klm123's user avatar
klm123's user avatar
klm123's user avatar
klm123
  • Member for 9 years, 11 months
  • Last seen more than a week ago
50 votes
Accepted

What is the number of the parking spot?

42 votes
Accepted

Draw a line through all doors

35 votes

Draw a line through all doors

28 votes
Accepted

Coin weighing problem

26 votes
Accepted

How much red sand and how much blue sand?

26 votes
Accepted

What's the password?

26 votes
Accepted

What are the features of a well-written puzzle?

23 votes
Accepted

How to solve this IQ test puzzle with arrows and pied squares?

22 votes
Accepted

How to survive, with statistics

22 votes
Accepted

Switch The Knights

21 votes
Accepted

King Octopus and Servants Puzzle

21 votes
Accepted

The smallest crossword

21 votes
Accepted

A two player game: Player who gets to 1000 or more first, wins

20 votes
Accepted

Copycat Chess (Part 1/3)

19 votes
Accepted

Copycat Chess (Part 2/3)

19 votes
Accepted

How many paths are there through a chess board?

18 votes
Accepted

Knights and knaves in a foreign language

18 votes
Accepted

A boy and his father

17 votes
Accepted

Copycat Chess (Part 3/3)

16 votes

A cube puzzle (Multiple of 6)

15 votes
Accepted

Professor Halfbrain and the next square

14 votes

2 vs. 1.005^200

14 votes

Knight, Knave and Joker puzzle

13 votes
Accepted

Survive from death by asking the right question from trolls

12 votes
Accepted

Near-impossible puzzle for Christmas

11 votes

Copycat Chess (Part 3/3)

11 votes

Mirror Room Puzzle (Thought Experiment)

11 votes

A square and a circle at once

10 votes

Faulty computers

10 votes
Accepted

Men digging holes