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Questions tagged [reverse-puzzling]

This tag is for questions where the answerer must identify a puzzle type based on deliberately limited information about its nature, such as notes made in the course of solving it. For questions where the asker genuinely needs to know the puzzle type, use the [puzzle-identification] tag instead.

106 votes
2 answers
8k views

This new puzzle type needs a name

I believe I have invented a new type of puzzle... What is its name? Colour-blind-friendly version available here. Begin by solving the 16x16 sudoku; each of the digits 1-16 must appear exactly ...
Stiv's user avatar
  • 146k
84 votes
2 answers
5k views

My God, it's full of stars!

An entry in Fortnightly Topic Challenge #32: Grid Deduction Hybrids My dear friend, unknown to us, may have relocated again. He sent me imagery and constellation maps indicating that a distant red ...
paramesis's user avatar
  • 4,629
52 votes
4 answers
2k views

Desert Irrigation Project

An entry in Fortnightly Topic Challenge #32: Grid Deduction Hybrids My dear friend researches and designs canal irrigation systems in a remote desert. He's been missing for two weeks. Members of ...
paramesis's user avatar
  • 4,629
49 votes
2 answers
4k views

Reverse Puzzling

George is a great puzzler, so I was extremely surprised when he didn't immediately know the answer to a really famous puzzle. It's a puzzle that you probably did years ago, and have heard so often ...
Dr Xorile's user avatar
  • 23.7k
45 votes
2 answers
2k views

I am an island (ysaujdiolkiun)

An entry in Fortnightly Topic Challenge #32: Grid Deduction Hybrids I received an envelope containing two drawings and no return address. I would recognize that handwriting anywhere - my dear friend ...
paramesis's user avatar
  • 4,629
43 votes
2 answers
2k views

Reassemble the riddles!

I'd just finished writing four short 4-line riddles, painstakingly making sure each line was correct, when a wind caught the slips of paper I'd been using to write on and blew them all over the floor. ...
Rand al'Thor's user avatar
43 votes
1 answer
3k views

This new puzzle type needs a name {EXTREME EDITION}

A companion puzzle to the 'This new puzzle type needs a name' series, and inspired in part by @JeremyDover's answer to a recent question. Usually, puzzles in this series comprise a mash-up of two ...
Stiv's user avatar
  • 146k
32 votes
1 answer
679 views

Re-Venn-ge of the Connecting Wall

An entry in Fortnightly Topic Challenge #42: Wordless Connecting Walls Today I created a connect-wall puzzle (for which a solver would need to partition 16 items into 4 connected groups of 4, and ...
Stiv's user avatar
  • 146k
30 votes
2 answers
2k views

Reverse Puzzling 2

This puzzle was inspired by Dr Xorile's first reverse puzzle! Kudos to him for coming up with such a fun format. Intrigued, I gave George yet another famous puzzle to ponder over. Once again, I was ...
AZGreenTea's user avatar
  • 1,916
30 votes
1 answer
2k views

Reverse puzzling. What game is this?

I saw my friend working on making a computer game version of an old game (not traditionally a computer game) and his notepad has these strange series of numbers. What game is he working on? ...
Neal Davis's user avatar
30 votes
2 answers
1k views

Cheating is efficient, but only until you get caught!

This is an entry into the 16th Fortnightly Challenge - reverse-puzzling The Puzzleland Inc. is recruiting some fresh blood, and after some brain-bending tests, the candidates have been shortlisted to ...
Ankoganit's user avatar
  • 19.7k
28 votes
1 answer
2k views

This new puzzle type needs a name {7}

This puzzle is part of the Monthly Topic Challenge #5: On-and-onograms - and also extends the 'This new puzzle type needs a name' series... I believe I have invented a new type of puzzle... What is ...
Stiv's user avatar
  • 146k
28 votes
2 answers
34k views

What is this magic trick with 6 cards featuring numbers between 1 and 60?

I hope this is on topic. I have a set of kids' magic tricks but I have lost the instructions! I was hoping this might be a good place to get some help. Here is the first one. What is the trick and ...
Simd's user avatar
  • 7,845
28 votes
1 answer
2k views

This new puzzle type needs a name {3}

I believe I have invented** a new type of puzzle... What is its name? ** Well, 'adapted' an existing one, really... Colour-blind-friendly version available here. Those without colour-blindness ...
Stiv's user avatar
  • 146k
26 votes
4 answers
2k views

Another new puzzle type needs a name

For an example of how this type of puzzle works, see here... I believe I have invented another new type of puzzle... What is its name? Colour-blind-friendly version available here. Begin by ...
Stiv's user avatar
  • 146k

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