Puzzling

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Awarded 4186 times.
First digit of a large number
Awarded 1 hour ago
What should be in box 4?
Awarded 12 hours ago
PSE Advent Calendar 2023 (Day 8): A Quilt for Santa
Awarded yesterday
Making a 3 x 8 grid with tetrominoes
Awarded Dec 6 at 20:02
A Sierpiński Carpet ratio
Awarded Dec 6 at 7:41
The newcomers' maze
Awarded Dec 5 at 20:17
$\pi$ = 13, $\sqrt{2}$ = 7, $e$ =?
Awarded Dec 3 at 12:47
Three 8-letter words with at least 23 different letters
Awarded Dec 2 at 18:35
Pantomime Ladies
Awarded Dec 2 at 10:33
Ended up with 'empathise'
Awarded Dec 1 at 22:11
Complete the pattern: 21VN, 32TX, 43QS,
Awarded Nov 30 at 18:27
What is the pattern/property in this poem?
Awarded Nov 30 at 17:43
Relatively prime numbers
Awarded Nov 28 at 15:16
Nimber Mnemonics
Awarded Nov 28 at 8:09
A classic "What am I?"
Awarded Nov 23 at 15:17
In a certain code 'NATIONAL' is written as 'JUBOKZMN'. How is 'ELECTION' written in that code?
Awarded Nov 19 at 14:22
A question from Bob to Bob
Awarded Nov 17 at 20:02
Two Trains, One Track
Awarded Nov 13 at 22:26
Chemistry Puzzle
Awarded Nov 5 at 16:52
A Squared Cipher
Awarded Nov 5 at 3:07
Button multi arm bandit problem
Awarded Nov 2 at 18:26
What is next letter in sequence: B, D, G, J, L, ___?
Awarded Oct 28 at 13:35
What is a Patternful Word™?
Awarded Oct 26 at 15:32
my stupid image broke
Awarded Oct 26 at 2:15
nice places on earth
Awarded Oct 24 at 17:05
Using 8 6 4 2, how do you get to 30
Awarded Oct 22 at 15:18
Let’s make a huge number with only tiny numbers (pt2)
Awarded Oct 22 at 4:42
Help me with Slitherink puzzle (honeycomb) solution
Awarded Oct 18 at 12:56
A man is very depressed because he has lost all his money. He went to the river to commit suicide. But he didn’t. Why? [closed]
Awarded Oct 16 at 21:41
this puzzle is based
Awarded Oct 16 at 13:12
A simple and quite fun cipher: Redux
Awarded Oct 12 at 18:50
Puzzle based on Raven's Progressive Matrices/Abstract Reasoning
Awarded Oct 12 at 17:51
What is the probability I can't bike despite good weather? [closed]
Awarded Oct 12 at 7:50
please Extend this list of Units
Awarded Oct 4 at 13:58
A lanolin-enriched puzzle
Awarded Oct 2 at 12:10
Number encoding puzzle
Awarded Sep 25 at 16:56
Chess with jumping
Awarded Sep 25 at 0:41
frog on a number line
Awarded Sep 22 at 17:37
Given an ordinary sudoku puzzle how would you convert it into an irregular sudoku?
Awarded Sep 19 at 15:55
Nonogram with story
Awarded Sep 19 at 15:46
Progressive matrix: lines of spades with different orientations
Awarded Sep 17 at 15:33
COMPOSITION [10 letter answer]
Awarded Sep 17 at 11:57
What was the date of Michael's birth?
Awarded Sep 6 at 19:33
Five figures are coded with symbols, find the code for Fig. 1
Awarded Sep 3 at 17:36
How many solutions to the twelve coins problem are there?
Awarded Sep 2 at 22:58
Find unique values for the variables to make all statements true
Awarded Sep 1 at 23:11
What does my wife want?
Awarded Aug 29 at 7:25
Poetry of the stars
Awarded Aug 29 at 4:49
A short and neat little riddle
Awarded Aug 27 at 7:32
Packing a 3xMxN-box with copies of a single tetracube
Awarded Aug 25 at 21:02
What food am I making?
Awarded Aug 24 at 15:32
Self-referential sequence that is sometimes powers of two
Awarded Aug 24 at 5:32
How to swap position of two elements when you can only rearrange four of them by one-way rotation?
Awarded Aug 22 at 21:42
Pay each amount with at most two coins
Awarded Aug 20 at 9:10
What's the puzzle to this answer?
Awarded Aug 19 at 10:27
Ship collisions
Awarded Aug 12 at 11:40
Grid of numbers with some blue 1s - fill in the missing row [closed]
Awarded Aug 12 at 10:36
Are infinite loops possible in the game Reneo?
Awarded Aug 7 at 13:10
A dog, its owner, and the other person
Awarded Aug 7 at 6:25
A sobering puzzle
Awarded Aug 5 at 1:25
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