Unanswered Questions
35 questions with no upvoted or accepted answers
27
votes
0
answers
2k
views
Is there a move-efficient way to rotate the center pieces on the Octo-Star?
I'm looking for a more efficient algorithm to rotate the center column of the Octo-Star puzzle 45 degrees.
The situation below occurs when four properly-oriented edges are next to each other, ...
14
votes
0
answers
846
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?
9
votes
1
answer
2k
views
Is there another name for this puzzle? (Kyudoku, Nine Find)
Is there another name for this type of puzzle? I can only find two examples of it online:
https://www.brainzilla.com/logic/kyudoku/
http://ninefind.com/
In the game you start with a 6x6 grid filled ...
8
votes
0
answers
201
views
Is it possible to create a knot that is locked only when the rope is stretched?
Is it possible to create a knot that is stable/locked when the rope is stretched?
When the tension is relived the knot should open.
6
votes
0
answers
186
views
How many items are there in the lab?
I am looking for how to complete the following question so that it gives a unique solution. Maybe somebody can give a visual solution.
A lab contains experimental equipment. 24 items are ready to use ...
6
votes
1
answer
307
views
Creating accessible crosswords
Often, crosswords* posted to Puzzling have at least one of the grid or clues in an image. For visually impaired, blind, and/or screen-reader using people, or those who can't see images for some other ...
5
votes
1
answer
479
views
Oh no, my chocolate banana puzzles are not unique!
There is a hidden message (7, 2) inside the solutions of the nine puzzles. An answer will only be accepted if it correctly identifies said message.
Here are the Chocolate Banana puzzle rules. Each ...
4
votes
0
answers
350
views
Are infinite loops possible in the game Prodway?
I'd like to know if infinitely repeating sequences of moves (i.e. cycles) are possible in the following game:
Prodway is a game for two players (Black and White) that is
played on an initially empty ...
4
votes
0
answers
349
views
Do minecart puzzles like this, with buttons that rotate track, exist?
This is the end result of me messing around with minecarts and moving floors.
The buttons change the orientation of either their nearest or their same-color track. Now I'm not asking you to solve the ...
4
votes
0
answers
158
views
Ideas on spatial puzzles for a city walk
Background.
With the relaxation of covid-related restrictions, there was a need for intelligent city walks. Walk here is a moving between city objects by a certain (deterministic/stochastic) route.
I ...
4
votes
0
answers
90
views
How to create a puzzle from a pre-existing, fixed data source?
Examples of what I mean:
Instructions lead puzzlers to a library where the names of donors are inscribed on bricks out front. Along with some piece of information that is given to them on a piece of ...
3
votes
0
answers
186
views
Seeking Software to Convert Line Drawings into Connect-the-Dots Puzzles
I am on the lookout for a software solution, whether free or premium, that is capable of transforming line drawing images into connect-the-dots puzzles. My interest lies in both vector and bitmap ...
3
votes
0
answers
218
views
Filling in an 8x8 minesweeper grid with mines (Day 2: Diagonal Reverse Synesthesia)
Note: This is based off of Day 30 of the Minesweeper Advent Calendar on heptaveegesimal.com
So my first minesweeper puzzle did not go so well. I will try to do better today.
First off: This is a torus ...
3
votes
0
answers
100
views
Rubik's Cube PLL Series Challenge
Assumed Knowledge:
To complete this puzzle, you must have a basic understanding of the 3x3x3 Rubik's cube, and the CFOP method of solving one. You need not have the algorithms memorized or be able to ...
3
votes
0
answers
182
views
Designing a new type of twisty puzzle
Recently, I was fiddling with my Rubik's cube and tried scrambling it only using R and U moves. I then tried to solve it using only R and U moves. I didn't use any cube rotations.
It was an ...