All Questions

31
votes
0answers
2k views

One 'double agent' two-step on a waltzing floor

I'm in a jam – cornered I am! – No clue 'bout where to go Here's what went down, a pretty gown Some wine, a French chateau She whispered underneath her breath "Come dance with me and ...
20
votes
0answers
1k views

BFTIODFTTWKBCSC

This is my first self-developed cryptographic puzzle. I hope it is neither too hard nor too easy for you to break, and that you enjoy it. Please do not only post the answer, but also your way towards ...
18
votes
0answers
8k views

The Beale Papers

The background to this one's given here. NB: These may not be a genuine cryptograms (current thinking is that these are gibberish); but I though it interesting to share these in case they're genuine /...
15
votes
0answers
652 views

Peaceful Encampments

This math puzzle is due to Donald Knuth (as far as I know; maybe he got it from someone else) circa 2014. Consider a plain represented by the unit square. On this plain we want to “peacefully ...
15
votes
0answers
1k views

Deus Ex crypto puzzle

There is an encrypted email in the recent Deus Ex: Mankind Divided game: From the game files, this appears to be the string: ...
15
votes
0answers
1k views

Is there a more efficient way to rotate the centre pieces on the Octo-Star?

I'm looking for a more efficient algorithm to rotate the center column of the Octo-Star puzzle 45 degrees. The situation below occurs when four properly-oriented edges are next to each other, ...
14
votes
0answers
324 views

Find the place, find the palace

A part of me was a mode of transportation in the past. A part of me is the mode of transport in the present. A part of me is an important place in two fictional novels. A part of me has acted in the ...
11
votes
0answers
310 views

Rethinking this series on the syllabus

I assigned each person in my class the task of creating a number-sequence, however, 4 of the guys I usually consider to be leaders came back with baffling results. Can you make sense of their work ...
11
votes
0answers
281 views

The First Gate: Why So Tense?

Greetings fellow puzzlers and puzzled alike! I’ve concocted a little puzzle for you all... Well little may be an understatement, but I'll come back to that. Before starting, you should know that the ...
11
votes
0answers
448 views

Never Completed Game - Difficult Riddle

The seventeenth of the primes. Its twin is twentynine. Po. Let’s drive. Bye, Alfonsín. Add seven triangular. Sweet. It named the Valley. This riddle is taken from https://www.nevercompletedgame....
11
votes
0answers
474 views

Alternate, complex potions puzzle from HP fanfic

A long narrow room. The entrance is blocked by purple flame, the path onward blocked by black flame. On a table, the only thing in the room, are two dozen potions in opaque bottles. Half green glass, ...
11
votes
0answers
959 views

Decrypting the Key

So I've been trying to solve this Riddle called "Phage is Spreading.." ...
10
votes
0answers
177 views

A Domino Rectangle

Can you arrange a standard set of $28$ dominoes into a rectangle of $7\times8$, where each of the 8 rows sum to $21$ and each of the 7 columns sum to $24$? Image from WikiPedia. The 'twistier' the ...
8
votes
0answers
549 views

Crack the pigeon code

Can you crack this message? It was discovered in a chimney in 2012 attached to a carrier pigeon and was most likely sent during the D-day invasions. The GCHQ was not able to crack it, even after ...
8
votes
0answers
304 views

Secret message in a birthday email

A coworker sent this message around on his birthday. Apparently it has a secret message. Here is the exact email body: Good morning FakeCorp, I am turning 25 today so I'm offering loads of ...
8
votes
0answers
249 views

Determining the meaning of a challenge coin

I saw this rather cool looking challenge coin the other day, and I was wondering what the associated binary on the back of it means, as it isn't standard ASCII. I'd appreciate it if you all have any ...
8
votes
0answers
1k views

REALLY important days in history

@Z. Dailey asks a mathematical puzzle Important days in history... and to come! with a series of dates in years 1973, 1978, 1983, 1992, 2005. My puzzle asks the question: What is the previous date in ...
7
votes
0answers
231 views

April Fool's Enigma

Every year, a famous French youtuber (e-penser) presents his enigma of April Fool, but this year, targeting specifically a group of people who have done particularly well last year, he raised the ...
7
votes
0answers
551 views

3D ring/rope wooden puzzle (Eureka) solution?

I have a Eureka 3d Puzzle Model G: On the box there are 3 puzzles: Remove the ring Remove the rope Move the ring to the other side I have found a solution to the first puzzle: but cannot ...
7
votes
0answers
326 views

Grandma's keynote

Found this note which is addressed To my grandma, in her chest Since she's passed now, here's my quest.. What tickled her interest? And who invited her as guest?
7
votes
0answers
418 views

Meteor strikes again

Part of a phone call: -...well why didn't you just say so? -It wasn't as easy as you thought, Jack. All the power lines here were destro--- -I know...It's not like we're living on a different ...
7
votes
0answers
843 views
6
votes
0answers
155 views

My drunken formula?

I know that today is an important day, but I can't remember why... All I have in my possession is this formula I wrote last night in my drunken stupor: You go here: $$B = 25 + \biggl(\frac{O}{...
6
votes
0answers
216 views

What is a Trimpar Word™?

In the spirit of the What is a Word™/Phrase™ series started by JLee, a special brand of Phrase™ and Word™ puzzles. If a word conforms to a special rule, I call it a Trimpar Word™. Use the examples ...
6
votes
0answers
217 views

Generating different difficulties in custom puzzle

first of all this is my first time asking something here so please let me know if I am doing something wrong or asking it on the wrong place. I have a custom puzzle model where I need to generate ...
6
votes
0answers
481 views

How to Complete this Cryptographic Challenge?

I've been trying to solve this cryptographic challenge for months: ...
6
votes
0answers
259 views

Finding Rogue Kitty II

Having been met by a group of very unhappy bosses at Kitty is being 'returned' to the staff car when suddenly there is a commotion and she makes a run for it. As they chase her, little old ladies ...
6
votes
0answers
297 views

Best moves for a 7X7 4 queen board

There is a 7x7 board and 2 players, each having 2 queens. The queens can move just like the queens in chess, but cannot capture each other. At the beginning, the first player places both the queens on ...
6
votes
0answers
209 views

Encoded Dreams Cipher

This note was found at the scene of a Parisian artists loft in the 1960's. Sadly, he committed suicide the day before his first major exhibition. Can anyone decrypt his final written words? (It is ...
6
votes
0answers
459 views

Interesting ARG Image to be solved

Someone in my college hosted an ARG game. There is an image I've been trying to solve for a while. I have tried reading the EXIF, opening with Notepad, Changing various things in Photoshop [...
6
votes
0answers
972 views

I don't think I overcomplicated this

To: Bob <bbob@bobinator.com> From: John <jjohn@johninator.com> Title: I don't think I overcomplicated this Hey! I made a "challenge" for my kids. Do you think it's alright for them?...
5
votes
0answers
168 views

A multi-symptom affliction

"Kindly state your name." The nurse's voice was polite, but quiet. "I'm sorry, I can't hear you, my hearing's bad." Being mostly deaf was quite frustrating for our patient. "Please tell me your name ...
5
votes
0answers
373 views

Suzankas Riddle

Here is a puzzle I have been trying to solve for a long time. It was given at work as a monthly puzzle but the solutions were never released.
5
votes
0answers
321 views

Which Number Replaces the Question Mark?

Can you find out what the numbers below have in common? Can you figure out what comes next? ...
5
votes
0answers
370 views

Coloured dot cipher

I, as a curious being, stumbled upon a page which had a hidden dot cipher in it. Part of the console states: [...] we left you a little message in the dots of the footer (Source: segment.com) The ...
5
votes
0answers
294 views

The Congratulating Cryptogram

A sequel to "The Kind Cryptogram". This one is actually pretty hard, so I can give hints upon requests. (thanks to puzzledPig for the suggestion!) There are 4 "layers" to solve. In your ...
5
votes
0answers
530 views

Need help with a cipher

I am trying to figure out a cipher I think I found in a book from 1982 and it's a 36 year old mystery we are trying to solve (I will reveal the book if this turns out to be something so everyone can ...
5
votes
0answers
226 views

Is there a term for ZZ with CFOP F2L?

CFOP is my preferred method for speedcubing. Recently I thought of learning ZZ. Although recognition of bad edges was difficult, it made F2L a whole lot easier. However I feel that the basic CFOP-...
4
votes
0answers
208 views
+50

Number sequences: 000, X00… and 6X000X9, 700XX08

Q1: 000,X00,?,XX0 ,X00 Q2: 6X000X9,700XX08,00000015,?,00000015,?,00000015 These two questions actually come from the puzzles made by my friend. He gave me his puzzles recently but I couldn't figure ...
4
votes
0answers
215 views

What are the alphabets in the question mark?

BDCBAF :: ADBFCC :: CEBCAG = PDL :: XRI :: ? This alphametic question actually comes from the puzzles made by my friend. He gave me his puzzles recently but I couldn't figure it out. Any clues? ...
4
votes
0answers
98 views

Is my colleague happy with me?

So I graduated last year with a chemical degree and I started working in a lab. I'm still pretty nervous about making mistakes, so when I had to prepare a tricky experimental setup, I wrote down what ...
4
votes
0answers
126 views

No time for an emperor

I'm one word, made from two parts. Before this clause, some people I asked. One thought it was time to take chances! Another left to go where the dance is. Because they were lateral and ...
4
votes
0answers
202 views

Will you win the game?

You play a gambling game. On 100 folded pieces of papers are written 100 different values. You cannot see the numbers written on the folded pieces of paper, which are grouped in a pile. You pay 10 ...
4
votes
0answers
143 views

Problem #NaN Fodder/Output

Inspired by Ben Franks' Input/Output Problem #1 and the others in the series Hint: Knowledge required is
4
votes
0answers
72 views

How to create a puzzle from a pre-existing, fixed data source?

Examples of what I mean: Instructions lead puzzlers to a library where the names of donors are inscribed on bricks out front. Along with some piece of information that is given to them on a piece of ...
4
votes
0answers
206 views

A Way With Words

this isn't really much of a puzzle. it's just showcasing some meta ideas i had Bacon is said to have more than one origin. aguglia, lingot, lancelle, ain, other ...
4
votes
0answers
178 views

What are these encrypted Starfield tweets saying?

There are a lot of rumors about Bethesda Softworks and/or Bethesda Game Studios announcing a new game at E3 this year, or even on May 14th (source). A key in this mystery is the trademark 'Starfield'. ...
4
votes
0answers
218 views

Can anyone decipher this?

My friend just sent me this 5627 4654554 With a keyword of 'Digital' Which is apparently going to make this have some sense: At first, it's difficult to understand. But once you read down, you ...
4
votes
0answers
10k views

Crypto Riddle for a bonus track

here is a crypto riddle a artist named Master Boot Record put on the page of his music. 087 104 101 110 032 116 104 101 032 077 111 111 110 032 119 105 108 108 032 115 104 101 100 032 110 111 032 108 ...
4
votes
0answers
201 views

The search for dracula - a puzzle

Me and some friends are playing a roleplay about Dracula in the modern age. Last night, we received the following puzzle from the game-master. (7 1 1 1 1) (17 8 8 8 8) (4313 2755) With the ...

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