(This post is part of the Genuinely Approachable Sudoku (GAS) series.)
Today’s GAS is again a slightly different take on the more familiar Kropki Pairs, this time with differences and ratios of 3.

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Theme: Three’s Allowed

Author/Opus: This is the 91st 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 must have a difference equal to the given number. If a black circle is given between two adjacent cells, then the two numbers must have a ratio equal to the given number. Pairs of cells without circles can have any relationship.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 7:33; One party hat (🥳): 15:33. All other solvers earn a 🦕: Helicopter Hal’titan.

Thomas Hits the GAS (highlight to view): 4:44 (on slightly harder version), 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 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 post is part of the Genuinely Approachable Sudoku (GAS) series.)
Today’s GAS is a slightly different take on the more familiar Kropki Pairs, with white dots requiring a difference of 2 instead of 1. To subtly remind you, Philip Newman has scattered a few 2s in the grid.

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Theme: Yours Twoly

Author/Opus: This is the 90th 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 must have a difference equal to the given number. If a black circle is given between two adjacent cells, then the two numbers must have a ratio equal to the given number. Pairs of cells without circles can have any relationship.�

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 6:22; One party hat (🥳): 12:22. All other solvers earn a 🦕: Gandititan the Grey.

Thomas Hits the GAS (highlight to view): 3:01, 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 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 post is part of the Genuinely Approachable Sudoku (GAS) series.)
What are the odds?? Today’s puzzle is an Odd Sudoku, and it’s an oddity for GAS, being trickier than most. Keep in mind how many odds and evens you need in each row, column, and region.

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Theme: An Odd Coincidence

Author/Opus: This is the 89th 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). Also, cells with a square contain an even number; cells with a circle contain an odd number.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 9:59; One party hat (🥳): 19:59. All other solvers earn a 🦕: Futuristic Futalognkosaurus.

Thomas Hits the GAS (highlight to view): 6:13, 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 other Follow this link for more Even/Odd Sudoku puzzles. If you are new to this puzzle type, here are our easiest Even/Odd Sudoku to get started on. More Even/Odd Sudoku can be found in these books in our e-store.

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 post is part of the Genuinely Approachable Sudoku (GAS) series.)
Here is one last flower from Philip Newman in the form of today’s Entropic/Modular Lines Sudoku. If you aren’t familiar with these variants, looking at a numeric keypad could help as one rule cycles across different columns and the other cycles across different rows!

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Theme: Birbs of Paradise

Author/Opus: This is the 88th 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 along peach lines (entropic lines) must form a repeating cycle of L = Low (1, 2, 3), M = Medium (4, 5, 6), and H = High (7, 8, 9) numbers like …LMHLMH… or …LHMLHM….

Numbers along teal lines (modular lines) must form a repeating cycle of different
remainders after division by three, specifically zero (3, 6, 9 ≡ 0 mod 3), one (1, 4, 7 ≡ 1 mod 3), and two (2, 5, 8 ≡ 2 mod 3) like …012012… or …021021….

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

Thomas Hits the GAS (highlight to view): 3:58, 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 and solving video with explanation from GAS team.

Note: 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 post is part of the Genuinely Approachable Sudoku (GAS) series.)
Put on your eveningwear and get ready for a date (of the calendar variety) with today’s Valentine’s Eve puzzle, an Even/Odd Sudoku. Eventually, the GAS team might even include both Even and Odd clues in the same puzzle.

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Theme: Valentine’s, Even

Author/Opus: This is the 87th 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). Also, cells with a square contain an even number; cells with a circle contain an odd number.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 6:00; One party hat (🥳): 14:00. All other solvers earn a 🦕: Darling Daanosaurus.

Thomas Hits the GAS (highlight to view): 2:35, 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 other Follow this link for more Even/Odd Sudoku puzzles. If you are new to this puzzle type, here are our easiest Even/Odd Sudoku to get started on. More Even/Odd Sudoku can be found in these books in our e-store.

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 post is part of the Genuinely Approachable Sudoku (GAS) series.)
Today’s GAS flower features two similar variants, German and Dutch Whispers, where the only difference is the difference!

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Theme: Silent But Flowery

Author/Opus: This is the 86th 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. Numbers in cells directly connected on an orange line must differ by at least 4.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 9:00; One party hat (🥳): 18:00. All other solvers earn a 🦕: Consciousness-Challenged Comahuesaurus.

Thomas Hits the GAS (highlight to view): 4:28, 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 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 post is part of the Genuinely Approachable Sudoku (GAS) series.)
Navigate a bouquet of 3- and 4-digit sets in today’s GAS, a Renban Sudoku.

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Theme: Series Business

Author/Opus: This is the 85th 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 along each line must form a non-repeating consecutive set, in any order. (For example, a 4-cell Renban line could be 4352, but not 5679 or 2312. Also, the cages surrounding some givens are just showing part of the visual theme and have no other meaning.)

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 7:00; One party hat (🥳): 15:00. All other solvers earn a 🦕: Bubbly Bustingorrytitan.

Thomas Hits the GAS (highlight to view): 3:40, 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 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 post is part of the Genuinely Approachable Sudoku (GAS) series.)
Today’s Arrow Sudoku asks you to place the numbers from 1 to 9 in order to make the sums from 3 to 12.

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or solve online (using SudokuPad)

Theme: Arrow There

Author/Opus: This is the 84th puzzle from Philip Newman, part of the Genuinely Approachable Sudoku (GAS) team.

Rules: Standard Arrow Sudoku rules: Insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region). Some arrow shapes are in the grid; the sum of the numbers along the path of each arrow must equal the number in the circled cell. The multi-cell bulb represents a two-digit number from left to right. Numbers can repeat within an arrow shape.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 6:30; One party hat (🥳): 13:00. All other solvers earn a 🦕: Amanzia, A Plan, A Canal.

Thomas Hits the GAS (highlight to view): 3:23, 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 other 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 these books in our e-store.

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 post is part of the Genuinely Approachable Sudoku (GAS) series.)
Philip presents a plethora of placed digits to go with the perpendicular pair of diagonals in this particular puzzle.

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Theme: Givens Galore

Author/Opus: This is the 83rd 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). Also, numbers cannot repeat on the marked diagonals.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 8:00; One party hat (🥳): 15:00. All other solvers earn a 🦕: I-Need-A Imrankhanhero.

Thomas Hits the GAS (highlight to view): 3:39, 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 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 post is part of the Genuinely Approachable Sudoku (GAS) series.)
The title of today’s puzzle is a reference to the variant, yes; one number of each Ratio Pair must be half of the other. It’s also a reference to something else! (And the dots make a pattern that evokes cell division…)

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Theme: Half!

Author/Opus: This is the 82nd 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 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 (🎩🥳): 6:30; One party hat (🥳): 13:00. All other solvers earn a 🦕: Oops-I-Used-It-Again Opisthocoelicaudiinae.

Thomas Hits the GAS (highlight to view): 3:52, 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 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.