The Conclusion of Brain Teaser Week!

It’s the third and final day of our celebration of all things brain-teasing, riddling, and word-tricky, and we’ve got one last devious challenge lined up for you.

Remember! On Tuesday, Thursday, and Friday of this week, a different brain teaser or word problem will be posted, and it’s up to you to unravel them. Contact us with the correct answer — either here on the blog through the comments, or on Twitter, Facebook, or Instagram through our messages — and you’ll be entered into a pool to win a prize!

And yes, you can enter more than once! Heck, if you solve Tuesday, Thursday, AND Friday’s puzzles, that’s three chances to win!

Let’s get started, shall we?


Here’s today’s brain teaser, which mixes the math of Tuesday’s puzzle with the deductive reasoning of Thursday’s puzzle:

The owner of a winery recently passed away. In his will, he left 21 barrels to his three sons. Seven of them are filled with wine, seven are half full, and seven are empty.

However, the wine and barrels must be split so that each son has the same number of full barrels, the same number of half-full barrels, and the same number of empty barrels.

Note that there are no measuring devices handy. How can the barrels and wine be evenly divided?


Good luck, fellow puzzlers! We’ll see you Tuesday with answers for all three brain teasers!

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Brain Teaser Week Continues!

It’s Day 2 of our celebration of all things mind-tickling, and we’ve got another diabolical challenge lined up for you.

Remember! On Tuesday, Thursday, and Friday of this week, a different brain teaser or word problem will be posted, and it’s up to you to unravel them. Contact us with the correct answer — either here on the blog through the comments, or on Twitter, Facebook, or Instagram through our messages — and you’ll be entered into a pool to win a prize!

And yes, you can enter more than once! Heck, if you solve Tuesday, Thursday, AND Friday’s puzzles, that’s three chances to win!

Let’s get started, shall we?


Here’s today’s brain teaser, which is less mathematical than Tuesday’s and more logical or deductive:

You want to send a valuable object to a friend securely. You have a box which can be fitted with multiple locks, and you have several locks and their corresponding keys. However, your friend does not have any keys to your locks, and if you send a key in an unlocked box, the key could be copied en route.

How can you and your friend send the object securely?


Good luck, fellow puzzlers! We’ll see you Friday with our next brain teaser!

Thanks for visiting PuzzleNation Blog today! Be sure to sign up for our newsletter to stay up-to-date on everything PuzzleNation!

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Welcome to Brain Teaser Week!

[Image courtesy of Bogoreducare.org.]

Hello puzzlers and PuzzleNationers!

This week I thought I would try something different and focus on a theme for the week’s posts, rather than posting about different topics on our usual days.

So, please join me in some puzzly challenges as we celebrate Brain Teasers Week here at PuzzleNation Blog.

On Tuesday, Thursday, and Friday of this week, a different brain teaser or word problem will be posted, and it’s up to you to unravel them. Contact us with the correct answer — either here on the blog through the comments, or on Twitter, Facebook, or Instagram through our messages, and you’ll be entered into a pool to win a prize!

And yes, you can enter more than once! Heck, if you solve Tuesday, Thursday, AND Friday’s puzzles, that’s three chances to win!

Let’s get started, shall we?


Here’s today’s brain teaser:

A set of football games is to be organized in a “round-robin” fashion, i.e., every participating team plays a match against every other team once and only once.

If 105 matches in total are played, how many teams participated?


Good luck, fellow puzzlers! We’ll see you Thursday with our next brain teaser!

Thanks for visiting PuzzleNation Blog today! Be sure to sign up for our newsletter to stay up-to-date on everything PuzzleNation!

You can also share your pictures with us on Instagram, friend us on Facebook, check us out on TwitterPinterest, and Tumblr, and explore the always-expanding library of PuzzleNation apps and games on our website!

A Puzzle Game That Lets You Change the Rules of Puzzles!

[Image courtesy of Linux Game Consortium.]

Solving puzzles through different mediums can lead to unexpected and challenging solving experiences.

One advantage that video game puzzles have over their pencil-and-paper counterparts is that, while the paper puzzles are a one-stop shop for a puzzle experience, there’s no adaptation, no evolution, no development for the solver or chance to build upon what they’ve learned through multiple solves or repetition.

In video game puzzles, on the other hand, repetition is the name of the game. New skills and techniques are immediately tested by clever twists on established puzzles, so you’re never resting on your puzzly laurels.

For example, while discussing the classic puzzle platforming game Portal, my friend once described it as a game that reprograms your brain with each puzzle you solve, transforming alongside the player. (This is also a hallmark of many of the puzzle games offered by our friends at ThinkFun.)

[Image courtesy of Game Informer.]

That sort of reprogramming is at the heart of the puzzle experience in a new game called Baba Is You.

In Baba Is You, the gameplay consists of objects to move and manipulate, as well as word blocks that form rules for the game itself. You start off by being able to move Baba, a small rabbit-like creature, around obstacles, with the goal of reaching a golden flag. So, the word blocks read “Baba is you” and “flag is win,” which both tell you the starting rules and the goal.

[Image courtesy of Kotaku.]

By changing these word blocks, you change the rules, effectively reprogramming what you can do in each level.

Kotaku explains this concept well:

One clump might say “Baba is you,” which means Baba is the character you control. Another might say “Rock is push,” which means you can push rocks, or “Wall is stop,” which means you can’t walk through walls…

You rearrange individual words to solve the puzzles. There are usually multiple options, depending on where the words are placed. In the above example, you could remove “stop” from “wall” and pass through the barrier. You could attach “wall” to “is push” instead of “is stop” and push it out of the way. You could make yourself the wall by pushing the word “wall” before “is you.” Or you could make the wall the win condition and touch that instead of the flag.

[Image courtesy of Kotaku.]

So, essentially, you solve each puzzle by obeying the rules, changing the rules, and then obeying the new rules. And since puzzles are all about figuring out how to accomplish tasks by adhering to certain rules, this creates a fascinating new style of puzzle. It’s almost like improvisational comedy or Calvinball, except it’s not played for humor.

I don’t know that I’ve ever seen a puzzle game that lets you alter HOW you play as drastically and as simply as this. You literally make and break the rules here, depending on how clever you are.

Baba Is You is available for PC and Switch, and I look forward to seeing more diabolical puzzling like this in the future.


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A Password Brain Teaser With an Unexpected Snag

 

[Image courtesy of The Next Web.]

One of the curious aspects of being a modern Internet user is figuring out how to manage your passwords. Most sites, whether commercial or recreational, have log-in screens or other account info, and it’s up to you to remember passwords for these numerous accounts.

You could use the same password over and over for everything, but that’s not a terribly safe choice. You could keep a list where you write down your different passwords to each site in order to keep them all straight, which is also not safe. You could opt to use a password-management service to handle them for you, which is a bit unwieldy for most users.

And if you need to come up with a new password for each account, you might find yourself employing a puzzly technique like Mira Modi’s in order to conjure up a password.

[Image courtesy of In the Black.]

Recently, Gizmodo writer Rhett Jones posed a password-centric brain teaser to his readers, asking why the seemingly safe-looking string “ji32k7au4a83” might not be a good choice for a password.

Can you puzzle out why?

I’ll give you a few moments to ponder it.

All set? Okay, here we go.

As it turns out, “ji32k7au4a83” is the Chinese equivalent of one of the worst choices for a password. Using the Zhuyin Fuhao system for transliterating Mandarin to English, “ji32k7au4a83” becomes “my password,” a top contender for terrible password ideas like those compiled below:

[Image courtesy of Ars Technica.]

Yup, as it turns out, that random string of letters and numbers isn’t particularly random after all.

You’d be better off using a technique suggested by one of my fellow puzzlers. To generate her random passwords, she composes a sentence related to the website, then uses only the first letter of each word in that sentence as the base for the password.

Toss in a number or two, and voila, you’ve got something that appears to be gibberish, but is easily recalled and reassembled for your own use.

Pretty diabolical! Give it a shot and let us know how it works for you!


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A New Twist on a Classic Twisty Puzzle?

The Rubik’s Cube is an instantly recognizable icon of the puzzle industry. That simple pattern of colors on a 3×3 grid, the twisty turny puzzly challenge… it’s unmistakable.

Of course, that hasn’t stopped Rubik’s Cube devotees and puzzle designers from experimenting with new variations on this iconic idea. Just in the last few years, we’ve seen everything from a solvable Google Doodle to a smartphone-enabled solving tool, from self-solving cubes to 3D-printed designs from superfans. Heck, we’ve seen cubes the size of buildings! (We’ve even seen them animated!)

But we’ve never seen a Rubik’s Cube quite like this.

[Image courtesy of Gearbrain.]

Say hello to the Rubik Tilt, a $25 handheld Rubik-style twisty puzzle that mixes button pressing with rotating, turning, and tilting the device itself in order to manipulate a virtual Rubik’s Cube on its game screen.

The buttons on the back of the controller allow you to select which row or column of the Cube is being shifted by your real world maneuvering.

Now, you may very well be saying, “So what? What does the Rubik Tilt do that you can’t get from playing with an actual Rubik’s Cube?” And that is a very fair question.

And the designers at Super Impulse did think of that; yes, the Rubik Tilt does have one trick up its sleeve that the original Cube does not.

[Image courtesy of Gizmodo.]

It’ll offer you hints if you get stuck.

Yes, when the game detects a lapse in solving — such as when you’re stumped about how to proceed next — it offers hints on which rows and columns of the puzzle to focus on. Although the puzzle won’t go as far as walking you through solving a Cube, it does provide a little pushing and prodding to keep you going.

When you factor in that the game also keeps track of your solving time, you have a Rubik’s-solving experience that not only encourages you, but actually teaches you to be better at solving this classic, diabolical brain teaser.

And, like the best puzzles, it rewards determination, rather than doubling down on frustration.

It’s certainly a different take on the Cube we all know, but it remains a worthwhile experiment, a proud new entry in the grand tradition of puzzles that teach us to be better solvers.


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You can also share your pictures with us on Instagram, friend us on Facebook, check us out on TwitterPinterest, and Tumblr, and explore the always-expanding library of PuzzleNation apps and games on our website!