(This post is part of the Genuinely Approachable Sudoku (GAS) series.)
Can you figure how each of the “First Seen” parity clues work in today’s Genuinely Approachable Sudoku from Bill Murphy?

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or solve online (using SudokuPad)

Author/Opus: This is the 130th 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). The clues outside the grid reveal the first odd or even value appearing in that direction in the row or column. Any number of values of the opposite parity (even or odd) may appear before the first odd or even number.

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

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

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.)
For the second time in about a month we have a “Diamond Ring” puzzle from clover!; we expect this variation may lead to a sharper puzzle.

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or solve online (using SudokuPad)

Theme: Diamond Ring II

Author/Opus: This is the 151st 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). If a diamond is given between two horizontally adjacent cells, then the two numbers in those cells must differ by X, where X is the first number in that row. If a diamond is given between two vertically adjacent cells, then the two numbers in those cells must differ by Y, where Y is the first number in that column. Pairs of cells without diamonds can have any relationship. For instance, the difference between R7C3 and R7C4 is equal to the value in R7C1 (= 1).

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

Thomas Hits the GAS (highlight to view): 2:13, 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 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.)
Can you weave together these strands of numbers to complete today’s Sudoku?

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or solve online (using SudokuPad)

Theme: Stranded

Author/Opus: This is the 131st 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).

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 4:30; One party hat (🥳): 10:00. All other solvers earn a 🦕: Vociferous Volgatitan.

Thomas Hits the GAS (highlight to view): 1:34, 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

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 Sudoku including variations can be found in these books in our e-store. Also, visit this page to purchase all of the puzzles from the 16th World Sudoku Championship including classic 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.)
While an Arrow Sudoku may have some numbers repeating on the arrow paths, in this variation there absolutely must be a repeat.

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or solve online (using SudokuPad)

Author/Opus: This is the 129th 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). 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. At least one of the numbers along the path in each arrow must be repeated. (E.g., 1 + 1 + 7 = 9 would be a valid sum but 2 + 3 + 4 = 9 would not, as no number repeats.)

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 7:00; One party hat (🥳): 13:00. All other solvers earn a 🦕: Countdown Corythosaurus.

Thomas Hits the GAS (highlight to view): 2:22, 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

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 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 Mathrax has a powerful theme that might grab your attention and not let go. Can you get away from all the ten-tacles?

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or solve online (using SudokuPad)

Theme: Ten-tacles

Author/Opus: This is the 150th 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). Also, some of the intersections of four cells are marked by a circle. If a circle contains a number and an operator, the number must be the result of the operation applied to both pairs of diagonally opposite cells. If a circle contains an “E” that indicates all four cells around the circle must be even.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 6:30; One party hat (🥳): 12:00. All other solvers earn a 🦕: tentacular Tanycolagreus.

Thomas Hits the GAS (highlight to view): 2:23, 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

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.)
Basketball season may be over, but you can still take a shot at this Even/Odd Sudoku.

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or solve online (using SudokuPad)

Theme: The Parity Stripe

Author/Opus: This is the 130th 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 (🎩🥳): 8:00; One party hat (🥳): 15:00. All other solvers earn an 🦕: Urbane Uriash.

Thomas Hits the GAS (highlight to view): 3:09, 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

Note: 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.)
There’s more than one way to count down to one in this curious “Ways to One” Sudoku variation by Bill Murphy.

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or solve online (using SudokuPad)

Author/Opus: This is the 128th 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). Each value greater than 1 that is in an orthogonally connected, decreasing, consecutive path that ends in 1 is shaded gray. (E.g., 4-3-2-1 would make a valid path, but 6-5-3-2-1 would not, as 5 and 3 are not consecutive.) Paths may overlap each other. All 1s must be in white cells and all possible shaded cells are given.

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

Thomas Hits the GAS (highlight to view): 2:37, 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

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.)
Can you catch onto all the “Same Sums” thinking in this Sum Frame Sudoku by clover!?

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or solve online (using SudokuPad)

Theme: Same Sums

Author/Opus: This is the 149th 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). Clues on the outside of the grid indicate the sum of the values in the first three cells seen in that direction.

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

Thomas Hits the GAS (highlight to view): 2:21, 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.)
Somewhere over the rainbow lies a solution to this Odd-Even-Big-Small Sudoku.

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or solve online (using SudokuPad)

Theme: Rainbowy Fun

Author/Opus: This is the 129th puzzle from Philip Newman, part of the Genuinely Approachable Sudoku (GAS) team.

Rules: Standard Sudoku rules (insert a number from 1 to 8 into each cell so that no number repeats in any row, column, or bold region). Clues outside the grid give the nature of the first two cells seen from the direction of the clue as follows:
O for Odd = (1,3,5,7};
E for Even = {2,4,6,8};
B for Big = {5,6,7,8};
S for Small = {1,2,3,4}.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 6:00; One party hat (🥳): 11:33. All other solvers earn a 🦕: Telekinetic Tiamat.

Thomas Hits the GAS (highlight to view): 1:33, 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

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 puzzle has a lot of arrows pointing at the prime real estate locations. Can you find a deal in time to earn a hat?

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or solve online (using SudokuPad)

Author/Opus: This is the 127th 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 in cells with an arrow give the count of cells with prime numbers (2, 3, 5, and 7) in the direction the arrow points.

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

Thomas Hits the GAS (highlight to view): 2:52, 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

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.