Puzzling Stack Exchange

1 vote

2 answers

186 views

What is an example of a concept with implicit trio-relationship?

Nautilus

6,798

modified 4 mins ago

2 votes

0 answers

46 views

Hopping frogs on an infinitely long row of cells

John Ao

23

modified 27 mins ago

1 vote

1 answer

76 views

What is Jules’ shape (with 10 copies of it a rectangle can be tiled)?

Nautilus

6,798

modified 1 hour ago

0 votes

0 answers

28 views

HTTP error 404: Tag not found

Dannyu NDos

5,417

modified 2 hours ago

81 votes

2 answers

4k views

Empty sudoku puzzle

bobble

10.3k

modified 3 hours ago

8 votes

2 answers

331 views

Everyday words for terminology

Dannyu NDos

5,417

modified 5 hours ago

8 votes

2 answers

2k views

Alice splits the bill not too generously with Bob

FirstName LastName

1,020

modified 6 hours ago

5 votes

1 answer

148 views

Untangle the pairs!

Lezzup

9,696

modified 13 hours ago

5 votes

0 answers

273 views

Three points on the sides of an equilateral triangle

Gareth McCaughan♦

121k

modified 16 hours ago

4 votes

1 answer

161 views

Stories with hidden/subtle impossibilities or inconsistencies?

Nuclear Hoagie

4,985

answered 16 hours ago

8 votes

3 answers

1k views

Are these colored sets closed under multiplication?

Nautilus

6,798

modified 19 hours ago

3 votes

2 answers

166 views

Chess 960 and retroanalysis

Benjamin Wang

2,197

modified 22 hours ago

3 votes

0 answers

181 views

Caress me gently

mastaH

131

modified yesterday

14 votes

1 answer

9k views

Minimum number of clues for a sudoku puzzle

bobble

10.3k

modified yesterday

4 votes

0 answers

146 views

Minimum number of negative clues for a 9 x 9 Sudoku

Dave R

321

modified yesterday

8 votes

0 answers

142 views

Third Time's The Charm

BlazingSnow

979

modified yesterday

9 votes

1 answer

431 views

What do I NEED?

PDT

18k

modified yesterday

18 votes

1 answer

2k views

"00000000000000"

Stiv

150k

modified yesterday

7 votes

1 answer

544 views

Fill this Sudoku variant so that the sums of numbers in the outlined regions are all different

Daniel Mathias

16.8k

modified yesterday

10 votes

1 answer

310 views

Spell them out!

M Oehm

64.8k

answered yesterday

6 votes

2 answers

695 views

+100

A Philosophical riddle

Amruth A

2,058

modified 2 days ago

5 votes

3 answers

406 views

What is the expected time this will take?

Tom Sirgedas

2,213

modified 2 days ago

9 votes

4 answers

1k views

Guesstimate a multiple choice exam

Nautilus

6,798

modified 2 days ago

1 vote

1 answer

301 views

Logic Test: The Entry

bobble

10.3k

modified 2 days ago

11 votes

1 answer

426 views

Beautiful and colorful: Reveal the last one

Lezzup

9,696

modified 2 days ago

3 votes

1 answer

209 views

Logic Test: Room 1

Deusovi♦

150k

answered 2 days ago

14 votes

9 answers

4k views

Starting with 2014 "+" signs and 2015 "−" signs, you delete signs until one remains. What’s left?

Dawood ibn Kareem

111

answered Sep 15 at 2:56

14 votes

1 answer

511 views

Squares in another alien language

bobble

10.3k

modified Sep 15 at 2:06

5 votes

1 answer

237 views

My Profession

Brodin

51

modified Sep 15 at 0:17

0 votes

1 answer

165 views

What common proverb does this string refer to?

lulu

401

answered Sep 14 at 20:05

38 votes

9 answers

3k views

Escape from the magic prison

02熊正

1

modified Sep 14 at 18:19

6 votes

1 answer

550 views

What is Scarier than That?

M Oehm

64.8k

modified Sep 14 at 9:58

26 votes

2 answers

923 views

3³+4³+5³=6³ Puzzle

DMC_Run

263

modified Sep 14 at 7:38

0 votes

2 answers

366 views

"Famous award" - "on ships"

Will.Octagon.Gibson

15.8k

modified Sep 13 at 21:29

6 votes

3 answers

508 views

Where did I leave my keys?

Stiv

150k

answered Sep 13 at 13:29

4 votes

2 answers

218 views

How many balls in your friend’s urn (before you take any out)? [closed]

FirstName LastName

1,020

modified Sep 13 at 12:05

11 votes

2 answers

570 views

Look for mistakes!

Stiv

150k

answered Sep 13 at 6:42

9 votes

2 answers

642 views

The Celestial Mr. Harrison

bobble

10.3k

modified Sep 13 at 0:21

10 votes

1 answer

435 views

Connections vertically and horizontally

Lezzup

9,696

answered Sep 12 at 21:34

5 votes

1 answer

366 views

Combination lock on a pentagonal rotating table

Vincent

405

modified Sep 12 at 20:10

-2 votes

1 answer

109 views

An 18-Letter Challenge-B: three 6-letter words, with limitations

RobPratt

15.5k

modified Sep 12 at 19:23

42 votes

3 answers

4k views

Is this map real?

M Oehm

64.8k

modified Sep 12 at 18:35

-3 votes

1 answer

85 views

An 18-Letter Challenge-A: three 6-letter words, with limitations

RobPratt

15.5k

modified Sep 12 at 18:35

15 votes

4 answers

3k views

Getting lost on a Circular Track

Nautilus

6,798

modified Sep 12 at 17:51

43 votes

7 answers

4k views

The subtraction game

cjcyril

171

modified Sep 12 at 15:07

6 votes

2 answers

359 views

Of high importance

fandango96

511

modified Sep 12 at 8:53

Top Questions

Looking for more? Browse the complete list of questions, or popular tags. Help us answer unanswered questions.