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8 votes
1 answer
714 views

Polybius cipher meets Grid Puzzle

Here is a puzzle I've been trying to solve for a week, but I've not made any real progress. Some of the things I've tried I will include as spoilers. The puzzle is from a competition which has just ...
Giacomo Pope's user avatar
11 votes
2 answers
589 views

Confectionery Crime Conundrum

Yesterday I received one of the strangest cases of my career as an I.S. PI (Insightful Sleuths Private Investigator). I was reclining in my chair, working on the latest crossword puzzle when I ...
Avi's user avatar
  • 10.4k
18 votes
2 answers
1k views

The Puzzling Free-to-Play Escape Room, naturally!

An entry in Fortnightly Topic Challenge #50: Escape Rooms Without revealing too much, knowledge of geek culture and/or superb Google skills are required for this puzzle. Coming from an anime ...
samm82's user avatar
  • 7,242
10 votes
3 answers
839 views

Cipher text on an ancient wall

The following text was found written on the wall of an ancient tomb: $\text{DXFDMKEPU}$ Can you decipher what it means? Nearby the wall, this piece of parchment was found. Perhaps it is a clue ...
DenverCoder1's user avatar
  • 10.5k
11 votes
2 answers
2k views

Reverse minesweeper?

The puzzle below, when filled out completely, is a valid minesweeper board. Some of the mines and numbers have already been filled in. Can you fill in what is missing and use the solved grid to find ...
DenverCoder1's user avatar
  • 10.5k
31 votes
5 answers
2k views

Making Things Difficult

An entry in Fortnightly Topic Challenge #35: Restricted Title 1. Factoring the Time Think fast! If you're looking for meaning, these clocks have some for you. Keyboards are Disgusting Gunky ...
ManyPinkHats's user avatar
  • 7,127
47 votes
4 answers
5k views

Who am I??? Wait, isn't this a sudoku?

Jmw jrr qtlf tv ee M6SXr rro tr kz r tyr. Can you find out who I am? Hint 1: Hint 2:
Maria Ivanova's user avatar