All Questions
Tagged with grid-deduction enigmatic-puzzle
93
questions
17
votes
1
answer
829
views
Ingrid Deduction pops by with a puzzle
The other night I was sat at home in Providence when the doorbell rang. To my surprise, my very good friend Ingrid Deduction stood on the step, a huge grin on her face and a piece of paper held out ...
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 ...
28
votes
2
answers
902
views
Tribute to Clifford Possum Tjapaltjarri
The background text that follows is in this case not part of the puzzle, nor fictitious. The puzzle, which is self-contained, consists entirely of the image below; I have composed it as a genuine (...
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 ...
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 ...
22
votes
2
answers
1k
views
Complaint at the PSE lounge
While walking through the PSE lounge, I noticed a piece of paper on one of the tables. Picking it up, I saw several things. The first, was a couple of sentences at the top:
I love this place! But ...
15
votes
2
answers
488
views
The entrapment of Beastly Gerbil
Part 1: The disappearance of Beastly Gerbil
Part 3: The escape of Beastly Gerbil
I've been trapped here for what feels like forever. This is all I've known. Darkness. The occasional flash of light, ...
8
votes
2
answers
300
views
I know I should solve this Masyu... But... How should I make this puzzle more colorful?
I know I should solve this Nurikabe variant...
I know I should shade all Masyu circles...
I know I should not let $2 \times 2$ unshaded squares appeared...
I know I should solve this Masyu...
...
18
votes
2
answers
641
views
A colorful metapuzzle (of a sort)
edit: realized two puzzles ended up being variants. Replaced subpuzzle 5 completely, and swapped subpuzzle 2 to the original version. Either version has the same solution.
edit 2: my apologies. this ...
7
votes
1
answer
191
views
A Grid with some Green Cells
So a friend wanted me to try out the reverse-puzzling riddle he created. It consisted of a 4x4 grid with a digit in each cell and a single closed loop drawn along the edges of its cells. Also some of ...
11
votes
3
answers
929
views
Puzzle needs a name
Inspired by @Stiv's This new puzzle type needs a name series, what is the name of the puzzle below?
Start by solving the (quite tough) Nonogram, then apply some grid-deduction-deduction and discover ...
27
votes
2
answers
864
views
The disappearance of Beastly Gerbil
Part 2: The entrapment of Beastly Gerbil
Part 3: The escape of Beastly Gerbil
This is an unusual call in. As a private detective you have been asked to investigate several odd cases, but this you're ...
25
votes
1
answer
2k
views
This new puzzle type needs a name {6}
I believe I have invented** a new type of puzzle...
What is its name?
Begin by solving the Fillomino puzzle:
Rules of Fillomino (adapted from Nikoli)
Fill in all empty cells with numbers under the ...
6
votes
1
answer
236
views
Pandiagonal Magic Takuzu
Here's a puzzle type I call Pandiagonal Magic Takuzu. It's inspired by @Stiv's series "This new puzzle type needs a name", except you get the name up front. Can you solve it?
18
votes
2
answers
911
views
This new puzzle type needs a name {5}
I believe I have invented a new type of puzzle...
What is its name?
Colour-blind-friendly version available here.
Begin by solving the 9x9 sudoku; each of the 9 symbols ...
16
votes
1
answer
945
views
On The Subject of Battleships
(This is part of a series of puzzles written for Timwi for a Secret Santa puzzle exchange, themed around various custom modules for the game Keep Talking and Nobody Explodes. No KTaNE knowledge is ...
12
votes
1
answer
1k
views
This new puzzle type needs a name {4}
I believe I have invented a new type of puzzle...
What is its name?
Begin by solving the 16x16 sudoku; each of the digits 1-16 must appear exactly once in each row, column and thick-bordered 4x4 ...
18
votes
2
answers
2k
views
This Nonogram seems a bit...... off
Hmm...... Did I miss something? The hidden word has six unique letters anyway......
Hint 1:
Hint 2:
Hint 3:
Addendum: There is a (very) minor fix to ensure the puzzle "uniquely solvable", adding 1-...
13
votes
1
answer
623
views
On The Subject of X-Rays
(This is part of a series of puzzles written for Timwi for a Secret Santa puzzle exchange, themed around various custom modules for the game Keep Talking and Nobody Explodes. No KTaNE knowledge is ...
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 ...
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 ...
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 ...
16
votes
2
answers
1k
views
Twelve Labours - #02 Lernaean Hydration
This puzzle is part of the ‘Twelve Labours’ series. Previous instalments can be found here: Prologue | 01
His first labour now complete, Hercules made his way up the street to the storage depot for ...
13
votes
1
answer
471
views
Piece de Resistance - Jack in all Tags... But Master in All?
Jack in all Tags... But Master in All?
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... ...
11
votes
2
answers
598
views
Spiral Stumper Series: Instructionless Puzzle
Spiral Stumper Series is a $5$-puzzles series taken from the Final Round of a local (national) contest, KPK, which has been ended recently and authored by me. The theme is spiral and each puzzle is ...
14
votes
3
answers
602
views
Instructionless: Sieve of Eratosthenes
This is an instructionless puzzle: work out the rules and then solve the main puzzle. An example and its unique solution have been given to you, as well as two failed solutions with errors marked.
...
8
votes
1
answer
483
views
(10 of 11: Nurikabe) What is Pyramid Cult's Favorite Topic?
Dear PSE users and moderators,
I’m new here in PSE, but I really need your help. There was this person who gave me a black envelope consisting 10+1 pages of puzzles, and also a scribble saying: “Find ...
7
votes
1
answer
423
views
(9 of 11: Shikaku) What is Pyramid Cult's Favorite Stationeries?
Dear PSE users and moderators,
I’m new here in PSE, but I really need your help. There was this person who gave me a black envelope consisting 10+1 pages of puzzles, and also a scribble saying: “Find ...
11
votes
1
answer
666
views
(8 of 11: Ripple Effect) What is Pyramid Cult's Favorite Skill?
Dear PSE users and moderators,
I’m new here in PSE, but I really need your help. There was this person who gave me a black envelope consisting 10+1 pages of puzzles, and also a scribble saying: “Find ...
11
votes
2
answers
871
views
(7 of 11: Fillomino) What is Pyramid Cult's Favorite Shape?
Dear PSE users and moderators,
I’m new here in PSE, but I really need your help. There was this person who gave me a black envelope consisting 10+1 pages of puzzles, and also a scribble saying: “Find ...