Hot Puzzles Posts

How To: Draw a circle outside a dot without lifting the pen

Get out a pen and some paper, and give this classic brain-teaser a shot! It's got two solutions.

News: Rubiks Cube World Record Broken After Just 5 Weeks With Stunning 4.373 Time From Feliks Zemdegs

Just over a month ago, the Rubik's Cube world record was smashed by Mats Valk, a Dutch speedcuber, during the Jawa Timur Open 2016. Valk was able to shave 0.16 seconds off the previous record of 4.90 seconds, which was a pretty impressive feat.

News: This Insanely Fast Robot Solved a Rubik's Cube in Just 0.637 Seconds

In December of last year, Australian Feliks Zemdegs broke the human world record for solving a Rubik's Cube with a time of 4.737 seconds. Well, this robot did it way, way faster by solving one in under 1 second. Don't tell me a robot takeover isn't real possibility.

News: Rubik's Cube World Record Gets Shattered in 4.74 Seconds

In 4.74 seconds, I can barely bend over to tie my shoes, and somehow this guy managed to crush the human world record for solving the Rubik's Cube in that time exactly.

News: Android App Solves the Unfathomable Mexaminx (Think Rubik's Cube on Steroids)

The Android Megaminxer is mind-bogglingly elaborate, impressively combining multiple geeky mediums to solve an incredibly complex puzzle. ARM, the genius behind the stunt, uses LEGOs (a Mindstorms NXT kit to be exact) to build a robot responsible for the mechanics; they then employ an Android app as the brain, which solves a Rubik's Cube—oh wait, not a simple Rubik's (that would be too easy), but a Megaminx, which is a dodecahedron with 12 faces, each face containing 5 edges. Like the classic...

Permutate This: World's First 17x17x17 Rubik’s Cube

First came the Rubik’s cube, a simple 3x3 puzzle. Then came Rubik’s Revenge, a 4x4 monstrosity. Eventually, the real whizzes attempted to conquer the V-Cube 6 and the V-Cube 7.

How To: Solve the Mirror Blocks puzzle by Rubik's Cube

OK, you've beaten everything from the 2X2 Rubik's cube all the way up to the 6X6. Now it's time to try something different. This video shows how to solve the Rubik's cube Mirror Blocks cube. It's tricky at first but follow the video and figure it out! Don't forget to check out part two of this video

How To: Solve a Rubik's Mirror Blocks Puzzle Cube

Okay, you've beaten everything from the 2x2 Rubik's cube all the way up to the 6x6. Now it's time to try something different. This video shows how to solve the Rubik's Mirror Blocks puzzle cube. It's tricky at first, but follow the video and figure it out!

How To: Solve a Rubik's Mirror Blocks Cube

OK, you've beaten everything from the 2X2 Rubik's cube all the way up to the 6X6. Now it's time to try something different. This video shows how to solve the Rubik's cube Mirror Blocks cube. It's tricky at first but follow the video and figure it out!

How To: Disassemble & reassemble the Holey Megaminx puzzle

If you're looking for the right way to take apart your Holey Megaminx puzzle, this video is for you. Part by part, piece by piece, this video will show you how to break it down then build it all back up.

How To: Solve the parity error with the Void Cube

If you're looking to solve the parity error with the Void cube, this video is for you. This how-to discusses various algorithms you'll need to know in order to solve the void cube. Don't be square, solve the square. Go!

How To: Solve the V-Cube 6

In this two part video, you'll learn how to solve the huge puzzle square, the V-Cube 6. In order to figure it out, you'll need to know how to solve the 3X3 4X4 and 5X5 cubes. Also, don't forget to watch the other part of this video.

How To: Solve the V-Cube 7

If you've solved the classic Rubik's cube and are looking for a bigger challenge, try stepping up to the V-Cube 7, currently the biggest puzzlecube out there. This tuturial walks you through sides, centers, edges to help you work it out. This is a two part video, so make sure to watch both parts.

News: The Movable Type Rubik's Cube

Love this Rubik's Cube stamp with movable type Chinese characters by Shaun Chung. Chung laser-etched the characters from wood, and then adhered them to a regular Rubik's Cube to create verses from a traditional Chinese text.

News: And You Thought a Normal Sized Rubik's Cube Was Hard To Solve...

Below, Evgeniy Grigoriev's fully functional Rubik's Cube has been shrunk down to 10mm (that's less than half an inch). Why? Grigoriev roped in world record status with his one-of-a-kind cube fit for fairies and dwarves. Actually, I think it's too tiny even for dwarves.

How To: Make a wood labyrinth

This video shows viewers how to create a wood labyrinth in which you can roll a small ball through a maze, trying not to allow the ball to fall into the hole. You will need some boards of wood which you will need to cut to the correct dimensions. You will need to create a box-like structure which will have an opening near the bottom from which you can retrieve your ball if it falls in a hole. After designing the template for your wood labyrinth, you should then proceed to make holes in the to...

How To: Find the aabb square

This video presents a mathematical puzzle which is to be solved by the viewer. The solution is posted in an alternate video, but this video presents the problem of a four digit number which is the square of a smaller number. The first two digits of the square are the same as each other and the last two digits are the same as each other as well. The video calls for the viewer to find the integer whose square is this four digit number without the use of a calculator, although abacuses are allow...

How To: Modify a 3x3 Rubik's Cube so that it turns faster and better

Mods have gone from car parts to British youthful rebels to computer game addons to this. Rubik's Cube mods. Yes, they're here. This video will show you how to modify a standard 3x3 Rubik's Cube so that it will turn and solve much more quickly and smoothly. You will need a dremel, vaseline, and some other tools, but the results are impressive.

How To: Turn and solve Rubik's Cubes one-handed faster

Okay, solving a Rubik's Cube one-handed in 15 seconds is pretty impressive. If you find solving a Rubik's Cube with two hands to be lacking in challenge and flair, try doing solves using only one hand. There is a technique to it, and this video will teach it to you. Basically, you just turn R and U a lot and rotate the cube.

HowTo: DIY Wooden Rubik's Cube

Put your woodworking skills to the test with this spin on the classic Rubik's cube. Instructables user BrittLiv demonstrates how to craft your own wooden cube using the following materials and tools:

How To: Solve a Rubik's Cube faster with F2L techniques

Solve a Rubik's Cube faster with F2L techniques

How To: Break in a Rubik's Cube so that it solves beautifully

Most Rubik's cubes are not well-made or well-taken care of. They creak and turn slowly, acting like the cheap pieces of plastic that they for the most part are. There are ways though, even for cheap cubes, to make them work much more quickly and smoothly than they do out of the box. This video will show you a great method for breaking in your Rubik's Cube. It bears some risk of breaking your cube, but if you're careful your cube should be in better shape than ever when you're done, allowing y...

God Has Spoken: Algorithm Reveals Secret Number for the Rubik's Cube

By "God," I mean Morley Davidson, John Dethridge, Herbert Kociemba, Tomas Rokicki and about 35 CPU-years.

News: 125 Piece Puzzle With a Deadly Secret

It's a puzzle. It's a gun. It's awesome. Titled "The Intimidator", this 125-piece puzzle requires a special key to disassemble. Once disassembled, 20 of the 125 pieces can be pieced to form a real working single shot pistol.

How To: Solve a Rubik's Cube in 5 minutes

To solve a Rubik's cube, you will need to begin by keeping in mind the 7 steps. To learn about the cube itself, you will need to take it apart. The cube has 3 types of pieces. The center pieces do not move. They are actually fixed. Every piece is unique, and every piece has a unique place.

How To: Solve a 3x3x4 Rubik's Cube

If you've watched our video on solving a Domino Rubik's Cube, you know that asymmetrical Rubik's "Cubes" exist and are readily solvable. If you haven't, go watch that video and come back, because this one is going to teach you how to solve the mother of the domino cube, the 3x3x4 MEGADOMINO (not it's real name). It takes a while and requires some pretty sophisticated Rubik's skills, but if normal Rubik's Cubes are too easy for you go buy one of these!

How To: Maintain your Rubik's Cube in six easy steps

If you are so good at solving Rubik's Cubes that your cube is starting to show signs of wear and tear for your excessive, fast solving, give yourself a pat on the back. You are really smart. But not your cube is sticky and the stickers are falling off! Don't let your pride and joy fall into disrepair. This video will show you six easy steps for cleaning and maintaining your Rubik's Cube, making it work even better than it did out of the box. This may take you longer than solving the puzzle, b...

How To: Solve a 2x3x3 Rubik's Domino Cube

There are all sorts of crazy Rubik's cubes these days, from the gargantuan 7x7x7 models all the way down to the 2x2xx2. Whatever happened to the plain old 3x3x3 Rubik's Cube? Whatever the case, this video is about one of the weirder styles of cube, the 2x3x3 "Domino". It's not even a cube! This video will show you how to solve a Rubik's domino from any starting position. The instructions are very clear, and should have you solving this interesting "cube" in no time.

How To: Solve a Rubik's Cube in 90 seconds

Learn how to solve a Rubik's cube in ninety seconds in this video. You'll learn that there are couple of common methods used to solve the cube. The Petrus method which starts with the corner and the Friedrich method which starts at the bottom and moves up. The presenter shows how he uses several methods and algorithms to create seven steps to a solved cube. The first step is to make a cross on the bottom layer. The second step is to correctly place the bottom corner pieces. The third step is ...

How To: Use multislotting to solve a Rubix Cube

The world of hardcore Rubix Cube solving is a competitive and insular one. This video, clearly made for the Rubix enthusiast, is a discussion of multislotting and some ways in which this technique can be used to break up bad pairs on the cube. It moves very, very fast, so newbies need not apply, but if you are serious about solving Rubix Cubes quickly, this video should help you achieve your goal.

News: What's This Chinese Baby Been Eating? 3-Year-Old Solves Rubik's Cube in 114 Seconds

Holy crap. Um, I can't solve a rubik's cube, period. This baby has totally shamed me. Time to learn.

How To: Solve a 4 colored Mastermorphix

A Mastermorphix is sort of like a more intense version of a Rubik's Cube. This tutorial will show you how to solve this triangular puzzle. Basically, once you know how to solve a normal Rubik's Cube, you will be able to master this in no time.

How To: Solve a 6x6x6 V-Cube 6 puzzle

Watch this four-part tutorial to learn how to solve a 6x6x6 V-Cube 6. This is a rather advanced cube, so it's recommended that you already know how to solve both a 4x4 and 5x5 cube first. If not, you might end up getting just a little bit lost. This detailed instructional video tutorial will leave you eager to get started on your own cube!

News: Android Can Now Solve the Rubik's Cube

Well, only if you also happen to have an ARM powered LEGO Speedcuber device. Promotional video by maker David Gilday for ARM Ltd. With the help of the Android, the machine cracks the Rubik's Cube in 25 seconds (compare to LEGO Mindstorms solvers' 4 seconds.... or the human record of 7 seconds). Previously, Wow-Worthy Hack: Android Running on iPhone.

WonderHowTo loves the Rubik's Cube. We've got endless tutorials on speed solving, disassembling, assembling, algorithms, and more. If you're already a master of the cube, here's a new challenge for you: make some DIY modifications with BrittLiv's Instructable.

How To: Begin playing Sudoku

Jacky Liao and Tony Liao describe the main attributes of Sudoku and provide tips on how to solve the puzzle. Sudoku is a popular puzzle just like crossword. It is a puzzle of a 9X9 square sub-divided into 3X3 squares. You have to fill each column and row with digits 1 through 9 in any order. Each 3X3 sub-square must include all digits 1 through 9. Every Sudoku game starts with a few of the squares filled in. The more squares that are filled in the easier it is to play. As you fill in the squa...

How To: Figure out Rubik's Cube notation

Has a Rubik's Cube got you stumped? This video demonstrates how to understand notation in a three-by-three cube. Step one of the video is to understand that there are three types of pieces in a cube. One is a center pieces, these demonstrate what the color of the side must become. Next, is an edge piece. This is one piece with two stickers. Lastly, there is a corner piece. This is a corner on the cube. It has three stickers. Finally, once you understand the notation of the pieces of the cube,...

How To: Make your own crossword puzzle

Crossword puzzles are great way to exercise you mind and have something fun to do with breakfast. Don’t just do a puzzle, but make one yourself. You can do it by hand or try out the help of a crossword building software.

How To: Play KenKen

It’s a game, it involves numbers, it’s fun, it’s KenKen! Understanding the goals and rules of this fun, numbers puzzle will give you the skills you need to win. Have fun working your brain and passing the time with KenKen.