Questions tagged [jigsaw-puzzle]

A jigsaw puzzle is a tiling puzzle that requires the assembly of (often oddly shaped) interlocking and tessellating pieces.

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United States Map

This puzzle is part of the Monthly Topic Challenge #1: Restricted Title: xkcd 1xxx The answer is a timely word No rotations; all pieces are oriented correctly The colors are not important or ...
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12 votes
1 answer
232 views

Please help me fix my intestine

Due to some unfortunate events involving a teleporter and a ceiling fan I had my innards spread all over the place. Interestingly my intestine was split into equal sized chunks representing all the ...
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3 votes
0 answers
136 views

Strategies better than brute force for solid-color areas of a jigsaw puzzle, where the pieces have the same general shape?

I have a jigsaw puzzle that I've been working on for a while where I have somewhat stalled out because the remaining pieces/areas are all solid black (or if there are color variations between them, ...
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5 votes
1 answer
125 views

Four-Letter Blocks: Board Games (11x11)

I designed a puzzle called Four-Letter Blocks that mixes crossword puzzles with jigsaw puzzles. You are given a crossword puzzle that's been filled in and then cut up into blocks of four letters, as ...
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2 votes
2 answers
163 views

cheapskate jigsaw inc

Jigsaw puzzles are awesome and making them is an easy way to get rich. So I bought a cutting machine to make puzzles. Unfortunately I could only afford the cheapest machine available. All pieces are ...
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33 votes
1 answer
3k views

Go mad with this one-dimensional jigsaw

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6 votes
2 answers
256 views

Jigsaw puzzle: packing pentominoes into a rectangle

I've got this jigsaw puzzle that I can't figure out. The major problem is that there are no signposts on whether a piece is in the right place. How does one get all the pieces into the 6x10 container? ...
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  • 163
3 votes
0 answers
136 views

A math-based jigsaw

This is a fun puzzle I invented 50 years ago. ("Loops of Zen" is rather similar, idea-wise.) Here is a random solution (doesn't spoil much)... ...and here are the building blocks: Basic is ...
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4 votes
1 answer
146 views

Four-Letter Blocks: Nursery Rhymes (15x15)

I've designed a new type of puzzle called Four-Letter Blocks that mixes crossword puzzles with jigsaw puzzles. You are given a crossword puzzle that's been filled in and then cut up into blocks of ...
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5 votes
1 answer
136 views

Four-Letter Blocks: Pop Music (13x13)

I've designed a new type of puzzle called Four-Letter Blocks that mixes crossword puzzles with jigsaw puzzles. You are given a crossword puzzle that's been filled in and then cut up into blocks of ...
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  • 2,212
6 votes
1 answer
169 views

Four-Letter Blocks: Movie Madness (11x11)

I've designed a new type of puzzle called Four-Letter Blocks that mixes crossword puzzles with jigsaw puzzles. You are given a crossword puzzle that's been filled in and then cut up into blocks of ...
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  • 2,212
8 votes
1 answer
260 views

Four-Letter Blocks: Classic Toys (9x9)

I've designed a new type of puzzle called Four-Letter Blocks that mixes crossword puzzles with jigsaw puzzles. You are given a crossword puzzle that's been filled in and then cut up into blocks of ...
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  • 2,212
1 vote
1 answer
159 views

How could I find someone to review puzzle products?

I am Nabila from a toy company named Susengo. We manufucture puzzles, water toys and so on. In the few months, our company want to create and design several new jigsaw puzzles, so we need to listen to ...
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5 votes
1 answer
189 views

Jigsaw Puzzle Puzzle

(In German a Jigsaw is simply called Puzzle, the pun is lost in English...) A jigsaw has to match by form and (mostly!) by color at the tile borders. Assume your basic jigsaw tile consists of $m*m$ ...
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1 vote
1 answer
89 views

Polyominoes piece puzzle, image was a storefront

When I was growing up, my family had a jigsaw puzzle of several store fronts, where you could see different people running, buying, and some kids. All the stores had letters and art. The pieces where ...
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9 votes
1 answer
1k views

Were the Decipher II and Decipher III puzzles solved, and if so when and by whom?

The Decipher jigsaw was a relatively famous puzzle released in the early 80s, promising a $100,000 dollar prize to those that could solve it. After two years with no winners, the creator, Warren ...
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20 votes
1 answer
1k views

Ernie and the Lock-down Puzzle

During lock-down I was feeling a bit lost for something to do, so one one day I sent Ernie a text reading "Bored". He responded with a text-less message and an attached image (see below). I ...
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63 votes
2 answers
2k views

This month's $100 question (not a real prize)

****A big one to celebrate my half-century (50th puzzle)!**** I work as a puzzle setter at FakePuzz (not a real magazine). This morning I burst into the office of Eddie Tor (not a real editor) so ...
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6 votes
2 answers
169 views

Another faceless jigsaw 2

This one is tougher. Start with a square. Suppose the top and bottom of the square can be either straight or have an interlocking pattern, as shown in the two examples below: And suppose the left ...
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8 votes
2 answers
817 views

Another faceless jigsaw

Start with a square. Any side of the square can be either straight or have an interlocking pattern, as shown in the two examples below: That gives $2 \times 2 \times 2 \times 2 = 16$ possible squares....
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10 votes
3 answers
2k views

Jigsaw possible?

A light jigsaw puzzle. Start with a square. Assume two adjacent sides (top and left) are always straight and the other two adjacent sides (bottom and right) can be either straight, convex or concave....
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11 votes
1 answer
625 views

Changing the system

Solve the clues, fit them into the crossword grid, and discover (via the shaded and circled cells) a 9-letter pun. Use this and the answers you have found to explain what's going on here! Clues: ...
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8 votes
2 answers
323 views

A big playhouse

A puzzle in the spirit of the Density™ puzzle. This one probably requires a bit of googling. Enjoy! Final answer: (8) Hint: Hint 2: Hint 3:
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  • 8,760
15 votes
6 answers
1k views

Pulling Apart a Jigsaw Puzzle

Assume you have a jigsaw puzzle that is also a tessellation. This means every piece has an identical shape and can be assembled into a 2D pattern that fills the plane with no gaps. Such a jigsaw ...
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12 votes
1 answer
941 views

Gladys spins the wheel

This puzzle is part 5 of Gladys' journey across the globe. Each part can be solved independently. Nevertheless, if you are new to the series, feel free to start at the beginning: Introducing Gladys. ...
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  • 67k
3 votes
1 answer
210 views

Max 4x1 pattern fit within 11x11 area

Rimworld is a tile-based videogame. There is a constructible called a sun lamp, which provides light for indoor farming: . As you can see, the area covered by the lamp is 11 * 11, minus 1 for the ...
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14 votes
3 answers
1k views

1 dimensional jigsaw

Can you piece these jigsaw pieces back together again? X...X......X....X..X X.X.....X.....X....X XX.X...X...X X.....X.X...X.....X X.X.X.X..X.. The solution consists of 25 X's in a row. Where ...
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9 votes
1 answer
615 views

Counter-Red Spiders

An entry in Fortnightly Topic Challenge #35: Restricted Title 1. Title based on this xkcd.This puzzle contains hints for 220 black squares (but that's not the point) but is a standalone puzzle. ...
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-4 votes
2 answers
148 views

What is the biggest known jigsaw puzzle size by pieces as of 2018? [closed]

Biggest I've observed so far are 18000 pieces, right?
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  • 105
20 votes
2 answers
1k views

Masyu jigsaw puzzle

Here's a masyu puzzle for you. The rules are as follows Draw a single closed loop which does not cross or touch itself. The sections of the loop run horizontally or vertically between the ...
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  • 3,624
12 votes
1 answer
414 views

Jigsaw Logic: ?s galore

I am working on a 256 piece jigsaw puzzle, but I am having a lot of trouble. Instead of the picture being a landscape or painting, the final image is just a sixteen by sixteen grid of identical ...
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10 votes
1 answer
667 views

Help I'm puzzled

My dad was fixing the driveway and later asked me to see if I could get some help with this I'd appreciate your help MIKEY G
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7 votes
1 answer
644 views

The Piece in the Corner of my Jigsaw Puzzle

Don't know about you, but I personally enjoy relaxing at home, listening to good music and solving puzzles. Yesterday I was trying to finish one of my numerous jigsaws, when ended up with three corner ...
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  • 6,832
10 votes
2 answers
626 views

The Hyper-Modern Kidnapper: Crime Scene #3

The Story: This was quickly getting old. They'd solved the kidnapper's (killer's?) puzzle again and it was another creepy song lyric. No, that's not fair. They're only creepy when they're from a ...
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10 votes
2 answers
522 views

Build your own™ Dominosa!

Fictional story: As everybody knows I'm not good at making puzzles so I ordered a Build-your-own™ Dominosa kit! This should be good for my Dominosa building skills, I thought to myself. And today, ...
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  • 9,135
5 votes
2 answers
223 views

Raikarting Mosaic

My brother me invited me Karting this weekend, and we had a grand time, although we were way slower than the top time on the leaderboard, initialed KR. The owner told us that this was his cousin, and ...
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28 votes
3 answers
2k views

Grandma's Rebuses

DISCLAIMER: This story is fictional My dear grandmother passed away two years ago, with her husband, Ed, sitting solemnly by the side of her hospital bed. She was always kind, friendly, but also very ...
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-1 votes
1 answer
487 views

Dance a Jigsaw - Clue Fifteen

<<---First clue <---Previous clue Now that you had your clue, you have a feeling that it might be time to get out. You look around for a door, and... don't see one. However, you do see ...
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26 votes
1 answer
1k views

A firm farewell - Rest in piece

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11 votes
2 answers
371 views

Ten suspicious coasters

Last Friday I've been out with nine friends and we went to a new bar in town, called "Take it Easy" bar or something. We had a great time as a group. Well, I think most of the group had. I ...
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  • 17.9k
17 votes
2 answers
906 views

A friendly jigsaw

This puzzle belongs to the puzzle series: hyper-modern art The two friends in the gallery of hyper-modern art move into a room which is painted completely in black and white. Strange, wavy lines ...
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12 votes
3 answers
1k views

Day and night of the two timers

            Make a non - 24 - hour day /  night cycle       &...
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9 votes
2 answers
298 views

Jigsaw Logic: Opheodrys Vernalis

Challenge: Given unlimited copies of each of the above type of puzzle piece, create a $9\times 9$ square which features a picture of snake. Rules: There must be only one snake, with a head at one ...
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  • 31.4k
9 votes
3 answers
2k views

Jigsaw puzzle: edge and middle pieces

My young daughter and I love doing jigsaw puzzles together. The other day, we had a quite difficult one: 7 by 7 pieces! We started as usual by splitting the pieces into 2 stacks: the edge pieces on ...
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  • 458
27 votes
1 answer
2k views

Smashing Seven Segments

The Setup Consider a 5-by-5 grid of 7-segment displays, "smashed together" so that the peripheral segments of neighbouring displays overlap (see below).             ...
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9 votes
2 answers
1k views

The unsolvable puzzle (a colorful and challenging jigsaw 2.0)

There once was a famous work of modern art that everyone in the world loved. One particularly nasty person however hated it so much that decided to use a time machine to go back in time to when the ...
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  • 6,047
10 votes
1 answer
619 views

Physical puzzle in four parts

This is simple and has a glaringly clear solution. Instructions: Print Cut Assemble To make it a proper puzzle and avoid half-solutions: The solution I'm looking for has all pieces ...
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  • 17.9k
10 votes
3 answers
2k views

What kind of glues are not conducive to long-term puzzle preservation?

If one has a very large puzzle of an image that one desires to mount and frame; what kind of glues would damage the puzzle piece over time? I have heard of 'puzzle glues', but question if this is ...
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13 votes
5 answers
36k views

Of these five approaches to starting a jigsaw puzzle, which one is fastest?

Of the following 5 strategies for getting started assembling a jigsaw puzzle: Assembling the border and connecting other pieces to it Working your way out from one corner Trying to assemble faces ...
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