User Lopsy

64 votes

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Coin Flipping Game with the Devil

answered Apr 15, 2015 at 8:54

61 votes

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The lion and the zebras

answered Feb 16, 2015 at 15:10

45 votes

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Is the magic liquid in the bottle safe to drink?

answered Dec 24, 2014 at 13:54

35 votes

Five Angles in a Star

answered Jul 9, 2015 at 23:40

22 votes

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Descramble the scrambled text

answered Dec 20, 2014 at 18:38

20 votes

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Find smallest rectangle divided into figures so each figure has 5 neighbours

answered Jan 24, 2015 at 14:19

18 votes

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Hidden planet area

answered Jan 16, 2015 at 9:40

14 votes

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Flipping a randomly-lopsided coin

answered Jan 20, 2015 at 19:41

14 votes

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The subtraction game

answered Mar 11, 2015 at 13:07

14 votes

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Automatically a Knight, Knave, and Joker

answered Nov 13, 2014 at 19:40

13 votes

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Will The Ant Ever Reach The Car [Part 2]

answered Nov 10, 2014 at 17:08

13 votes

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The Erasmus chessboard theorem

answered Oct 4, 2015 at 16:53

12 votes

Ant walking on a number line

answered Apr 4, 2015 at 13:40

12 votes

Are there any popular puzzles with polynomial-time algorithms?

answered Jan 31, 2015 at 23:05

10 votes

Another probabilistic coin puzzle

answered Dec 28, 2014 at 17:29

9 votes

Accepted

An Exclusive Party

answered Jan 27, 2015 at 11:38

9 votes

Stitching together two identical planar shapes

answered Jan 6, 2015 at 20:54

8 votes

Hat Guessing Game in Vegas

answered Jun 5, 2015 at 19:36

8 votes

Magic Square with more Magic Squares inside it?

answered Dec 17, 2014 at 0:20

8 votes

How to generate and count the 7x7 Latin squares

answered Dec 21, 2014 at 3:40

7 votes

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A village of pick pockets!

answered Jan 23, 2015 at 8:51

6 votes

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How many magazines?

answered Jan 30, 2015 at 18:04

6 votes

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Be an artist with Klauz

answered Apr 20, 2015 at 21:38

6 votes

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Magic Matrices?

answered Dec 21, 2014 at 5:02

6 votes

One Hundred Lockboxes, Variant

answered Jul 15, 2015 at 15:33

5 votes

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Finding a knight with a few jokers thrown in

answered Jul 14, 2015 at 15:18

5 votes

Escape the dungeon, by deciphering the codes and navigating the rooms to find a way out

answered Nov 15, 2014 at 16:36

5 votes

Cooperative guessing game

answered Apr 12, 2015 at 13:47

4 votes

It rains in Gadyukino

answered Mar 22, 2015 at 13:59

4 votes

Sudoku net that is always solvable

answered Apr 15, 2015 at 20:33

Stack Exchange Network

44 Answers

Coin Flipping Game with the Devil

The lion and the zebras

Is the magic liquid in the bottle safe to drink?

Five Angles in a Star

Descramble the scrambled text

Find smallest rectangle divided into figures so each figure has 5 neighbours

Hidden planet area

Flipping a randomly-lopsided coin

The subtraction game

Automatically a Knight, Knave, and Joker

Will The Ant Ever Reach The Car [Part 2]

The Erasmus chessboard theorem

Ant walking on a number line

Are there any popular puzzles with polynomial-time algorithms?

Another probabilistic coin puzzle

An Exclusive Party

Stitching together two identical planar shapes

Hat Guessing Game in Vegas

Magic Square with more Magic Squares inside it?

How to generate and count the 7x7 Latin squares

A village of pick pockets!

How many magazines?

Be an artist with Klauz

Magic Matrices?

One Hundred Lockboxes, Variant

Finding a knight with a few jokers thrown in

Escape the dungeon, by deciphering the codes and navigating the rooms to find a way out

Cooperative guessing game

It rains in Gadyukino

Sudoku net that is always solvable