Questions tagged [steganography]

Hidden data concealed in otherwise unsuspicious pictures, text, and/or audio.

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24
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1answer
2k views

The first Density™ Puzzle!

Welcome to the very first puzzle in a new series! It's all about (hopefully) exploring new ways of creating puzzles, as densely as possible. If you'd like to create your own Density™ puzzle, the ...
133
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2answers
8k views

A mysterious email from Andrew Void

You are a secret agent in the service of the KGB, about to embark on a highly dangerous mission to infiltrate MI6. You have your disguise, your papers, and your backstory all prepared. The night ...
54
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1answer
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Mithrandir has lost his keys!

Announcement: All puzzles are being delayed because my Puzzling notebook with all of my keys disappeared. :/ -- Mithrandir Some hours after discovering this devastating loss, Mithrandir went to bed. ...
18
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1answer
668 views

A mysterious email from the Historical Society

You are a secret agent in the service of the KGB, recently deployed on a highly dangerous mission to infiltrate MI6. After a delay when your superiors thought your cover had been blown before you even ...
11
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5answers
801 views

The Word Web of horror - Clue Twenty Two

<<---First clue <---Previous clue As you say the word, the floor starts rising. You are now able to reach the trapdoor. You push it open and climb out. You blink in surprise. You appear to ...
152
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1answer
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Chaos and Order: a visual puzzle in stained glass

I created a visual puzzle, which my wife then implemented as part of a stained-glass window. I've no idea if it is (a) obvious, (b) stupid or hopefully (c) extremely clever, and hence would love to ...
58
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3answers
3k views

The Sands of Time

There are people who claim that they can look upon the land, and the land will speak to them. I recently got caught in a sandstorm, and particles of sand flew past my eyes. What is the desert saying? ...
42
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2answers
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Neurotic frogs ought to relax in mud baths

What is the hidden message in this advertisement? Neurotic Frogs Ought To Relax In Mud Baths! Perpendicular lounging calms. A frog, a mud cap... bliss! Wallowing generates happiness. Amphibian ...
41
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3answers
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Oh no! The mods are gone! (and Rand al'Thor, too!)

Dear Puzzling Users, Oh dear, where start? I guessed it started with my feelings that the mods are way too overbearing. And then I realized, "Hey, I don't have to put up with this sh*. I can ...
38
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3answers
2k views

Lepidopterology needed!

This puzzle belongs to the puzzle series: hyper-modern art The two friends in the gallery of Hyper-modern art are still discussing. "You know what, to certain extent I start enjoying this Hyper-...
35
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1answer
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Lolcat Steganography: Find the message hidden within the transport medium of humorous feline photography

The Bad Guys (curse them!) have begun communicating in lolcats, to enable their Internet communications to take place unnoticed. This is a job for the NSA/GCHQ crack team of cryptanalysts. ...
33
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1answer
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Why Alexa Shouldn't Teach Non-Native English Speakers About Idioms

They cost ≈ $0.00833333333333333333333333333333 each. (9) -_----_-_----- Go! Intentionally fracture your fibula! ...
19
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1answer
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You don't need any hints

One enigma in trying to develop entertaining puzzles: Is it better for it the challenge to be very obvious and bubblegum? Maybe it should attempt to be virtually inconceivable? It is certain: A blend ...
18
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1answer
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Is Dave really mad at me?

I am Patrick. Tonight, I got a mail from my old friend Dave. He was out of town for a while, and got back today. Well, we had an argument on the phone yesterday, and I think he had hard feelings. I ...
11
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5answers
346 views

Falcon Circus, Chapter 0: The Decision

The Prologue Lycan pouted. I guess he was expecting his little riddle to be hard. Lichen didn't have a change in expression, although this doesn't surprise you. The red twin glared at you for another ...
18
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4answers
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The strange story of Lord Lefthide

Lord Lefthide was found dead in his mansion, to what it would seem of a heart attack. But it appears that moments before his death, he was writing some uncanny childish story. He was indeed found dead ...
27
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2answers
1k views

When you give it out in the wrong way

To know the secrets of the universe and hence attain ultimate power, you just need to enter a four-letter password. All you have is a sheet of paper with the following written on it, which is ...
10
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3answers
591 views

Twelve Zodiac Coins

Another old puzzle I dug up from my creations: this time I'll try and add in a bit of story, too. I'll try my best not to throw in any undue red herrings. "Hello?" "Hey, [insert name here]! It'...
6
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1answer
979 views

The seemingly innocent message - Clue Four

<---Previous clue "Whew," you exhale after making it through the maze alive. "That was tough."After stopping to drink a bit of water from your backpack (did you forget that you had it? We ...
4
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2answers
310 views

Falcon Circus, Chapter 2: The Wise

The Predator The hidden voice behind the monster's bellows caught your attention. You scramble backwards and shout, "Sparrow!" Light streams in as the door behind you opens. You go through, shaking ...
28
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2answers
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A Humbled Response

Well, I may not be able to match the rhyme or meter ...or spelling ...or punctuation skills of other puzzle creators on this site, but I thought I should still at least have a go... Well, I'm ...
13
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1answer
637 views

A Cryptic Clue Nineteen

<<---First clue <---Previous clue You close the computer and stand up. You now have 18 clues. Only [redacted] more to go!, you think. You head to the door and try to open it. It didn't open....
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5answers
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The bakery - Clue Twenty One

<<---First clue <---Previous clue (No, I haven't just gone and jeopardized Mithrandir's entire series, I have been given permission by him to do clue 21.) A note from @Mithrandir: I have ...
9
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1answer
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Why the 'Be Nice' policy? - Clue Eight

<---Previous clue You push the buttons under the letters on the rock wall. Nothing happens for a moment. Then there is a rumbling noise. gggrrrrrrrRRRRRRRRRRRRRRRRRRR The rumbling stops. You ...
5
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1answer
444 views

The strange phrases - Clue Thirty

<<---First clue <---Previous clue Aha! You think, and type in the answer. Ding! The pad beeps, and opens a previously-hidden drawer. Inside is what appears to be a... bunch of strange ...
71
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6answers
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This is it. This is the one. Save your wife

You now know where your wife is, so you hop on a plane and fly over to France. You reach the house and burst through the front door, only to find the house deserted. In despair, you slump into a chair ...
32
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4answers
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Multilayer Image Steganography

Alice, Bob, Carol, and Dan are playing a card game. After they all show their cards, Bob notes that by exchanging two cards the order of the players would be reversed; that is, the player with the ...
21
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3answers
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Down the Rabbit Hole

There's a secret hidden in the text below. What mind-blowing truth does it reveal? Not imaginative? Then Zeke's Clues may assist! Unsure, lad? With our patented Obscurity Clues, begin verifiably ...
30
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6answers
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A princess fell in love

Once upon a time there was a princess. She fell in love with a prince, wrote him a letter and sent it via Celeste, who was always willing to help. The prince was Laniff III and was in love ...
37
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17answers
5k views

What is the name of this puzzle?

The English dictionary, as you may know, is a highly mutable entity. While removing words such as irregardless might be considered a good thing, others, such as ...
32
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4answers
2k views

A Letter from the Past

It has been quite a while since your first assignment as a P.U.Z.Z.L.E. agent. Most of your tasks weren't even half that exciting and since your boss is currently on vacation, your most important task ...
56
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3answers
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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 ...
12
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3answers
471 views

When words speak!

Short Steganographic Riddle! Every time you ask me, where do you stay? It's vague but I stay here, I will say. We are three, you know it. Check if it fits your height. 3 elders of this riddle ...
40
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5answers
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A Suspicious Mail

It's an average normal everyday day. You find a piece of mail in your mail box. It doesn't look like the rest of them: The text reads What should you do? Some helpful websites: Hint:
26
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2answers
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My Uncle's Music Box

Unfortunately, my favorite uncle just passed away. He's the one that taught me all about puzzling, and supposedly found Davey Jones' treasure in his youth. I miss him very much, however, I just ...
30
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1answer
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My Uncle's present

It was Christmas at my Uncle's and I rushed downstairs waiting to see the present he had bought for me. But instead of a giant wrapped gift, I found a puzzle. My greetingc! I hope you are woll. ...
19
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2answers
2k views

Who can spot the difference?

My family and I have just moved house! Lucky us! So what did my family do? We held a housewarming party, and rung everyone in the neighbourhood up to invite them. So, anyway, people were coming in ...
23
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1answer
2k views

Breaking up is fun to do

A quick one for language fortnight. A few days ago, my girlfriend broke up with me. We were never really right for one another, and I knew it was coming, but of course it still stung a bit. And ...
22
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6answers
931 views

Mortin Myes' Second Cryptic Gallery

Despite finding Mortin Myes' First Cryptic Gallery fairly simple to decipher, I must confess that his second one had me completely stumped. Once again, there were three paintings, and this cryptic ...
21
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3answers
1k views

Rainbow Road Rabbit Hole

Question: Who is in first place? It's difficult to add hints in the puzzle itself given its nature so I'll try to add some notes here as text instead. Red: [Solved] Orange: [Solved] Yellow:
19
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1answer
995 views

Oh God! help me

I have just fluffed my exam. See, Grades don't matter to me but it apparently does to my parents and the head teacher who has asked me to write a letter explaining the reasons of my disastrous results....
16
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3answers
940 views

Not “Bingo,” not “Snoopy…”

On a recent job application, I was asked to make a list of notes that I thought were pertinent to my being considered for the job. They asked me for "No more than 1101" numbered statements, and I ...
14
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2answers
487 views

Find the Hidden Message: Follow back, forwards

Solve this problem by solving it: Follow back, forwards. Words. Hare and the tortoise jumping skyward repeatedly. Hint:
13
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7answers
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♦ Series - Getting a free donut

Introduction There is a way to get a free donut at a coffee shop near the Stack Exchange offices. However, you are required to solve a phrase and convert it into a single number. Codes You watch ...
12
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3answers
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Finding Detective Jack!

I am Aidan and I am a detective. I am in a country I have never visited before. Jack and I have been working on a task for a few days now. We have been very successful in solving a murder mystery ...
11
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2answers
2k views

What are the three hidden sentences within the three sentences?

The following three sentences, written in bold below, each contain another sentence within, which you can discover with all the information in the that sentence itself. The same solving trick applies ...
8
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2answers
1k views

The mystery of the anonymous email

It is a bright Sunday afternoon. You are on a holiday, enjoying your cappuccino. Suddenly, you get a call from your boss at NSA. He tells you that a psycho-hacker has sent him and the whole staff a ...
30
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2answers
2k views

Parallelisation

An entry in Fortnightly Topic Challenge #32: Grid Deduction Hybrids Puzzlers, I am presenting a set of six duo-grids! Of course, I need to tell you how they work - you are given a grid. Looking at it,...
26
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2answers
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A Puzzle Like Deja Vu All Over Again

Part of the Community Metapuzzle. The word in the puzzle below is also the word needed here. Deadline's tight, got worthless outworn pap. Noxious ill-timed rot with dreary crap. "Edit tonight!" ...
18
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2answers
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Crypto-wordsearch-gram: “You Are a Member of the Rebel Alliance, and a Traitor!”. A cryptogram hidden within a wordsearch

You are a member of the Rebel Alliance. You have been captured by the Empire and imprisoned. In a stroke of sadistic brilliance, your guards have denied you all reading matter except "Uncle Vader's ...