Fillomino by Murat Can Tonta

Fillomino by Murat Can Tonta

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: Cross (32 Dice)

Author/Opus: This is the 133rd puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Fillomino rules.

Answer String: For each cell in the marked rows/columns, enter the area of the polyomino it belongs to. Enter just the last digit for any two-digit number. Start with the 6th row, followed by a comma, followed by the 10th row.

Time Standards (highlight to view): Grandmaster = 3:45, Master = 6:00, Expert = 12:00

Solution: PDF; a solution video is also available here.

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. More Fillomino puzzles can be found in The Art of Puzzles, in Fill o’ Fillomino and Fill o’ Fillomino 2 by Grant Fikes, and in our beginner-friendly book Logic Puzzles 101.

Battleships (Digital) by Serkan Yürekli

Battleships (Digital) by Serkan Yürekli

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: First 100 of Pi

Author/Opus: This is the 249th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Variation of standard Battleships rules. Locate the indicated fleet in the grid. Each segment of a ship occupies a single cell. Ships can be rotated. Ships do not touch each other, even diagonally. The clues on the right and bottom edges of the grid reveal the sum of the digits in each of the ship segments that appear in that row or column.

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 = 3:14, Master = 5:00, Expert = 10:00

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 Battleships and Variations, in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

LITS by John Bulten

LITS by John Bulten

PDF

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

Theme: Pi Again (see John’s puzzle from last year)

Author/Opus: This is the 64th puzzle from our contributing puzzlemaster John Bulten.

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 = 1:40, Master = 3:14, Expert = 6:28

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, in The Art of Puzzles 2, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Pentopia by Bryce Herdt

Pentopia by Bryce Herdt

PDF

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

Theme: Back and Forth

Author/Opus: This is the 13th puzzle from guest contributor Bryce Herdt.

Rules: Standard Pentopia rules: Place some of the given pentominoes in the grid so that no pentominoes are in adjacent cells that share an edge or corner. Pentominoes cannot repeat in the grid; rotations and reflections of a pentomino are considered the same shape. The arrow clues indicate all the directions (up, down, left, and right) where the nearest pentominoes are located when looking from that square. (Arrow clues cannot contain pentomino shapes.) Also, see this example:

Pentopia by Prasanna Seshadri

Answer String: Enter the length in cells of each of the shaded pentomino 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 = 2:45, Master = 4:00, Expert = 8:00

Solution: PDF

Note: Follow this link for more Pentopia puzzles and this link for other puzzles involving Pentominoes.

Smashed Sums by Michael Tang

Smashed Sums by Michael Tang

PDF

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

Theme: Binary

Author/Opus: This is the 1st puzzle from guest contributor Michael Tang. You can find more puzzles from Michael on the blog mstang’s puzzles.

Rules: Fill each row and column of the grid with the digits 1 to 5 and two blackened cells. Numbers outside the grid indicate the sum of the digits between the two blackened cells in that row or column. Blackened cells are allowed to touch. Or see here.

Answer String: Enter the 5th row from left to right, followed by a comma, followed by the 7th row from left to right. Use an X (capital letter) for each blackened square.

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

Solution: PDF

Note: Follow this link for other less common Number Placement puzzles.

Star Battle by Murat Can Tonta

Star Battle by Murat Can Tonta

PDF

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

Theme: Easy as LITS

Author/Opus: This is the 132nd puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Star Battle rules. Two stars per row, column, and 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 = 1:00, Master = 1:20, Expert = 2:40

Solution: PDF

Note: Follow this link for other classic Star Battles. If you are new to this puzzle type, here are our easiest Star Battles to get started on. More Star Battle puzzles can be found in The Art of Puzzles and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Masyu by Grant Fikes [Bonus]

Our master+ subscribers receive access to two bonus puzzles each week in addition to other rewards. We make these posts so those supporters have a space to comment on these puzzles, mark as FAVES, or log their solving. If you are interested in subscribing and seeing these bonus puzzles, click here for more info.

Masyu by Grant Fikes

Theme: Logical

Author/Opus: This is the 296th puzzle from our contributing puzzlemaster Grant Fikes.

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 = 0:45, Master = 1:00, Expert = 2:00

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

Schedule for Next Week

Our most recent mix of Sudoku puzzles is in this PDF.

This coming week is a variety mix of puzzles across several styles, including some fun guest contributions. Our subscribers will also be receiving a bonus Masyu by Grant Fikes and a Tapa by Prasanna Seshadri, access to puzzle solutions and a puzzle walkthrough video. If you want to become a subscriber and get access to bonus puzzles, solutions, e-books, and other rewards, check out this page.

Thermo-Sudoku by Thomas Snyder [Bonus]

Our master+ subscribers receive access to two bonus puzzles each week in addition to other rewards. We make these posts so those supporters have a space to comment on these puzzles, mark as FAVES, or log their solving. If you are interested in subscribing and seeing these bonus puzzles, click here for more info.

Thermo-Sudoku by Thomas Snyder

Theme: 3/3

Author/Opus: This is the 336th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Thermo-Sudoku rules.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 6th row from left to right.

Time Standards (highlight to view): Grandmaster = 5:15, Master = 11:00, Expert = 22:00

Note: Follow this link for more Thermo-Sudoku puzzles. If you are new to this puzzle type, here are our easiest Thermo-Sudoku to get started on.

Tight Fit Sudoku (Unique Pairs) by Chris Green

Tight Fit Sudoku by Chris Green

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between Sudoku = big digits and Number candidate = small entries in the corners of cells.)

Theme: Sweeping Diagonals

Author/Opus: This is the 9th puzzle from guest contributor Chris Green.

Rules: Standard Tight Fit Sudoku rules. Also, looking across all of the Tight Fit cells in both grids, each Tight Fit cell must have a unique pair of digits.

Answer String: In the top grid, enter the 1st row from left to right, followed by a comma, followed by the 4th row from left to right; then, after another comma, in the bottom grid enter the 4th row from left to right, followed by a comma, followed by the 6th row from left to right. (Note: for the tight fit cells, enter the top before the bottom as would be normal for the read order.)

Time Standards (highlight to view): Grandmaster = 11:15, Master = 20:00, Expert = 40:00

Solution: PDF

Note: Follow this link for other Tight Fit Sudoku puzzles on this website. If you are new to this puzzle type, here are our easiest Tight Fit Sudoku to get started on. More Tight Fit Sudoku can be found in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli and in The Art of Sudoku 2.