Questions tagged [cipher]
A cipher is a simple method of modifying messages to make them unreadable, but still possible to recover. Common ciphers are Caesar, Vigenere, Atbash, and several types of substitution cipher. Other ciphers include polynomial ciphers such as Playfair, Foursquare, etc.
1,384
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Such a simple task!
"Gosh-darn-dag-nab-it-to-tarnation!" Jimmy hear's Darlene yell from across the farm. Figuring he'd better go face this head on, he heads towards the barn.
"What the hell happened Jimmy? You were just ...
2
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0answers
88 views
An American Friend Cipher
An American friend of yours, JL for short, sent you the following message: "I can only say that 22. 21. 24. 21. 9. 3. 6. 9. 27. 2. 23."
The hint says the key may be in the initial part of this ...
5
votes
1answer
89 views
Find the location of the royal artifacts
London, 13:20
While media and experts are still baffled on how Inspector Arbor caught Norman Erdmann (can you solve it? See here) Arbor himself has no time to rest.
Police has already questioned ...
0
votes
1answer
92 views
Solving A Numeric Cipher Where Numbers Replace Letters
I think this code is my masterpiece- let's see what you think:
...
6
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2answers
371 views
Need to solve this
I got a puzzle to solve from the guys at my stag party; and I need it solved by my wedding (next Saturday). I spent hours looking at this but I can't find the solution; can anyone help me?
I got a ...
1
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1answer
412 views
A Coded Message
One occupational hazard of the detective business is the paranoid client who is certain his every move is being watched. As a corollary of this, I have received a rather large number of coded ...
8
votes
1answer
266 views
The Vatican Relic Heist
Deep within the catacombs of Rome, we discovered a secret entrance into the catacombs beneath Vatican City. Upon further exploration, we discovered a great vault. On the massive door of the vault is ...
2
votes
1answer
160 views
Decode this message:
Gongs.
Achtung! 16324 Trennung 28, 16324 Trennung 28
95220 27182 42355 04528 41268 85136 75910 93275 41209 45460 25239 06265 19939 17512 39694 83952 03747 33998 37518 73308 24473 53061 85975 08947 ...
14
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2answers
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Help required stealing Christmas presents
Archibald, Beatrice, and Chrysostomus were finally at the end of their journey, at the entrance of the much sought-after room. To get there, they already had sneaked past the guards, crawled through ...
24
votes
1answer
599 views
Lost in Translation
You arrive on a foreign island, but upon heading to the local library, you find yourself unable to decipher the texts. You wonder what's caused this...
...
27
votes
2answers
621 views
Is there a code in this painting?
This was posted in a Facebook group yesterday. It’s also made the rounds on Reddit but all of the commentary seems like scattershot speculation so far. From the post:
This is a painting done my ...
4
votes
1answer
164 views
Square Image - Sifr wa Wahed - Gol va Keleed
Title is irrelevant, but here's a simple puzzle I made...
3
votes
1answer
171 views
SoIve this cipher, please [closed]
Solve this cipher, please.
24/12 is coming so 25 24 18 25 27 18 25 26 18 27 29 18 26 23 18 26 45 18 26 42 18 26 27 18 25 21 18 23 22 18 26 28 18 27 29 18 26 21 18 25 28 18 24 45 18 23 20 18 26 22 ...
7
votes
1answer
465 views
Complete this puzzle(the right way)
A circle and squares.. Try to complete this picture(the white areas) and explain why!
Hint1a
Hint1b
4
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2answers
459 views
What could it be?
What could it be? Hmm... Try complete the picture!
Hint1a:
Hint1b:
Hint1c(strong):
Hint1d(stronger):
10
votes
2answers
2k views
3
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1answer
298 views
5
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1answer
246 views
2
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1answer
104 views
Another picture problem
Another picture puzzle. Replace the question mark. Once again, the information needed is there. So, try replace it!
5
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1answer
183 views
Picture-Problem
Here is a picture problem, and the task is to replace the question marks. All the information needed should be there. So... try figure it out!
2
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1answer
174 views
Hiker's Cabin Mystery | Pt. XVII
Sorry for the long break everyone! It's been hectic. Here goes XVII:
There is another chamber of the labyrinth which contains yet another inscription on the wall:
Once again, there is a keyboard and ...
2
votes
1answer
182 views
Visual calculation puzzle
Below are some objects and numbers. Try figure out what they represent and finally replace the question mark.
3
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1answer
124 views
Quit scrambling my keyboard!
It happened to me again! More scrambled, this time.
ncb , r2u 3b,99 bn/c b72b ic326c
2
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1answer
235 views
COLOR-PUZZLE.2. Complete the picture
I have made another color puzzle. Try complete the picture.
Edit made!
Hint1:
Hint2:
Hint3(last one):
3
votes
1answer
119 views
Keys have been shuffled, boards turned
Some person decided to mix up my keys, and I forgot where my letters are.
Fqji.br.hqrcu;wa-.'ubquvq.'zw;cjqa.ye
4
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1answer
343 views
9
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1answer
344 views
5
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3answers
481 views
6
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1answer
291 views
Density-type puzzle: Having A Good Day?
Here's another Density puzzle. I've got to say, I really like making these. Part of this is pretty simple, and part of it is much more complicated. Let's see what happens! Here it is:
Solution: (3,1,...
8
votes
1answer
238 views
Mapmaker mauled by mace meets meretricious monk
After abandoning my job as a researcher due to a pirate attack, I've taken up a job as a galactic cartographer. To support my craft, I've made it my business to explore whichever galaxies I can. ...
11
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1answer
343 views
Density-type puzzle: Is This Too Difficult?
After seeing some of the puzzles that other people have made, I decided to try making one of my own. I especially like the idea of Density puzzles, invented by @Dmihawk. This is the first puzzle I've ...
10
votes
1answer
294 views
Hopscotch Cryptograph
With a little squinting, you should be able to discern a message which runs from the top to the bottom of the text box below. (I have indicated the column with a little arrow.) That is the visible ...
7
votes
2answers
624 views
Missing word! What word am I looking for?
What word am I looking for? Try decipher the following:
((CZ18172612)⁺¹)=_____?
Edit; Gary S was very close, but here's a hint...
7
votes
1answer
198 views
Images and mysterious numbers. Replace the question mark
Below we have some images and numbers. Try replace the question mark.
(▭, ∆):(1147125)::(🙌, 🛸):(198916)::(🌆, 👑):(152314)::(🔥, 🥩):( ? )
Hint:
3
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0answers
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Zed's E-mail: My Good Ol' Uncle Sugar
My friend Gabby and I constantly look out for each other. Just the other day, she received a strange message from what I thought was an uncle of hers. "Problem is," she started with a worried look, "I ...
3
votes
1answer
162 views
Letters and numbers… Replace the question mark
Here's some letters and numbers. Find "?"
(S,V):3::(U,K):16::(T,F):5::(L,K):5::(M,W):1::(I,O,M):?
Hint1:
Hint2:
Ok, this is a minor give away,...
4
votes
1answer
170 views
A Coldport Christmas puzzle
Detective Inspector Playfair, an energetically boisterous policeman who often complained about Endeavour Morse having his own TV show, was sat on a bench at the side of Coldport's newly laid town ...
0
votes
1answer
69 views
Encrypted text related to murdered Scottish king or queen [closed]
The following image should lead to a 4-digit numeric code.
The hints given were as follows:
and
I've made some progress, but I have no idea if it's in the right direction, so I don't know if I ...
1
vote
2answers
186 views
If these equals… then what number is “?”
If,
7∆ + 11□ - 2□ + 1∆ = 36
12∆ - 8∆ + 8□ + 2∆ = 25
3□ + 17∆ + 5□ + 2∆= 289
then,
1□ + 7□ + 2□ + 3∆ + 17∆ = ?
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0answers
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Input on a cipher? [closed]
So, I randomly stumbled across this cipher/code and I am pretty stuck and wondering if anyone had any input:
65706377 736D 797367 676B72687A67 74636D64 7161 B8B 78863B1F56468 767A796B 71 6C6E79657A ...
2
votes
1answer
118 views
Number missing! Replace the question mark
A number is missing. Find "?".
((13 19 4□)⁽⁷ ⁴ ⁻¹⁾□) + ((14 6 4□ 3□ 5)⁽⁶ ² ² ⁻⁴ ⁾□) + (4□ 13 12 5 23 5)⁽⁴ ¹⁰ ⁻⁷ ⁷ ⁻¹ ⁾ =
?□
7
votes
1answer
387 views
Number puzzle. Can you replace the question mark?
Replace the question mark.
If,
[5 22 5 14 19] 12 16 19 21 [[15 20 23]] = 65
then,
[[8 5 18 20 5]] 9 13 19 14 21 [14 14 5 9] = ?
2
votes
0answers
511 views
Decode this message to stop the destruction of Science!
An extremist religious organization called "The Redeemed Against Scientific Usurpation of God's Authority", or RASUGA, have converted the world's leading time travel researcher to their beliefs. Using ...
12
votes
1answer
309 views
Crack the $4$-letter word from the following figure
As said in the title, it's a $4$-letter word. I actually found this in my old notebook which I kept like two years ago. Most likely I made this once for my friends to decipher, though I don't clearly ...
8
votes
1answer
206 views
A puzzling Thanksgiving note
My uncle Fausto is visiting for Thanksgiving. He's very clever with riddles and codes and such, and so it was no surprise when I received a card from him today with a strange message on it. The ...
0
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0answers
187 views
While raiding a lost tomb the following script was found
While raiding a lost tomb the following script was found. Upon closer inspection it is evident that it is a cipher text.
The goal is to decipher the cipher by figuring out its key.
1
vote
0answers
148 views
What are sequences of letters/symbols for creating a cipher?
I have two gears with different numbers of teeth (20 and 10):
The small gear makes two turnovers, while the large gear makes one turnover only.
My idea is to use a large gear as an alphabet wheel (...
7
votes
0answers
398 views
Zed's Phone: Failure to Communicate
My friend Beto and I constantly buy things for one another. One day, he gave me a strange-looking phone and said it was my birthday gift (My birthday wouldn't be until 3 more months). He said he ...
4
votes
1answer
147 views
How to connect a chessboard and a cipher into puzzle?
Let's say you have (a) a chessboard with figures and (b) a text from a book. The figures configuration is the Cardan grille, https://en.m.wikipedia.org/wiki/Cardan_grille
When you put the chessboard ...
5
votes
1answer
192 views
Body Language, Perhaps?
You should be able to tell what I'm saying by looking at what I'm doing with my hands and combining the expressions on my face. Just be careful to mind your p's and q's (and your i's and j's).
...
