On this site we showcase “The Art of Puzzles”, with hand-crafted logic puzzles by the best puzzle designers for all who love puzzles. We organize into the categories of Sudoku, Number Placement, Object Placement, Shading, Region Division, and Loop/Path puzzles with tags on each post to find the easiest/hardest within particular styles.

In 2025, we’ve just restarted a series of posts focused on Sudoku, after offering a whole range of logic puzzles over 12 years of posts. So please watch our latest posts or check our archives depending on your interest. There are also many puzzles in our subscriptions and books so check out our Store for more details.

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While we weren’t posting GAS puzzles for the first few Czech Outsiders, we think you’ll still catch the theme for this edition III.

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or solve online (using SudokuPad)

Theme: Czech Outsider III

Author/Opus: This is the 7th puzzle from Bill Murphy, part of the Genuinely Approachable Sudoku (GAS) team.

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). Clues outside the grid must appear along the indicated diagonal. If a number is given multiple times, it must appear that many times along the diagonal.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 6:00; One party hat (🥳): 11:00. All other solvers earn a 🦕: OKaatedocus.

Thomas Hits the GAS (highlight to view): 1:58, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).

Solution: PDF; solving video with explanation to be added later from GAS team.

Note: Follow this link for more Genuinely Approachable Sudoku puzzles on this site. Follow this link for other less common variations of Sudoku.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.

Clover’s left room for something extra in every region of this Surplus Sudoku, the first of a two puzzle series this week.

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or solve online (using SudokuPad)

Author/Opus: This is the 28th puzzle from Clover, part of the Genuinely Approachable Sudoku (GAS) team.

Rules: Standard Surplus Sudoku rules, with numbers from 1-8: Insert a number from 1 to 8 into each cell so that no number repeats in any row or column. Some regions appear with more cells than there are numbers in the indicated range. Some number(s) repeat in these regions, but all numbers in the indicated range must appear at least once within each of these regions.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 7:30; One party hat (🥳): 14:00. All other solvers earn a 🦕: excessive Echinodon.

Thomas Hits the GAS (highlight to view): 2:28, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).

Solution: PDF and solving video with explanation from GAS team.

Note: Follow this link for more Genuinely Approachable Sudoku puzzles on this site. Follow this link for other less common variations of Sudoku.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.

This Kropki Pairs Sudoku was inspired by a variant selection and puzzle by Philip Newman from earlier today, as Thomas explored how some new themes can be added to Consecutive Pairs by allowing multiplication on the other side of a grid.

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or solve online (using SudokuPad)

Theme: Where Addition Meets Multiplication

Author/Opus: This is the 582nd 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). If a white circle is given between two adjacent cells, then the two numbers in those cells must differ by 1. If a black circle is given between two adjacent cells, then the two numbers must have a ratio of 2. Pairs of cells without circles can have any relationship.

Solution: PDF

Note: Follow this link for more Genuinely Approachable Sudoku puzzles on this site. Follow this link for other less common variations of Sudoku.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.

This Kropki Pairs Sudoku by Philip Newman has an amazing arrangement of numbers and dots, both visually and logically.

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or solve online (using SudokuPad)

Theme: Tilting Kropmills

Author/Opus: This is the 9th puzzle from Philip Newman, part of the Genuinely Approachable Sudoku (GAS) team.

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). If a white circle is given between two adjacent cells, then the two numbers in those cells must differ by 1. If a black circle is given between two adjacent cells, then the two numbers must have a ratio of 2. Pairs of cells without circles can have any relationship.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 8:00; One party hat (🥳): 15:00. All other solvers earn a 🦕: Speckled Sousatitan.

Thomas Hits the GAS (highlight to view): 3:51, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).

Solution: PDF and solving video with explanation from GAS team.

Note: Follow this link for more Genuinely Approachable Sudoku puzzles on this site. Follow this link for other less common variations of Sudoku.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.

Following up from the last “Weighted” puzzle, today’s GAS from Bill Murphy is a proper Little Killer and quite fun even if harder than the prior puzzle.

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or solve online (using SudokuPad)

Theme: New Body Rhumba

Author/Opus: This is the 6th puzzle from Bill Murphy, part of the Genuinely Approachable Sudoku (GAS) team.

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). Numbers along indicated diagonals must sum to the given total outside the grid.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 8:00; One party hat (🥳): 15:00. All other solvers earn a 🦕: Australian Australovenator.

Thomas Hits the GAS (highlight to view): 3:02, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).

Solution: PDF; solving video with explanation to be added later from GAS team.

Note: Follow this link for more Genuinely Approachable Sudoku puzzles on this site. Follow this link for other less common variations of Sudoku.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.

Searching for music for the Sudoku Wedding, you sometimes run into a special experience that stays fresh even after 81 straight playthroughs.

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or solve online (you will need to activate “letter tool” in the settings menu)

Author/Opus: This is the 581st puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Place a letter from the phrase “SHINY GOAL” into each cell so that no letter repeats in any row, column, or bold region. If you are not finding one true calling, you might need to find two crossing copies of the mantra HOLY in the grid, each appearing in a straight line in some direction (like in a word search).

Solution: PDF

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.

Note 2: More detail on this puzzle and Thomas’ Sunday are in this special section of the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.

While this may not yet look like a Sudoku, you’ll have to construct some regions while filling in numbers to find the unique solution.

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Theme: A Little Bit of Chaos

Author/Opus: This is the 27th puzzle from Clover, part of the Genuinely Approachable Sudoku (GAS) team.

Rules: Divide the grid along the grid lines into six non-overlapping, orthogonally-connected six-cell regions. Also, insert a number from 1 to 6 into each cell so that no number repeats in any row, column, or region. A number filling a circle indicates how many of the cells touching the circle (up to nine, including the cell with the circle in it) are in that region.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 5:30; One party hat (🥳): 10:30. All other solvers earn a 🦕: chaotic Kulindadromeus.

Thomas Hits the GAS (highlight to view): 1:15, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).

Solution: PDF and solving video with explanation from GAS team.

Note: Follow this link for more Genuinely Approachable Sudoku puzzles on this site. Follow this link for other less common variations of Sudoku.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.

The line shapes in this German Whispers puzzle by Philip Newman both make a visually stunning theme and interact well with the given clues.

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or solve online (using SudokuPad)

Theme: Emerald Isle

Author/Opus: This is the 8th puzzle from Philip Newman, part of the Genuinely Approachable Sudoku (GAS) team.

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). Numbers in cells directly connected on a green line must differ by at least 5.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 8:00; One party hat (🥳): 15:00. All other solvers earn a 🦕: Essential Europatitan.

Thomas Hits the GAS (highlight to view): 4:04, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).

Solution: PDF and solving video with explanation from GAS team.

Note: Follow this link for more Genuinely Approachable Sudoku puzzles on this site. Follow this link for other less common variations of Sudoku.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.

This special “weighted” variation of Little Killer has the usual sum constraints paired with a strictly increasing set of values when moving down along the paths. Can you solve Bill Murphy’s latest puzzle?

PDF

or solve online (using SudokuPad)

Author/Opus: This is the 5th puzzle from Bill Murphy, part of the Genuinely Approachable Sudoku (GAS) team.

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). Numbers along indicated diagonals must sum to the given total outside the grid, and must also increase as they move down along
the path of the arrow (e.g., R1C2 + R2C1 = 14 and R1C2 < R2C1).

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 6:00; One party hat (🥳): 11:00. All other solvers earn a 🦕: Threatening Tatankaceratops.

Thomas Hits the GAS (highlight to view): 2:19, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).

Solution: PDF and solving video with explanation from GAS team.

Note: Follow this link for more Genuinely Approachable Sudoku puzzles on this site. Follow this link for other less common variations of Sudoku.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.

Clover wrote this Sum Adjacent puzzle that showcases a way to place mathematical constraints into a Sudoku grid in a simple but powerful way.

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or solve online (using SudokuPad)

Author/Opus: This is the 26th puzzle from Clover, part of the Genuinely Approachable Sudoku (GAS) team.

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). A circled number in a cell must equal the sum of all orthogonally adjacent numbers to that cell.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 6:00; One party hat (🥳): 11:00. All other solvers earn a 🦕: small-digit Stokesosaurus.

Thomas Hits the GAS (highlight to view): 1:41, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).

Solution: PDF and solving video with explanation from GAS team.

Note: Follow this link for more Genuinely Approachable Sudoku puzzles on this site. Follow this link for other less common variations of Sudoku.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.