PDF

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

Theme: Downward Spiral

Author/Opus: This is the 429th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Sudoku rules: Insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region.

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 4:15, Master = 5:45, Expert = 11:30

Solution: PDF and solving video.

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

PDF

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

Theme: Square Dance

Author/Opus: This is the 428th puzzle from Thomas Snyder, aka Dr. Sudoku.

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

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:40, Master = 2:30, Expert = 5:00

Solution: PDF and solving video.

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

Our most recent week of Nanro puzzles is collected together in this PDF and the solutions are in this PDF. You can find more Nanro puzzles in our e-store.

The daily puzzle “talkthrough” videos are on the posts and linked below.

Our next week of puzzles looks back at our Starter Pack series, with a new puzzle in each of the styles from the first five books, and then has a Jigsaw Sudoku from me as a teaser for volume 6 that is still being worked on.

Our most recent week of Sudoku puzzles and variations is collected together in this PDF and the solutions are in this PDF. You can find more Sudoku puzzles in our e-store.

The daily “speed solve + talkthrough” videos are on the posts and linked below.

Our next week of puzzles features Nanro puzzles including three variations.

PDF

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

Theme: Blossom

Author/Opus: This is the 427th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Arrow Sudoku rules.

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 4:30, Master = 8:45, Expert = 17:30

Solution: PDF and solving video.

Note: Follow this link for more Arrow Sudoku. If you are new to this puzzle type, here are our easiest Arrow Sudoku to get started on. More Arrow Sudoku puzzles can be found in The Art of Sudoku 2 and Masterpiece Sudoku Mix 3.

Our most recent week of Kuromasu and Spiral Galaxies puzzles is collected together in this PDF and the solutions are in this PDF.

You can find more Spiral Galaxies and Kuromasu puzzles in our e-store.

The daily solution videos are on the posts and linked below. We’re continuing with “speed-solving” and paper notation commentaries this week, so please tell us what you think of this new video approach.

Our next week of puzzles features Sudoku puzzles including two variations.

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 shading mode.)

Theme: Think Inside the Box

Author/Opus: This is the 426th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Spiral Galaxies rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:30, Master = 2:00, Expert = 4:00

Solution: PDF and solving video.

Note: Follow this link for classic Spiral Galaxies puzzles on this website and this link for variations on Spiral Galaxies puzzles. If you are new to this puzzle type, here are our easiest Spiral Galaxies Puzzles to get started on. More Spiral Galaxies can be found in The Art of Puzzles 2.

Our most recent week of Yajilin puzzles is gathered in this PDF and the solutions are in this PDF.

You can find more Yajilin puzzles in these books in our e-store.

The daily solution videos are on the posts and linked below. This week we’ve been exploring showcasing both some steps to “speed solving” as well as covering our usual logical puzzle solve. Please tell us what you like / don’t like about these new videos as we start to approach more competition-focused approaches to get solvers closer to Master and Grandmaster times.

In a few minutes we’ll have one more Yajilin, a Sunday Stumper, to close out this interesting week. Starting Monday we will have a set of region division puzzles split across Kuromasu and Spiral Galaxies styles.

Our most recent week of Cross the Streams puzzles is gathered in this PDF and the solutions are in this PDF.

The daily solution videos are on the posts and linked below:

This coming week will feature Yajilin puzzles, with a Sunday Stumper as well coming next Sunday.

Our most recent variety week of puzzles, for our “Starter Pack” series, is gathered in this PDF and the solutions are in this PDF.

This week marks the release of Starter Pack 5: Star Battle by JinHoo Ahn, with 36 hand-crafted puzzles perfect for learning the fun object placement style Star Battle. All puzzles have a digital solving link provided in Penpa-Edit, as well as a solving animation to show how the puzzle can be solved.

The daily solution videos for our recent week are on the posts and linked below:

This coming week will feature Cross the Streams puzzles. We have also recently finished adding Penpa-Edit digital solving links to all Cross the Streams puzzle so if you enjoy this week, please check out the entire archive for this puzzle style.