Questions tagged [steganography]
A puzzle that requires finding hidden data in various media forms, such as text or images.
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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 ...
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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 ...
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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. ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
...
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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-...
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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 spa ...
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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.
...
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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!
...
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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 ...
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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 supposed ...
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PSE Advent Calendar 2021 (Day 21): How the Grinch Trolled Quizmas
This puzzle is part of the Puzzling StackExchange Advent Calendar 2021. The accepted answer to this question will be awarded a bounty worth 50 reputation.< Previous Door
Next Door >
Some of the ...
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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 ...
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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 ...
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What should these be called?
On this site, rot13 is often used to encrypt comments so spoilers can be spoken about. Rot13 is a cipher, in which each letter is shifted 13 letters forward (or backward) in the alphabet.
There are ...
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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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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 ...
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Piece de Resistance - King Deusovi, Flag this Blo*dy Post!
King Deusovi, Flag this Blo*dy Post!
This puzzle is part of the "Piece de Resistance" series. Go back to Part 1 (Ace) for the story.Ace Two Three Four Five Six Seven Eight Nine Ten Queen King Jack
...
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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 ...
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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'...
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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 ...
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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 ...
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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 ...
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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 ...
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Lost: a country’s journey
This puzzle belongs to the puzzle series: A-Countries-Journey.
This is part 1.
You wake up in a corner.
It’s cold here.
You head down a dark path. There’s weird graffiti on the walls. You can see ...
user79541
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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 ...
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A Riddle Within a Riddle
MY friend, your luck has Turned.
i've made tHIs Riddle and it is the best, anD "soon iT sHould bE solved.
if it is not, then a QUIet miNd mighT let sEedS be Sown, within which idEas caN grow.
...
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Today starts my new puzzle series!
Wow. I said I might undertake to create fresh and witty Puzzling questions because brilliant men on the internet have solved my latest ones way too speedily for my foolish conceited pride - so ...
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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 ...
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The Worst Afternoon
Was worried about this trip for days -- couldn't take the car -- terrible traffic all the way there -- a gang of jerks blocking my way and the bus had just left -- tried to run and maybe sprained my ...
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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:
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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 ...
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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
...
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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 ...
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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,...
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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.
...
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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 ...
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A Blooming Cheeky Response
One of my recent puzzles bears a certain resemblance to this one that was posted to meta by Alconja. When this was pointed out to me, I thought that since he asked for suggestions I would post a reply ...
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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 ...
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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!" ...
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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 ...
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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:
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What happened to Dave?
After I have figured out if Dave was really mad at me,
After a couple of minutes, I saw a strange post of mine. Well, I was not on StackExchange! It was written by Dave. But why would he log in my ...
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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 ...
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Farewell Emrakul, here's a truly puzzling goodbye
Sadly, our moderator Emrakul is stepping down. They've done a fantastic job, so if they have to leave, let's see them off in true puzzling fashion!
There is a message for them hidden here, can you ...
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