Unanswered Questions
95 questions with no upvoted or accepted answers
32
votes
0
answers
3k
views
Noita Eye Glyphs
A puzzle found hidden between the background layers of the computer game Noita. The puzzle has not been solved since it was added to the game in October of 2020.
It is made of thousands of eye images, ...
- 6,862
25
votes
0
answers
2k
views
Decrypting the Key: "Phage is Spreading.."
I've been trying to solve this puzzle called "Phage is Spreading.."
...
- 10.4k
18
votes
0
answers
708
views
Determining the meaning of a challenge coin
I saw this rather cool looking challenge coin the other day, and I was wondering what the associated binary on the back of it means, as it isn't standard ASCII.
In plaintext:
...
- 10.4k
14
votes
0
answers
2k
views
Crack the pigeon code
Can you crack this message? It was discovered in a chimney in 2012 attached to a carrier pigeon and was most likely sent during the D-day invasions. The GCHQ was not able to crack it, even after ...
14
votes
0
answers
833
views
Grandma's keynote
Found this note which is addressed
To my grandma, in her chest
Since she's passed now, here's my quest..
What tickled her interest?
And who invited her as guest?
- 123
14
votes
0
answers
1k
views
12
votes
0
answers
745
views
Meteor strikes again
Part of a phone call:
-...well why didn't you just say so?
-It wasn't as easy as you thought, Jack. All the power lines here were destro---
-I know...It's not like we're living on a different planet ...
- 501
11
votes
0
answers
338
views
Can you find the cipher that I used?
I have encoded a phrase, using a cipher that I invented. But I don't want you to decode it, rather I want you to figure out how my cipher works.
This is the phrase that I encrypted
Find the ...
- 161
10
votes
0
answers
706
views
A funny looking cipher puzzle
What secrets does this jester hold? Hints are found down the road.
A hint, or rather, that what is held transcribed:
- 101
10
votes
1
answer
751
views
Powerful number systems
Imagine I have two positive integers, $a$ and $b$. Can you find the last digit of the sum $a+b$ given only the last digits of $a$ and $b$? More generally, can you find the last $n$ digits of $a+b$ ...
CommunityBot
- 1
10
votes
0
answers
508
views
I'm a number with a special product, so name me when you think you've got it
In the blocks that come before,
their special product tells us more.
To guess my scheme you'll need calculation,
but only little tests of recreation.
Each block contains atoms strong as Thor,
...
- 2,296
9
votes
0
answers
689
views
Signatures of serial killer Edward Wayne Edwards?
This is from a real-life murder-mystery. In 2009 Edward Wayne Edwards was arrested and convicted of five murders, following a tip-off from his daughter April. Former detective John A. Cameron ...
- 1
9
votes
0
answers
289
views
Zed's Order: Breakfast at Elon's
My friend Elon and I constantly irritate each other. He recently built himself a rather respectable restaurant – a sort of bed-&-breakfast, minus the beds. Last week, he asked if I could ...
- 793
9
votes
0
answers
488
views
What causes these signs to follow this relation?
Can you find why does the below relation hold true?
Hint 1
Hint 2
- 3,943
8
votes
0
answers
450
views
Cookie Unionization
My Christmas cookies are gone! When I came into the kitchen this morning, the box was empty. All that remained were a few crumbs and this note:
We absconded.
You never saw that coming, did you? Well, ...
- 400