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: Antisymmetry

Author/Opus: This is the 23rd puzzle from our contributing puzzlemaster Tom Collyer.

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 Standards (highlight to view): Grandmaster = 0:40, Master = 1:00, Expert = 2:00

Solution: PDF

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

All the puzzles from our TomTom week can be found in this PDF. For those who want a chance to win one of our books, check out the contest tied to my 200th puzzle here. Answers submitted before November 9th will be eligible for one of two prizes.

This next week will be a variety mix from five of our puzzlemasters. Highlight below to see the schedule:
Monday: Masyu by Tom Collyer
Tuesday: Battleships by Thomas Snyder
Wednesday: Nanro by Grant Fikes
Thursday: Cross the Streams by Prasanna Seshadri
Friday: Thermo-Sudoku by Thomas Snyder
Saturday: Fillomino (Cipher) by Palmer Mebane

The bonus puzzle for our high-level supporters will be a Pentominous by Grant Fikes.

Note: This puzzle is a contest puzzle. All correctly submitted answers (in the applet below the puzzle) before November 9th will be entered into the contest drawing. Two solvers will each get a Grandmaster Puzzles/Thomas Snyder puzzle book of their choice.

(view directly for a larger image)

PDF

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

Theme: 200th Puzzle Contest Spectacular

Author/Opus: This is the 200th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: To be determined by solver. (Edit: the full rules are now available on this post.)

Answer String: Enter the final answer as a single string of twelve capital letters.

Time Standards (highlight to view): Grandmaster = 20:00, Master = 35:00, Expert = 1:10:00

Solution: PDF

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

PDF

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

Theme: Windmill

Author/Opus: This is the 143rd puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard TomTom rules, using the integers 1-8.

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

Time Standards (highlight to view): Grandmaster = 6:15, Master = 10:00, Expert = 20:00

Solution: PDF; a solution video is available here.

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

PDF

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

Theme: Invaluable

Author/Opus: This is the 2nd puzzle from guest contributor John Bulten.

Rules: Standard TomTom rules, using the integers 1-5. Also, each cage must have a non-negative integer operation value (i.e., is equal to 0, 1, 2, 3, 4, …).

Answer String: Enter the 1st row from left to right followed by the 2nd row from left to right. Separate all rows with a comma.

Time Standards (highlight to view): Grandmaster = 3:15, Master = 7:00, Expert = 14:00

Solution: PDF

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

PDF

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

Theme: Clumps of Givens

Author/Opus: This is the 142nd puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard TomTom rules, using the integers 1-6.

Answer String: Enter the 3rd row from left to right followed by the 4th row from left to right. Separate the rows with a comma.

Time Standards (highlight to view): Grandmaster = 3:00, Master = 4:30, Expert = 9:00

Solution: PDF

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

PDF

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

Theme: Framed Star

Author/Opus: This is the 141st puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard TomTom rules, using the integers 1-6.

Answer String: Enter the 3rd row from left to right followed by the 4th row from left to right. Separate the rows with a comma.

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:45, Expert = 7:30

Solution: PDF

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

PDF

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

Theme: Clue Symmetry and Logic

Author/Opus: This is the 140th puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard TomTom rules, using the integers 1-6.

Answer String: Enter the 4th row from left to right followed by the 5th row from left to right. Separate the rows with a comma.

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

Solution: PDF

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

All the puzzles from the Golem Grad/Round Trip week can be found in this PDF.

Some of you have wondered, since my 199th submission several weeks ago, if I had any special plans for #200. Well, perhaps this week will reveal all? We have a set of TomTom puzzles and variations for you, including my long awaited 200th puzzle for this website.

The bonus puzzle for our high-level supporters will be a TomTom by Grant Fikes.

PDF

or solve online (using our beta test of Penpa-Edit tools; in default linex mode: left-click+drag draws line, right click marks X on edge)

Theme: To The Nines

Author/Opus: This is the 8th puzzle from guest contributor Craig Kasper.

Rules: Draw a single loop in the grid which may cross itself orthogonally, but otherwise does not touch or retrace itself. The clue numbers to the left/right of the rows indicate the number of squares visited by the nearest section of the loop that travels horizontally in the rows. The clue numbers to the top/bottom of the columns indicate the number of squares visited by the nearest section of the loop that travels vertically in the columns.

Also, see this example:

Answer String: Enter the number of empty squares for each row from top to bottom, followed by a comma, and then the number of turns for each row from top to bottom. This example has the key “100000,422224”.

Time Standards (highlight to view): Grandmaster = 4:45, Master = 7:00, Expert = 14:00

Solution: PDF

Note: Follow this link for other Round Trip puzzles. Some more Round Trip puzzles can be found in the book Loop Variety Collection by Ashish Kumar and Murat Can Tonta.