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Unanswered Questions

356 questions with no answers
1 vote
0 answers
221 views

A visual crack the code puzzle

Just have this now what are all these acronyms refer to and what is the code ?
1 vote
0 answers
152 views

Questionable Cipher

I have received a rather peculiar cipher and in all my years of crypto, I have never seen a cipher like this. The cipher is Numeric, Uppercase mixed with Lowercase. The only hint I'm given is "Capital ...
1 vote
0 answers
261 views

Two-column table of numbers from a geocaching site

I found this table, but can't seem to find any relation between the numbers. Also there is not much logic involved. 2002 13 1987 11 1984 5 1998 6 2004 22 1999 12 ???? ?? A table with numbers. ...
1 vote
0 answers
123 views

Filling a sudoku/latin square like array

Let us build a square array in the following manner, which I would like to call a modified sudoku: 1) Every row and column contains only one copy of a positive entry and there are exactly $t$ such ...
1 vote
0 answers
246 views

RO:09-RI:10-PO:05-PI-22

One of my friends who is good with cyphers and puzzles challenged me to solve this one. I think it reveals a name, or date or some information with which he can surprise his friends. I couldn't find ...
1 vote
0 answers
129 views

What are some tips to solve an environmental-based enigmatic puzzle (EBEP's)?

First, some rough definitions: enigmatic puzzle: a problem where the goal / answer should be well-defined (e.g. enter a certain word or phrase into an form which is accepted; find a clue to a ...
1 vote
0 answers
169 views

I need help solving a riddle for my English class, any aid will be greatly appreciated

I need help solving a riddle for my English class, any aid will be greatly appreciated. When Blood runs black on crimson tides, a sanguine king sets out from this domain.
1 vote
0 answers
339 views

Decoding ciphertext with base64 yields obscure unicode

Context: I was given a piece of encrypted string to decipher and I have been stuck at it for a while. To not ruin the point of the problem, I will provide only some description of the text and my ...
1 vote
0 answers
267 views

AWS Quest - First Clue

AWS are hosting a puzzle hunt: https://aws.amazon.com/awsquest/ - the first clue is here: https://twitter.com/jeffbarr/status/972382654682120192 The only thing we have to Amazon Sphere is Sphere ...
1 vote
0 answers
271 views

What's this message? It should be in italian

I received a challenge, deciphering "cgo feco a atm", the result, if a sentence, should be in Italian. I've tried the ceasar cipher without success, maybe you can help? Thanks!
1 vote
0 answers
325 views

Trying to solve Geocaching puzzle

I'm trying to solve this Geocaching puzzle. NZ NO PE KR AT AT PE AT UK MM SE Hint: Puzzle includes acting The answer to the puzzle should give some GPS coordinates, most likely in the following ...
1 vote
0 answers
206 views

Possible number based cipher… but which one?

Here's a sequence of numbers: 133, 173, 30, 133, 176, 160, 171, 63, 137, 176, 160, 60, 177 I'm sure they are an important part of a puzzle I'm trying to solve which I found hidden in an image - ...
0 votes
0 answers
70 views

In the rims of hell, A river flows

In the rims of hell, A river flows Upon it, a growl forms Two brothers, fighting for lost cause Loved one another Could not look in the eye For he was on fire He screamed liar to his lover Before he ...
0 votes
0 answers
174 views

Alternate 100 Blue Eyed Islanders Riddle Conclusion - Contradictory Laws

In the 100 blue-eyed islanders riddle, there is a rule that if an islander figures out his eye color, he must leave the island. Doesn't that contradict the other rule that he can't inform anyone else ...
0 votes
0 answers
99 views

Artist puzzle/ARG: "The key is: 33.60d813551512431"

A Greek singer/trapper has a website with his name on it that's very cryptic. I'm linking the website here https://sinboy.gr . There are a few things that are strange but I would like to focus on the ...

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