# All Questions

149 questions with no upvoted or accepted answers
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### 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 ...
9k 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 /...
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, ...
429 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 ...
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: ...
352 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 ...
285 views

### What is a NaturaW Word™?

This is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles. If a word conforms to a special rule, I call it a NaturaW Word™. Use the ...
373 views
+50

### The Hidden Treasures

Credit: Brandon X. My friend made this riddle and I think it’s pretty well made with lots of components, so here it is: ...
251 views

### 6x7 Pokemon-based cipher

My friend made this cipher for me to solve and it has me stumped. Wondered if anyone else would want to take a crack at it. All it is is this image: Names of the pokemon in order are (assuming I ...
361 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 ...
534 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....
362 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 ...
510 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, ...
1k views

### Decrypting the Key

So I've been trying to solve this Riddle called "Phage is Spreading.." ...
272 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 ...
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 ...
888 views

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273 views

### Cloudy with a chance of meatballs

I discovered that I can control the local weather, depending on what color shirt and hat I wear at a given location. My home country of Flanmanistan has hired me to go back and do drought and famine ...
262 views

### She went… She stayed

In 1969, she went to Kazhakstan. She stayed $1$ year Then she went to Mongolia. She stayed $1$ year In 1971, she went to ...
669 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 ...
302 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 ...
352 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?
161 views

### What is a Macho Word™?

This is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles. If a word conforms to a special rule, I call it a Macho Word™. Use the ...
178 views

### An Unusual Amount Of Help

Another day, another helpmate to solve! Here's a really complicated one! The Black pawn on Black's first rank moves like a normal Black pawn. It's White to move first. Given that White moves to ...
275 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 ...
660 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 ...
433 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 ...
512 views

### Weird and complex puzzle that we need help with

So basically this is a complex deep web puzzle and we're pretty much stuck at it right now as we don't have any idea what this is about, any help will be aprreciated (the attached images are the ...
338 views

### Dodgy Dies: The Puzzling Premiere

Inspired by the "Treasure Hunter Monolith" minigame from Danganronpa V3 Dodgy Dies Guide Terminology Block - a single die on the grid. Cycle - a list of blocks Value - the ...
261 views

### What causes these signs to follow this relation?

Can you find why does the below relation hold true? Hint 1 Hint 2
188 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}{...
150 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 ...
491 views

### Which Numbers Replace the Question Marks?

Can you find out what the numbers below have in common? Can you figure out what comes next? ...
514 views

### How to Complete this Cryptographic Challenge?

I've been trying to solve this cryptographic challenge for months: ...
272 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 ...
310 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 ...
214 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 ...
469 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 [...
996 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?...
222 views

A detective was working undercover to try to bust a suspected gang of criminals. He got invited to a fancy club that needs a password to get in, but the gang leader said that everyone will be given ...
153 views

### Unfold a right angle pyramid into a square

This puzzle refers to a feature of right angle pyramid: The relation between the areas of the three perpendicular faces and the diagonal surface area is given as - $S^2_x+S^2_y+S^2_z = S^2_d$ ...
140 views

### Professor Annity’s invention

The following morning, I found my mentor, Professor Annity, busily cleaning up after what looked like a series of curious experiments. As I entered the lab, she fixed me with a familiar sort of ...
170 views

### Numerical puzzle

A friend of mine sent me this puzzle, to solve it you need to use: 1) basic arithmetic operations. 2) Multiple numeral systems.
192 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 ...
428 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 ...
298 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 ...
551 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 ...
244 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-...