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1500 questions
62
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3 answers

Left coin, right coin, last coin?

In this game, all players start sitting at a round table, each with a coin in their hand. At every turn, all players toss their coins together and put them on the table in front of them. Then each player looks at the coins tossed by his left and…
GOTO 0
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A pilot's messages

A friend of mine works as a pilot, so he travels a lot and I don't see him that often. But every year around the same time he sends me a message. He has been doing that ever since 1997. Here is a list of all the messages he sent: 1997: 0.6 -…
Levieux
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62
votes
5 answers

Secret Admirer Secret Message

There are 4 interns at the new government agency. All 4 are comp sci majors. John is the only male. The three girls are all close but secretly like John. Lisa is playing hard to get and hopes John will make a move but could trick John into asking…
Bozman
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62
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3 answers

My jokes may not make you smile, but at least my name will

Stolen from babies as soon as I'm born, Right from my maker by force I am torn Pale at first, weak, and infirm, Oh how I'll change in my ultimate form. Billions of creatures will toil away Changing me subtly, day after day. I will be ready, it won't…
Egor
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62
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4 answers

Gain Access to the Café's Internet

There's a cool new cybercafé in town called #DECAFE The café charges a fee to use their computers, but if you BYOC (bring your own computer) you can get on their internet free with any purchase... if you know how! After you pay, the cashier says a…
Will
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62
votes
1 answer

A Message to the SE Admins

We're graduating! I feel the only appropriate way to respond is a Stack Exchange themed puzzle: Albertan politician who succeeded Lucien Maynard (6, 7 or 6, 8) Approved for passport authorization (6) Famous stage direction from The Winter's Tale…
Deusovi
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62
votes
5 answers

How to beat Count Dracula

Abraham Van Helsing and Jonathan Harker play a game against Count Dracula. The three players agree on the following rules: Count Dracula and Van Helsing enter the crypt, while Jonathan Harker has to wait outside. The crypt contains 1000 coffins…
Gamow
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62
votes
2 answers

Does the Rubik's Cube in this painting have a solved state?

This is an image of a Rubik's Cube I found in the Men's Toilets during the first day of a big Scrabble tournament. This position is impossible for the standard Rubik's Cube (White/Red/Blue opposite Yellow/Orange/Green respectively) for any number of…
happystar
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61
votes
2 answers

You have 13 minutes to unlock this safe

I want to share one more chapter of the puzzle crime story I make for my website. All of the information for solving this puzzle is contained in the text and the image below. As usual, any feedback will be highly appreciated. Thanks! In the moment…
Puzzle Prime
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61
votes
1 answer

The Ludicrous Loop: over a thousand cells of circular logic!

Flavourtext is for flavour only. Ladies and Gentlemen, are you feeling ludicrous today? A little loopy, perhaps? Then come one, come all, for I have just the thing for you. Lampreys and Jellyfish, we have here a grid deduction puzzle which has over…
TheGreatEscaper
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60
votes
6 answers

What makes an Interesting Puzzle™?

This puzzle is based off the What is a Word™ and What is a Phrase™ series started by JLee and their spin-off What is a Number™ series. I like What is an Adjective Noun™ puzzles. Here are a few I prepared earlier: Let's start off with an easy word…
boboquack
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60
votes
9 answers

What would be your next deduction in this game of Minesweeper?

Currently stuck in this game of Minesweeper. Can't seem to find any openings, so what would be the moves you would take and why?
Kelsey Abreu
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60
votes
4 answers

What is the maximum number of solutions a Sudoku puzzle can have?

I've seen Sudoku puzzles that can be solved two different ways. Referring to a traditional 9x9 grid: Is it possible for a Sudoku puzzle to have more than two solutions? If so, what is the maximum number of solutions a single Sudoku puzzle can…
WendiKidd
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60
votes
3 answers

What is the number of the parking spot?

One needs to find the number under the car. Source: unknown
klm123
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60
votes
5 answers

Who shall come to the tea party?

All of your stuffed animals are assembled, anxiously waiting to learn who will be be invited as the Guest of Honor to your next tea party. This is to be an exclusive party, after all, as there is to be only one Guest of Honor. This is by…
Trevor Powell
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