us. The Colossal Cave Collection by Roger Barkan, which has been in our e-store for several months, is now available in print at Amazon, Barnes and Noble, and other fine retailers. We’ll be posting some puzzles from the book, as well as one special new variation from Roger, throughout the week.

We are planning to release Logic Puzzles 101 and then The Art of Puzzles in paperback form this February and March. Besides print versions of existing titles, we are on track to release ~12 e-books this year. This weekend our grandmaster patrons received an early release of the first section (Yajilin and Double Yajilin) from The Art of Puzzles 2: Double Trouble. The e-book will be in our store soon, but if you want to be sure to get all our e-books early then please click here for more info.

Our first week of puzzles from 2017 can be found in this PDF.

This week will feature two “mini-weeks” with these variations: Balance Loop, and Tapa (Islands). The puzzles are harder than usual (probably starting at mid-week difficulty).

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