User Will.Octagon.Gibson - Puzzling Stack Exchange

53 votes

Accepted

Is this Hashi puzzle unsolvable?

answered Jun 17, 2023 at 10:28

50 votes

4,4,2,6,2,10,4,_ sequence from 4th grade packet

answered Apr 25, 2024 at 9:33

28 votes

Two Pixel Change

answered Mar 30 at 5:28

25 votes

Seven nines to make ninety

answered Feb 25 at 9:46

22 votes

Are there always 2 teams such that they have together defeated every other team

answered Aug 14, 2023 at 23:37

18 votes

Make 27 using 1, 1, 1, 1

answered Jan 21, 2024 at 4:52

18 votes

Move exactly two matches to make the two sides equal

answered Oct 31, 2023 at 4:02

18 votes

Accepted

Make a square with the fewest number of pieces

answered Oct 31, 2024 at 8:33

17 votes

Accepted

Chem-is-try is hard

answered Jun 27, 2023 at 3:58

13 votes

Interesting irrational number

answered Sep 22, 2023 at 22:44

12 votes

Accepted

Which positive integers have at least one positive integer multiple such that the base 10 representation of that multiple has only even digits?

answered Jul 19, 2023 at 19:36

10 votes

High math |4| |6| |=| |7| |2|

answered Nov 9, 2024 at 20:47

8 votes

Knights, Knaves, and Spies

answered Jul 18, 2024 at 4:45

8 votes

Make 987 using 1, 3, 5, 7, 9

answered Feb 20 at 20:28

8 votes

VI or LVE, answer is half a dozen

answered Oct 1, 2023 at 22:00

7 votes

Numbers that are averages of their digits

answered Sep 23, 2023 at 10:27

7 votes

Accepted

Let’s make a huge number with only tiny numbers (pt2)

answered Oct 20, 2023 at 21:50

7 votes

Empty all the balls from 15 boxes in 4 moves

answered Jan 25 at 23:31

7 votes

What is the greatest possible number of empty squares that could remain after the jumps?

answered Sep 29, 2024 at 22:19

6 votes

Make an equation that could be true

answered Nov 26, 2024 at 8:03

6 votes

Maximizing the common value of both sides of an equation (part 2)

answered Sep 4, 2024 at 4:12

6 votes

Accepted

Find a more elegant explanation for the sequence 01, 10, 13, 20, 25, 30, 37, 40

answered Jul 3, 2024 at 19:08

6 votes

Words with at least 8 letters which have multiple occurrences of the same letter but not consecutively

answered Mar 22 at 0:29

6 votes

Make 98 using 6, 7, 8, 9

answered Feb 15 at 8:49

6 votes

General attacking chessboard squares

answered Mar 9, 2024 at 6:06

6 votes

Make the three products equal and as large as possible

answered Mar 29, 2024 at 18:53

5 votes

Binary Grid Challenge and X & O Conundrum

answered Mar 6, 2024 at 5:00

5 votes

The shady puzzle that will keep you in the dark

answered Feb 23, 2024 at 9:43

5 votes

How many digits can be removed from a division puzzle?

answered Aug 21, 2022 at 20:45

5 votes

Three-Digit Digit Puzzle

answered Mar 23 at 9:08

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67 Answers

Is this Hashi puzzle unsolvable?

4,4,2,6,2,10,4,_ sequence from 4th grade packet

Two Pixel Change

Seven nines to make ninety

Are there always 2 teams such that they have together defeated every other team

Make 27 using 1, 1, 1, 1

Move exactly two matches to make the two sides equal

Make a square with the fewest number of pieces

Chem-is-try is hard

Interesting irrational number

Which positive integers have at least one positive integer multiple such that the base 10 representation of that multiple has only even digits?

High math |4| |6| |=| |7| |2|

Knights, Knaves, and Spies

Make 987 using 1, 3, 5, 7, 9

VI or LVE, answer is half a dozen

Numbers that are averages of their digits

Let’s make a huge number with only tiny numbers (pt2)

Empty all the balls from 15 boxes in 4 moves

What is the greatest possible number of empty squares that could remain after the jumps?

Make an equation that could be true

Maximizing the common value of both sides of an equation (part 2)

Find a more elegant explanation for the sequence 01, 10, 13, 20, 25, 30, 37, 40

Words with at least 8 letters which have multiple occurrences of the same letter but not consecutively

Make 98 using 6, 7, 8, 9

General attacking chessboard squares

Make the three products equal and as large as possible

Binary Grid Challenge and X & O Conundrum

The shady puzzle that will keep you in the dark

How many digits can be removed from a division puzzle?

Three-Digit Digit Puzzle