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Top Questions
32
votes
An unusual and very hard number sequence problem
mathematics
number-sequence
asked Jul 29 '16 at 9:50
puzzling.stackexchange.com
24
votes
Four points with only two distances
mathematics
geometry
asked Mar 30 '18 at 22:21
puzzling.stackexchange.com
20
votes
A strange computer programming language
mathematics
computer-science
asked Dec 28 '18 at 8:14
puzzling.stackexchange.com
19
votes
The falling broom handle
real
physics
asked Oct 22 '19 at 5:48
puzzling.stackexchange.com
15
votes
A pencil in a beaker of water
physics
asked Oct 16 '19 at 13:41
puzzling.stackexchange.com
14
votes
Waiting for the gravy at a dinner table
mathematics
asked Mar 4 '19 at 19:13
puzzling.stackexchange.com
12
votes
Goldman's Transformation Puzzle
geometry
asked Apr 11 '20 at 14:15
puzzling.stackexchange.com
11
votes
Ziggy - Make a square from 8 polyomino pieces
no-computers
polyomino
packing
asked Jun 23 '18 at 20:28
puzzling.stackexchange.com
8
votes
Walk a Crooked Path
optimization
checkerboard
asked Jun 18 '19 at 21:08
puzzling.stackexchange.com
8
votes
Inside Out and Back to Front
three-dimensional
asked Jul 20 '19 at 5:00
puzzling.stackexchange.com
1
2
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Top Answers
44
Is there any easy way to solve this lock puzzle?
puzzling.stackexchange.com
40
Dissecting the exotic bulbfish
puzzling.stackexchange.com
37
Show this man the exit, enter into cell only once and should cover all cells
puzzling.stackexchange.com
36
Swapping rooks in a 4x4 board
puzzling.stackexchange.com
33
The No-Straight Maze
puzzling.stackexchange.com
32
A clock correct three times a day
puzzling.stackexchange.com
32
How can one solve a Rubik's cube without relying on guides/algorithms?
puzzling.stackexchange.com
30
Asking uncle's help to divide goats
puzzling.stackexchange.com
29
Why will my friend have to grow his beard out?
puzzling.stackexchange.com
28
Painted faces on a cube
puzzling.stackexchange.com
26
How few disks are needed to cover a square efficiently?
math.stackexchange.com
25
Controlling a robot blindfolded on a 9x9 grid
puzzling.stackexchange.com
23
What's the maximum number of pegs you can leave on a 15-hole triangular peg solitaire?
puzzling.stackexchange.com
23
How many ways can you find the word DIAMOND in this diamond?
puzzling.stackexchange.com
23
In how many different ways can a 9-panel comic grid be used?
math.stackexchange.com
22
A robot surviving on top of a 3x3 platform
puzzling.stackexchange.com
21
Cut this shape into 3 pieces and fit them together to form a square
puzzling.stackexchange.com
21
Diagonals in a 5x5 Grid
puzzling.stackexchange.com
20
Film plots explained badly
puzzling.stackexchange.com
20
A fancy man talking nonsense
puzzling.stackexchange.com
20
Wooden Snake Puzzle
puzzling.stackexchange.com
20
General strategies for solving metal disentanglement puzzles
puzzling.stackexchange.com
20
Can all arbuzoids assume the same color?
math.stackexchange.com
20
Covering an 8x8 grid with X pentominoes
puzzling.stackexchange.com
20
The Troll, the dwarves and the gloves
puzzling.stackexchange.com
19
Cutting a cross made of 5 equal squares by 2 straight cut into 4 figure to together form a square
puzzling.stackexchange.com
19
Sort 9 train cars on 3 paths
puzzling.stackexchange.com
19
Measuring Water with a Holey Cube
puzzling.stackexchange.com
18
Maximise your gold!
puzzling.stackexchange.com
18
Most intersections with Olympic rings
puzzling.stackexchange.com
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