(This post is part of the Genuinely Approachable Sudoku (GAS) series.)
What’s better than one pair of diagonals? Maybe something like this Multi-Diagonal Sudoku by Bill shows!

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or solve online (using SudokuPad)

Author/Opus: This is the 109th puzzle from Bill Murphy, part of the Genuinely Approachable Sudoku (GAS) team.

Rules: Insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or 3×3 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 🦕: X-Zalmoxes.

Thomas Hits the GAS (highlight to view): 3:28, 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.)
Continuing a run of Sudoku by clover! with a “between” size that isn’t the normal 9×9 or 6×6 either, can you solve this Between Lines Sudoku?

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or solve online (using SudokuPad)

Theme: Straight and Narrow

Author/Opus: This is the 130th puzzle from Clover, part of the Genuinely Approachable Sudoku (GAS) team.

Rules: Insert a number from 1 to 8 into each cell so that no number repeats in any row, column, or bold region. Also, numbers along each line must have values strictly between the values of the two numbers in the circle cells bounding that particular line. (For instance, a line whose circles contain 3 and 7 must only contain some combinations of 4s, 5s, and/or 6s.)

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

Thomas Hits the GAS (highlight to view): 2:05, 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.)
Greetings from a Jedi far, far away! Repeat a friendly salutation in this Clone Wars — I mean, Clone Sudoku.

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Theme: Hello There

Author/Opus: This is the 110th 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). Additionally, each connected shape (“clone”) of the same color in the grid must include the same numbers in the same positions with no rotations or reflections. Numbers may repeat within a clone.

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 7:30; One party hat (🥳): 17:00. All other solvers earn a 🦕: Amnesiac Alamosaurus.

Thomas Hits the GAS (highlight to view): 3:22, 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; solving video with explanation to be added later 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.)
We seem to be running out of space in this Squishdoku that compresses the normal grid into a 7 by 7 square. Can you still figure out some big Sudoku deductions?

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or solve online (using SudokuPad)

Author/Opus: This is the 108th puzzle from Bill Murphy, part of the Genuinely Approachable Sudoku (GAS) team.

Rules: Insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or 3×3 region. In this variation, the 3×3 regions overlap along the cells with dotted lines (i.e., the first region at the top goes from column 1 to 3, the second from column 3 to 5, and the last from column 5 to 7 with overlapping in columns 3 and 5; the same overlapping applies to the rows.)

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 6:30; One party hat (🥳): 11:00. All other solvers earn a 🦕: SquishDollodon.

Thomas Hits the GAS (highlight to view): 2:06, 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.)
Only “Small” and “Odd” things are allowed in this “So-So” version of Odd-Even-Big-Small Sudoku.

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Theme: So-So Puzzle

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

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. 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 (🥳): 11:00. All other solvers earn a 🦕: so-Sonorasaurus.

Thomas Hits the GAS (highlight to view): 1:43, 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 disentangle the addends in this tangled Arrow Sudoku?

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or solve online (using SudokuPad)

Theme: Arrow Entanglement

Author/Opus: This is the 109th 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). 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. Numbers can repeat within an arrow shape.

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

Thomas Hits the GAS (highlight to view): 3:14, 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 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.)
In this twist on the typical Kropki formula, it is the sums of the values in each cage that are being compared when considering the black and white dots.

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or solve online (using SudokuPad)

Author/Opus: This is the 107th 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). If a white circle is given between two cages, then the sums of the numbers in those cages must differ by 1. If a black circle is given between two cages, then the sums of the numbers in those cages must have a ratio of 2. Numbers cannot repeat in a cage, and not all circles are given.

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

Thomas Hits the GAS (highlight to view): 2:50, 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 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.)
In this puzzle, you’ll want to look near each of the X clues to find a “treasure” of logic and a path to the final answer.

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or solve online (using SudokuPad)

Theme: X Marks the Spot

Author/Opus: This is the 128th 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). Numbers marked with an X indicate how many different numbers are in the four cells diagonally adjacent to it.

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

Thomas Hits the GAS (highlight to view): 3:29, 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.)
Unlike the Texas weather that can’t decide whether to be hot or cold, the temperatures here increase or hold steady in this Slow Thermo-Sudoku.

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or solve online (using SudokuPad)

Theme: Slow Ride

Author/Opus: This is the 108th 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). Some thermometer shapes are in the grid; numbers must either increase or stay the same in each cell going from the round bulb to the flat end. (For instance, a thermometer might contain the sequence 233577888 in that order.)

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 8:00; One party hat (🥳): 17:00. All other solvers earn a 🦕: Yawning Yamanasaurus.

Thomas Hits the GAS (highlight to view): 5:20, 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 Thermo-Sudoku puzzles. If you are new to this puzzle type, here are our easiest Thermo-Sudoku to get started on. More Thermo-Sudoku puzzles 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 some Thermo-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.)
Along each of the vertical bars in this cute Sudoku you must alternate numbers higher than their neighbor(s) with numbers lower than their neighbor(s). Can you figure out all the peaks and valleys to get to the one true solution?

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or solve online (using SudokuPad)

Author/Opus: This is the 106th 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). Also, numbers must alternate between increasing and decreasing along the gray lines (e.g., a valid sequence for a gray line could be 2937186 with 9, 7, and 8 as high points and 2, 3, 1, and 6 as low points).

GAS Time Standards (highlight to view): Two party hats (🎩🥳): 8:30; One party hat (🥳): 16:00. All other solvers earn a 🦕: See-Saurornithoides.

Thomas Hits the GAS (highlight to view): 3:43, 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.