- London quiz
- a word puzzle from MENSA
- A math problem: Cutting cake
- Who has the pet fish? - Timed Puzzle
- Grow sequel
- Golf & Probability Puzzle
- Hardest puzzle in the world
- Math Problem
- The Mysterious, Unlucky Cat
- Logic challenge
- What is the hidden word?
- math puzzle
- A puzzling game
- Planarity
- Find The Theme
- 53 basic puzzles
- Puzzle Breaker: New and Improved
- From Popular Science mag, April 1960
- Logic and the Forum Rules
- hidden spoiler
- Who can identify the mystery item?
- So you think you know Canada, eh?
- A number puzzle
- balance weights
- Johnny and the jeweller
- I have a Challenge!
- Three Way Duel
- life and death in the wild
- Some fun quizzes
- Pyramid Game
- If T.S. Eliot Hit His Thumb With A Hammer...
- Soduko ~ How in the HELL does anyone figure out...
- I'm curious about water towers.
- Why Players Do Chip Flourishes at the Table
- Pythagorean triangles
- Moderation
- Code cracking
- Another cryptoquote
- Help me with this puzzle please!
- phi aspect of Yin Yang or just something else?
- GROW - the seasonal version...
- Crazy passanger...
- Tough General Knowledge Quiz 2005
- Questions without Answers
- aeroplanes and conveyor belts
- Slinky
- Best illusion ever
- Wooden board games
- So you think you're an engineer?
- Tommy's tricky tiling teaser
- How long is a moment of time, and how small is an instant?
- Help me with this game
- For the numerically inclined: a challenge/plea for help
- Can you figure out this operation?
- Trying to remember a toy from the 60's
- Last two digits?
- one of those puzzles
- Disguised games
- Multiplying
- Help a dumb physicist time again..
- Puzzle Problem
- A game in which players must disstinguish between women and men dressed as women
- Cake division
- Scientific Haiku Challenge
- A favorite puzzle
- Quinian Crossword Puzzle
- Pastry shapes
- Probabilities puzzle
- Chess Tactics server
- A kind of puzzle
- Golf puzzle
- So you're stranded on an island..
- Real world strategy puzzle
- Phone many friends...
- The NewScientist Enigma Puzzle Thread
- This is fun
- Please Help Me!!
- How old are Alice's daughters?
- Stop me if you've heard this one before...
- Moving a digit
- Area of a CD
- Primal probing
- Switch mystery
- Alphabetize the integers
- The "Also Known As" Marathon
- Unknown Object
- Da Vinci Code .. Is it just me ? ( possible spoiler )
- Is this fair? Dividing a slice of cake in three.
- How observant are you?
- Daylight hours
- I'm sure this one has been posted before...
- How is this done?
- The language game
- Cartoon: Dowsing the Werewolf?
- What are the most logical colors?
- Triangle with 3 right angles
- When was Hamlet Set
- Advanced Maths
- Car Talk Puzzler - whodunit?
- Positional Swap Puzzle
- Identify the Logical Fallacy
- Which weighs more - a pound of feathers or pound of iron?
- Was Galileo right?
- Probability Help!
- How much does hair weigh?
- The Boy/Girl Problem
- Catch Phrase Bypass
- Split from Saizai's "Fallacies"--Lewis Carroll Logic Puzzles
- Conumbrums
- Sequences
- Playing-cards puzzle
- Conunbrums Variant
- "The Skeptics Guide" Weekly Puzzle
- Game of chess on my phone
- Does anyone remember the "country game" that used to be here?
- Tic-Tac-Toe Problem
- Rank in terms of difficulty to solve
- Thread Survivor: 7 players needed
- Gone to the Movies
- Trigangle puzzle
- 27! (A nice puzzle from the Guardian)
- A Physics Question
- Haiku Game: Renga
- weffriddles?
- Garage Sign
- I Submitted A Puzzler To Car Talk
- Need help with a physics problem. (Impulse)
- Spot the limerick
- New "invisible" text code added
- Another physics question
- Marilyn Vos Savant
- A tale of two juries
- Polar Express
- Globetrottin'
- It's Definitely Irony
- Name the Poet
- Baseball Arithmetic
- Later!
- Coin Probability Puzzle--Why Am I Wrong?
- Statistical significance test
- The 102nd King William's College Quiz
- The Irresistible Computer Logician
- It Comes From a Gene
- Project Euler
- Stumper
- Scrabble magic square puzzle
- The TAM5 Crossword
- Threadmill physics
- A Portrait of Musical Brilliance
- First a Step to the Left
- 62½¢ Trivia
- Prepare to be Brainf**ed!
- Monty Hall - the four door version
- The Roulette Conundrum
- 6½ Weeks of Choice Hare Growth Remaining
- Doctoral Candidate Frauds
- Sideways Bicycle
- The title of this thread is at best vaguely related to finding this puzzle's solution
- Online Treasure Hunt
- devide the face of a clock
- Armadillo Run
- Alchemist Dar
- Pub Trivia Tie Breaker - Mindbender
- Find the odd one
- [TRIVIA] 20 Questions: Lyrics
- the most difficult quiz question ever - could you solve it for cash?
- Riddle
- Car Talk Puzzler
- How old are the children?
- The Missing $1
- [TRIVIA] 20 Questions: Movie Actors
- Is this puzzle solveable?
- Solids by pattern
- Tag -- You're It!
- Pre-School Test
- Wason's Card Problem
- Sum of decimal fractions
- Sum of numbers 1-10
- monkeys and coconuts
- Splif
- sum of square roots
- Name the 49 European countries
- Equation puzzle
- Toothpick Puzzle
- High Scorers
- Knives & Cups trick
- Lateral Thinking Puzzle #1
- Word puzzle
- Wanted: New Lateral Thinking Puzzles
- How much can you remember
- Cross-country car puzzle for kids: disemvoweled states
- Your favorite bar tricks
- Reverse CATCH PHRASE challenge
- Homonym Horror
- A puzzle I just made myself
- jock and phlegm fib
- Around the world
- Products sum to 10 or more
- The Five Newsborys
- Fun with words
- Double vowel word challenge
- Moebius strip folding
- Imaginary numbers
- Remedial Catch Phrases
- Order of Words
- Word Game
- Little Molly - What's the Answer?
- Four 4s chain
- Psychic test
- Which one is different: 53, 76, 01 ?
- Thinking about knowing stuff
- A puzzle and a trick
- Technical Puzzles
- Squares from a square
- Acrostic
- Normal Phrase Out
- Puzzle
- Nursery rime teezer
- The title of this thread is definitely related to finding this puzzle's solution
- Piles of Gold
- Prisoners with Hats
- An addictive little logic game...
- More Prisoners with hats
- A Clock Runs Funny
- Museum of Hoaxes site has a photo test.
- Free Rice...
- How many in this group can you name?
- Odd Gunslingers
- Coincidence
- Circle on a chess board
- Dividing a cake equally
- Quatrain Challenge
- What's wrong in this picture?
- The hidden tiger
- Dollars or cents?
- Math puzzle
- Math Puzzles: Oldies but Goodies
- Logic Puzzles
- What was I seeing?
- Famous Magician
- Power shower
- Building a hill
- Try to guess what this is
- blued eye problem
- Length of a spiral
- 26 letter cross-word puzzle
- e^pi or pi^e?
- Forty year old defective puzzle still being published
- Prove that pi > e
- Silly word game involving the periodic table