Skip to main content

Questions tagged [twisty-puzzles]

Twisty puzzles consist of a set of pieces which can be manipulated into different combinations by a group of operations. Use this tag for puzzles similar to the archetype of combination puzzles, the Rubik's cube.

Filter by
Sorted by
Tagged with
1 vote
1 answer
115 views

What is the CMLL Algorithm that fits this particular case?

I implemented the CFOP method in my Rubik's cube solver. Now I am trying to add the Roux method. I couldn't find the right CMLL algorithm for this particular case. After consulting the CMLL algorithms ...
1 vote
1 answer
185 views

How to fix wrongly stickered Rubik's cube

I have an edge piece that has the same color (white) on both side. I think it's unsolvable now. Should I swap the stickers? How would I know which one to exchange it with?
4 votes
3 answers
3k views

How to make a Rubik's Cube look like a die?

Is it possible to "solve" a Rubik's Cube (the original with 3x3 elements per side and six sides) to make it look like a die (each side showing a different die pattern from 1 to 6, opposite ...
2 votes
1 answer
264 views

Strange configuration for last layer

I am trying to solve my Rubik's cube but last layer has got strange configuration which I am not able to solve. I'm following algorithm shown on this page. Here is the layout: As you can see green ...
7 votes
3 answers
9k views

Adjusting wrongly assembled Rubik's Cube

I bought a new Rubik's Cube and was able to solve it with some tutorials. However, I made a wrong movement, so that one piece came out. I think, I put it wrong together, because I'm not able to solve ...
1 vote
3 answers
349 views

My 2x2 has a twisted corner

So my 2x2 corner is twisted. Anyone know how to fix it without breaking the cube? The cube is the MoYu RS2M.
1 vote
3 answers
538 views

Rubik's Cube with center pieces swapped, how can I find the correct combination?

I wanted to start cubing, so I have a cube that allows for the center pieces to be swapped, so when it was dropped on the ground, they all fell. Now there's 6! combinations of center pieces. Is there ...
26 votes
9 answers
28k views

Is it possible to scramble a Rubik's cube such that no two squares of the same color are touching?

My friend always insists on scrambling my Rubik's cube "perfectly" before giving it to me to solve. According to his definition, a "perfect" scramble must have no three of the same ...
4 votes
1 answer
345 views

swapping adjacent corners on a 3x3 cube

My son received a 3x3 cube for Christmas which has oddly shaped pieces. I have solved as for a Rubik's cube but have ended up with 2 corners I can't solve on the top layer. They are 2 adjacent corners....
1 vote
2 answers
440 views

How can I visualize the Mastermorphix 3x3 modification?

I bought a Mastermorphix a while ago and I’m just starting to want to figure out how to solve it, which is great because it came with instructions. The instructions are telling me that the ...
1 vote
2 answers
2k views

Non-reduction methods for solving the 4x4 Rubik's cube

I have a 4x4 Rubik's cube (aka Rubik's Revenge), which I can solve by reducing it to a 3x3 and then solving the 3x3. However, this can result in "parity" cases, where a single edge of the 3x3 is ...
13 votes
8 answers
43k views

How to Flip Adjacent Edges like this

Only these two edges are misplaced. Any algorithm to solve this?
3 votes
1 answer
2k views

How to fix swapped edges in a 5x5 rubik's cube

I have a 5x5 Rubik's Cube in a similar situation to this previous post - entirely solved, except for a pair of swapped edges: Swap the edges in a solved Rubik's cube. However, since it's a 5x5, it'...
5 votes
1 answer
342 views

How to define "edge orientation" on a pyraminx?

I have a question about the pyraminx twisty puzzle. I've included a bit of background to make sure we're all using the same words. (background) To the initiated, a pyraminx is a triangular-looking ...
6 votes
2 answers
11k views

Rubik's Cube - How to swap 2 middle layer pieces, it can affect the top, but not the bottom

While solving with CFOP, I have the following situation. The bottom side is solved. On the front face, I have the left-center and right-center pieces swapped. How can I swap these pieces? I know ...
2 votes
0 answers
89 views

Puppet 2 invalid configurations w.r.t. Rubik's Cubes

My MoYu Puppet 2 has had a few small cubes disassembled and I've put them back more or less randomly. Specifically, I merely made sure that the resulting configuration remains solvable as if it was a ...
9 votes
1 answer
1k views

Cube Scrambling

Take a normal 3x3 rubiks cube (the Classic unmodded cube). I know the WCA method for scrambling is to pick a random (valid) cube state and calculate a sequence of moves to go from solved to that state,...
3 votes
0 answers
99 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
2 answers
342 views

Why do centers seem flipped from guide despite centers not moving in relation to each other?

I've been struggling with the first step of the beginner Rubik's cube solving algorithm with one simple problem. I am able to get the top face as all white, with blue and orange center pieces adjacent ...
3 votes
1 answer
633 views

Megaminx last layer edge permutation

I'm learning/teaching myself the megaminx (3x3), based on my experience of cube solving (ranging 1x1 to 8x8, I have no problems with them, but I'm not fast). Mostly it's pretty intuitive, I could get ...
4 votes
2 answers
3k views

Shortest algorithm to rotate 2 corners on a Rubik's Cube

I'm looking for the shortest algorithm to rotate 2 corners without rearranging any other pieces location or orientation. For example, turning the Top-Front-Right corner clockwise and the Top-Front-...
2 votes
1 answer
759 views

Shortest Algorithm to flip 2 edges on a Rubik's cube

I'm looking for the shortest algorithm to flip 2 edges without rearranging any other pieces location or orientation. For example, flipping the Top-Front edge and the Top-Right edge. My current best is ...
5 votes
1 answer
389 views

n*n*n Rubik's cube algorithm

Is there a universally working (I mean, regardless of n) algorithm for Rubik's cube n×n×n ? It is acceptable to divide ...
5 votes
2 answers
12k views

Rubiks Cube 4x4x4 Top Layer Issue - One Edge Pair Flipped

I have trouble with that edge. Please give algorithm or images for solutions for turning it up so that I can form a cross.
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, ...
39 votes
11 answers
78k views

How can one solve a Rubik's cube without relying on guides/algorithms?

I am wondering who is able to solve Rubik's cube just by thinking without knowing the rules behind it. As far as I know the inventor Ernő Rubik was professor of architecture and he intended to help ...
1 vote
3 answers
463 views

Is this Rubik's cube broken?

I am trying to solve the Rubik's cube in the picture using the layers' method. I used successfully the same algorithm on another cube, but somehow when I reach the last stage it just does not work. ...
1 vote
1 answer
669 views

Help with solving 7x7 sub-centers inside 11x11x11 Rubik's cube -- errors in guide book

[companion question here] I was given an 11x11x11 Rubik's cube as a gift. It came with a guide book that I have been following to solve the cube. After solving four of the 9x9 sub-centers of the cube,...
1 vote
1 answer
177 views

Help with solving 5x5 sub-centers inside 11x11x11 Rubik's cube -- errors in guide book

[companion question here] I was given an 11x11x11 Rubik's cube as a gift. It came with a guide book that I have been following to solve the cube. I have solved four of the 9x9 sub-centers of the cube,...
32 votes
2 answers
2k views

CSE Hex Cube Puzzle

I've been tackling this puzzle named "Hex Cube" from the CSE (Communications Security Establishment, the Canadian "equivalent" of the NSA) which comes with the instructions: "...
2 votes
1 answer
1k views

Rubik's Cube: Corner stickers appear switched

My 8 year old son has a 3x3 Rubik's cube. He's had it for months and solved it many times. He has accidentally (or purposefully) flipped corners, but we've always been able to flip them back and ...
5 votes
1 answer
2k views

Orientate the centers of a Master Pyraminx (Pyraminx 4x4)

I have a very strange state on my 4x4 Pyraminx. The green side is solved and the other sides are almost solved, the problem is, on these 3 remaining sides the centers are not solved. The state looks ...
4 votes
2 answers
412 views

5×5 illegal parity - how could I move the centerpieces to fix it?

My cube was dropped (kids uugh) and only three center pieces fell out (red blue and yellow). I put them back where I thought they should be, and then solved the cube. The end result is this weird ...
10 votes
2 answers
421 views

Communication via a Rubik's cube

I watched The Promised Neverland recently and after exploring a little, I found out that Norman used a 5x5x5 Rubik's cube (aka a professor's cube) to communicate when he was held at the $\Lambda\text{-...
2 votes
0 answers
2k views

Solving the puppet cube without preserving the shape

I'm looking for a simple way of solving the MoYu Puppet cube (version 2 to be precise). It's a shapemod of a 3x3 Rubik's cube on which 7 of 8 corners have additional parts which form a bigger 2x2 cube ...
2 votes
1 answer
204 views

How do I solve this 5x5 Rubik's cube? Two faces have the "inner ring" swapped, but the rest of the cube is completely solved

I was just fiddling with a previously solved 5x5 Rubik's cube, and when I attempted to revert it back to the solved state, it ended up with all but 2 faces solved. I can't remember the moves I did to ...
7 votes
1 answer
30k views

How can I switch 2 yellow corners that are on the same face of a 3x3 cube?

How can I switch these two corners?
7 votes
3 answers
424 views

How many stickers can a Rubik's Cube lose?

I have an old Rubik's Cube, the kind with stickers. The stickers tend to fall off. That got me wondering: How many stickers can you remove from a Rubik's Cube at most, while preserving the property ...
5 votes
4 answers
609 views

Algorithm to make two scrambled Rubik's cubes be exactly the same on all faces

There are millions of Rubik's cube combinations possible. If I have two 3×3 Rubik's cubes and both are scrambled, I want to make one scrambled cube exactly the same as the other without solving them. ...
1 vote
2 answers
738 views

What is the name of this Rubik's Cube pattern where the two squares bordering a corner are switched cyclically around the faces touching that corner?

I know one that there was a similar one called "glitch". If possible, could you also provide notations/a video tutorial for making it as well.
7 votes
1 answer
363 views

$4\times4\times4$ Rubiks cube Top Layer Issue

The only way i am able to solve is to jumble the whole cube again. If you know the way to solve pls give images or algorithm.
1 vote
1 answer
1k views

Help to solve rubik cube 3*3*3

How to solve my rubik? Which pattern left?
3 votes
1 answer
244 views

What's the name of this Rubik's Cube pattern, where each face has a main diagonal and an L on either side in three different colors respectively?

This pattern looks really interesting, but all I can find on it is this one picture. If someone could also provide a video tutorial (if possible), because I don't really do well with notations.
7 votes
1 answer
190 views

Rubik's Scramble Search

Find a scramble which will produce a Rubik's cube fulfilling the following criteria which uses as few turns of faces as possible (Half-Turn-Metric): Each of the six faces show exactly three colours ...
1 vote
1 answer
6k views

How to swap adjacent corners?

I want to swap adjacent corners of U layer, the only thing I care is: position of other 6 corners. I don't care: orientation of all corners position of all edges orientation of all edges The goal ...
1 vote
1 answer
1k views

Misaligned Cube: How to fix? [duplicate]

There must have been an accidental turning of corners. Now, I do not know how to turn corners, so that the cube is solvable again. The red and blue edges are the only misaligned pieces.
8 votes
2 answers
297 views

Rubik's Cube: Does going from one arbitrary configuration to another have same God's Number as solving it?

Assuming two different (valid) configurations for a Rubik's Cube - A and B - does going from A to B directly have the same complexity as solving the cube? Considering solving a cube can be done in 20 ...
2 votes
1 answer
266 views

How to solve this Rubix cube? [duplicate]

Help!!!! Is this rubix configuration solvable? These are the only two pieces in the wrong place. If the answer is no, what pieces do I need to reconfig to make the cube solvable? Note that my kid ...
1 vote
1 answer
385 views

Is there a standard name for this 2 look PLL algorithm?

I'm currently learning 2-look PLL and came across this PDF with some algorithms. I went through and gave names to the algorithms just so they'd be easier to remember and refer to, but got stuck on ...
14 votes
2 answers
601 views

Minimum effort to detect a solved Rubik's Cube

When writing a program to permute a Rubik's Cube and then subsequently detect whether it is solved or not, what is the absolute minimum amount of programmatic effort required to determine if the cube ...