All Questions
Tagged with cipher computer-puzzle
73
questions
21
votes
2
answers
3k
views
What is this mysterious image?
Recently, my friend who lives in Italy sent me an email. This was its contents:
Hi,
I've got some news which you should be happy about. But I've seen you around on Puzzling.SE, so I though I'd ...
user21703
6
votes
2
answers
530
views
How do you escape the prison?
You are a wrongly-accused prisoner in a high-security prison, where you have been sentenced for life. However, one of the guards believes your story, and has given you a single chance to escape. He ...
user21703
9
votes
5
answers
988
views
Who killed the president?
(Semi-interactive puzzle)
Puzzle 1
You slowly roll out of bed, preparing for the day of solving crime ahead of you. After all, you are the greatest detective the world has ever seen. But at work, ...
user21703
6
votes
1
answer
310
views
My New Computer is Malfunctioning
This is weird!
I recently bought a brand new (but very cheap) computer, and there's something wrong with it.
I downloaded some MP3s onto it, and now every time I open my music program and try to ...
- 25.7k
6
votes
1
answer
1k
views
A penguin encoded message
There once was an elf who wanted to send a message to Santa. This elf was a penguin rider and had a large amount of penguins so he laid them in a row with some on their bellies and some on their backs....
- 6,077
6
votes
1
answer
1k
views
Retrieve a phrase by assembling the string puzzle
You’ve never seen such a verdant shade of green as the leafy tops of the trees that now form a focal point up ahead, peaking over the high and solid concrete walls which surround Eden. The colour ...
user21038
7
votes
1
answer
341
views
Binary on a diet
How can you make binary data less filling?
Remove the 1s, of course.
OO O OO O OO OOOO
OO OO O O OOO O
OOOOO OOO O O
OOO OO OO OO O
OOO OO
OOO OOOO
...
- 21.9k
9
votes
4
answers
4k
views
Find the hidden message
The Clues
All the information you might need is here in the post
UmVtZW1iZXIgdGhhdCBhdCBmaXJzdCB5b3UgYXJlIG9mZiBieSBvbmUu
DRMExcuKJrKSGE/...
- 1,145
14
votes
5
answers
617
views
To each his own
You are a graduate student in theoretical mathematics, dabbling every so often in some interesting but equally useless computer science theory. From the beginning of the year, Professor Carl Hayden ...
6
votes
1
answer
5k
views
Image steganography/ hidden message inside image
I have the following image
I'm new to solving puzzles and figuring them out, and I have no idea how to approach decryption of this image or how to solve it. I've tried running it on some image ...
- 61
7
votes
1
answer
2k
views
Junk decryption-- a puzzle I found on a wargame site [closed]
I have found this puzzle and I wanted to share it with you to see if anyone can solve it, because I can't figure it out.
**Can you put this all together?**
From: Agent J
To: adib
Agent,
...
- 95
6
votes
1
answer
425
views
What would Lincoln say?
I got asked this question on a job interview, I am not sure if this is a right place to ask but here it is:
If Abraham Lincoln were to give an address today, what would he say about us?
Hint:
63, ...
- 245
15
votes
1
answer
1k
views
Decipher the clues, escape the prison!
Decipher the clues, escape the prison!
The guard at the prison, where you have been locked up for misuse of USB ports, has given you one chance to escape, by typing in a certain word. A keyboard is ...
- 783
3
votes
1
answer
839
views
Crack the code: JavaRelated
I got a card with a text from a software company, and it tells me to decode it.
The only thing written on the card is the following code:
...
- 133
31
votes
3
answers
10k
views
What secret is this massive technical puzzle hiding? [riddles and data puzzles]
There's a game development company which released a mysterious "countdown to reveal" web page, and the page is designed pretty fancy, so everyone in that gaming community is curious about this.
This ...
- 263