A Dollar For Your Thoughts? It’s the Hundred Dollar Puzzle!

[Image courtesy of ColourBox.com.]

That’s right, fellow puzzlers and PuzzleNationers! It’s that time again when we pit our puzzly minds against a fiendish brain teaser and test our mental mettle!

You might’ve seen this brain teaser making the rounds on social media. It’s known as the hundred dollar puzzle, and unlike most brain teasers, this one is less about the puzzle and more about how we got to the solution.

Intrigued? You’re not the only one. Let’s take a look at the brain teaser:

A young man sees a shirt for $97. He borrows $50 from mom and $50 from dad. He buys the shirt and is left with $3 change.

He gives $1 to mom, $1 to dad, and keeps $1 for himself. Now he owes his mom $49 and his dad $49.

$49 + $49 = $98 + his remaining $1 = $99. Where did the other $1 go?

[Image courtesy of CollecTons.]

People love brain teasers like this, because at first glance, and even at second glance, the math SEEMS to hold up.

But the real trick to this one is that it’s asking the wrong question. The other dollar didn’t go anywhere.

The problem here is… as soon as he pays his parents back, it’s no longer about one hundred dollars. It’s about ninety-eight dollars.

Let’s look at total borrowings versus borrowings after paying back his parents. The original specs were:

What he owed: $100
What he had: $3 and a $97 dollar shirt.

But the goalposts changed when he paid his parents back a dollar each. (And if he plans to pay the loan off a dollar at a time, it’s going to take FOREVER for them to get their money back.)

What he now owes: $98
What he has: $1 and a $97 dollar shirt.

The math adds up. Your total borrowings go from $100 to $98 dollars, and you spent $97 dollars and put the extra dollar in your pocket.

So the final equation in the brain teaser is flawed. It’s not $49 + $49 = $98 + his remaining $1 = $99. It’s $49 + $49 = $98 = his remaining $1 and his fancy shirt $97.

[Image courtesy of Ali Express.com.]

Sometimes, brain teasers aren’t about crunching numbers, but finding the logical flaw in the puzzle itself.

We hope you enjoyed unraveling the hundred dollar puzzle, and if you have any brain teasers, riddles, or other puzzly suggestions for mental challenges to conquer, let us know in the comment section below! We’d love to hear from you!


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A Scavenger Hunt with a Dragon at the End?

Although I’m the only one who works in the puzzle field, I’m far from the only member of my family with puzzly skills.

Mom is a whiz at cracking crosswords, Sudoku, and Jumble puzzles. My younger sister demolishes jigsaw puzzles, rules trivia games and bar trivia nights, and has a knack for tackling escape rooms. My older sister loves city-spanning scavenger hunts like The Great Urban Race.

And although the GUR is no longer running, plenty of other events around the country are waiting to be discovered to scratch the puzzly itch of enthusiastic solvers.

One of them is coming up in a few weeks, in fact. If you’re near Boston, you can join the Boxaroo crew for their third annual City Scavenger Adventure, The Dragon of Bostonshire!

On August 19th from 1pm to 5pm, Christopher Columbus Waterfront Park will be the starting point — and final destination — for a quest worthy of the name…

Once upon a present time, in a parallel universe known as Bostonshire, a loud rumbling echoed throughout the land. As the town became concerned, the noble Knights of Bostonshire went to investigate… and lo and behold! They discovered a ferocious, enormous dragon, raging and breathing fire. Alas, the Knights are in dire need of YOUR help- will you and your team be able to help them defeat the dragon before Bostonshire is destroyed?

Teams of up to 5 will race around Boston in order to take pictures, solve puzzles, accomplish tasks, and hopefully collect enough clues to return to the park in order to complete the final challenge and slay the dragon!

I reached out to the Boxaroo team for a bit more detail, and they kindly indulged me, explaining that the scavenger hunt aspect of the quest is a combination of puzzle-solving, running around, and accomplishing tasks. The puzzle-solving ranges from memory games and trivia to logic puzzles, with each location providing a different challenge to overcome in order to earn a clue.

It sounds like an awesome time, and I hope it’s a grand success for the players and organizers alike! Click here for more details!

What do you think, fellow puzzlers and PuzzleNationers? Will you accept the challenge of the Dragon of Bostonshire? Have you competed in an event like this one? Let us know! We’d love to hear from you?


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PuzzleNation Product Review: ThinkFun’s Kaleidoscope Puzzle

[Note: I received a free copy of this product in exchange for a fair, unbiased review. Due diligence, full disclosure, and all that.]

Clear, or transparent, cards are a rarity in puzzles and games, but they offer a terrific gameplay mechanic: the ability to stack cards without obscuring information.

The clear cards in the storytelling game Gloom allow players to add and subtract points from various characters as the grim and whimsical stories unfold. The quick-play pattern-matching game On the Dot — which was part of last month’s Tabletop Tournament — challenges players to properly arrange four clear cards — each with randomly-placed colored dots — in order to match a given pattern before their opponents do.

Now, the creative minds at ThinkFun have put a wonderful, vibrant twist on the clear-card genre of puzzles and games with their latest release: Kaleidoscope Puzzle.

[Two of the six kaleidoscope tiles.]

In Kaleidoscope Puzzle, you have six octagonal tiles, each with its own pattern of tinted and clear quadrants. It’s up to the solver to arrange either two or three of the six tiles in order to recreate the patterns on the challenge cards.

First off, I want to say that this might be the most aesthetically pleasing puzzle I’ve ever solved. Just turning the kaleidoscope cards in my hands in front of a light is enjoyable, letting the snowflake-patterning on each card blur and come into focus anew as the cards line up, each time matching and mixing the various colored quadrants to create eye-catching effects. It’s brilliant in its simplicity, and unlike any color-based puzzle I’ve seen on the market today.

It almost feels like putting together a stained-glass window, particularly as the challenge cards progress and the patterns grow more elaborate.

[One possible combination of those two tiles.]

The Beginner challenge cards help to familiarize you with the gameplay. You quickly figure out placement and color combinations. As you transition into the Intermediate challenge cards, the patterns grow more elaborate, and honestly, more beautiful. It’s amazing the combinations you can conjure with just two of the six possible kaleidoscope tiles!

Halfway through the Intermediate challenge cards, they ratchet up both the possibilities and the difficulty, as you now have to create the patterns with three kaleidoscope tiles. Now you’re trying to cover all four quadrants with color patterns, and it becomes about maximizing what each tile offers.

But it’s in the Advanced challenge cards that the game really separates itself from On the Dot-style solving, because Kaleidoscope puzzle has the color-mixing element as well. Not only are you manipulating the kaleidoscope tiles to place the basic colors where you need them, but you also need to create green, orange, and purple patterns as well.

Toward the end of the Advanced challenge cards, you start to deal with eighths instead of quadrants, divvying up the field into increasingly more complicated designs, reminiscent of pie charts.

Sometimes, you might discover alternate ways to form the patterns, which is very satisfying indeed. It also speaks to how adaptable the six kaleidoscope tiles are, since you can arrange them in seemingly endless combinations.

By the time you reach the Expert challenge cards, you’ll be turning, flipping, and rearranging these tiles like crazy to form the intricate patterns on the cards. It’s an unexpectedly relaxing form of puzzling, a meditative mix of challenge and aesthetics.

[The same pattern coming to life under a desk lamp.]

I cannot say enough good things about this puzzle. Mixing the resource management of how to get the most out of each tile you choose with the striking visuals of the kaleidoscope tiles makes for a unique solving experience.

Puzzles that are as satisfying to look at after the solve as they are to solve in the first place… that’s a true rarity. What a treat.

[Kaleidoscope Puzzle is available from ThinkFun and participating retailers, starting at $9.99!]


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PuzzleNation Product Review: ThinkFun’s Cat Crimes

[Note: I received a free copy of this product in exchange for a fair, unbiased review. Due diligence, full disclosure, and all that.]

ThinkFun is a company that excels at creating logical deduction puzzles for solvers of all ages. Whether it’s moving robots toward a rocket ship in Lunar Landing, completing electrical circuits in Circuit Maze, or placing mirrors to reflect a laser’s beam in Laser Maze Jr., these clever puzzly challenges introduce classic puzzle concepts to younger solvers in engaging, unique ways.

But with their latest release, they’ve taken a step back from more high-concept, high-tech puzzles and embraced a more traditional logic puzzle format.

In Cat Crimes, you’re given a series of clues, and it’s up to you to place the six cat characters around the living room in order to determine which one has been up to some destructive mischief.

For instance, a given challenge card will list the crime in the upper right corner — a flowerpot that’s been knocked over, for instance — and the clues listed beneath will tell you which cats are your suspects, along with hints for where to place them in the living room.

The living room is covered with little bits of visual evidence — scratches on the floor, paw prints, mouse toys, etc. — that can be used to help you figure out where each of the cats were sitting when the crime was committed.

The beginner-level mysteries start out simple, with the clues mostly focused on the placement of the cats (across from a sock or next to some catnip, for instance). As the mysteries cards grow more complex — moving from beginner and intermediate levels of difficulty to advanced and, finally, expert — more options emerge. A cat could be in one of two places, or is only referenced with regards to another cat it’s sitting next to or across from.

Higher-level challenge cards will also refer to qualities of the cat suspects themselves. Some wear bows or have bells on their collars, while others are referenced by eye color. Solvers need to keep increasingly greater amounts of information in their head in order to place all of the cats in their proper positions and solve the crime.

I repeatedly found myself discussing possibilities out loud as I solved. “Well, if Sassy is between two of these cats, it can only be Mr. Mittens and Ginger, and Ginger can’t be in front of a scratch mark, so…”

With only six possible crimes and six possible suspects, you’d think that repeated play would lead to player burnout or quickly exhausting the possible permutations, but that’s not the case here at all. As you ascend through the deck of challenge cards, the ThinkFun team throw new twists and cluing styles at you, keeping you on your toes. A lot of creativity and hard work went into the cluing here, and it shows.

[Image courtesy of Logic Puzzles.org.]

It’s not only an absolutely adorable way to bring logic puzzle solving to a new audience, it’s also a refreshing change of pace for solvers accustomed to traditional logic puzzles (complete with those tables where all of the possible permutations are listed, and you can simply cross off the incorrect ones as you go). Cat Crimes requires you to keep more of that information in mind as you determine where each cat goes.

With up to six feline suspects to place per crime and 40 different crimes to solve, Cat Crimes will keep your deductive skills sharp, even as the easier challenge cards introduce younger solvers and logic newbies alike to a different style of puzzle-solving. Cat Crimes is not just one of the cutest puzzle games I’ve played in a long time, it’s the perfect gateway puzzle to strip away some of the intimidation factor of logic problems.

[Cat Crimes is available from ThinkFun and other select retailers for $12.99!]


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PuzzleNation Review: Topple Magazine

One of the best things about being a puzzle constructor these days is the level of access solvers have to you and your puzzles. Many constructors create and maintain their own puzzle subscription services, funding them through tips, crowdfunding, subscription fees, or direct-to-solver sales. When puzzly skills and a knack for self-promotion meet, you have the opportunity for real success in building a reputation and an audience.

So when constructor Gregory Gray reached out to me regarding his puzzle e-magazine, Topple, I was all ears. Whether it’s print books, downloadable puzzle packets, or Kickstarter campaigns, I’m always happy to spread the word about puzzle projects that I think the PuzzleNation audience will enjoy.

Gregory sent me the latest edition of Topple (issue VII) to review, so let’s dive right in.

Issue 7 offers a variety of different puzzles to try out. Anagramming and word-forming challenges, trivia, a rebus, some deduction, find-the-path games, and more can be found across these 12 pages of puzzles (plus solution pages, obviously).

I was immediately impressed with all of the different solving styles on display. Shying away from classics like crosswords, word seeks, and fill-ins, Topple opts for puzzles that offer greater opportunities to incorporate art and interesting layouts.

From the anagram rings of ‘Gram Crackers to the alphabet blocks of Blockhead, a great deal of work has clearly gone into not only the puzzles, but the presentation of them, which makes for a very eye-catching solving experience.

The mix of art and puzzles also presents a more welcoming tone for new solvers, who might find a denser arrangement of puzzle grids to be more off-putting or daunting. Each puzzle is given plenty of space to establish itself, so even unfamiliar puzzle types seem more inviting.

But solvers who prefer a bit more challenge will also find something worth their time in this issue of Topple, as a two-page spread of Japanese-style deduction puzzles awaits you in the middle of the book. Whether you’re connecting the dots in Masyu and Hashi or deducing the placement of numbers in Kakuro or black square in Nurikabe, these were easily the most challenging puzzles in the entire magazine, a pleasant change of pace for a more experienced solver.

[Examples of Hashi and Nurikabe puzzles.
Images courtesy of Conceptis Puzzles.]

To be fair, the book isn’t perfect. Some of the blurbs explaining the rules of each puzzle are a bit clunky, which can lead to moments of solver confusion. For instance, it’s not immediately clear in Blockhead if you can anagram the letters in each given word, or if those letters stay in place while you add a letter from the options below.

But those hiccups are few and far between, and for the most part, I found solving issue 7 of Topple to be a very enjoyable solving experience. I breezed through some puzzles, while others put my puzzly skills to the test.

And with Topple, you get quite a bang for your buck. Literally: Each issue of Topple is only $1, and when you consider both the variety of puzzles and the production quality of the book, it’s a steal.

So if you’re looking to try something new without breaking the bank, Topple is an excellent place to start.

The complete Topple collection, along with a free downloadable sampler pack of puzzles, can be found here. You can also subscribe to Topple through Patreon, and be sure to keep up with all things Topple-related on their Facebook page.


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PuzzleNation Product Review: Zendo

[Note: I received a free copy of this game in exchange for a fair, unbiased review. Due diligence, full disclosure, and all that.]

Experienced puzzlers are familiar with deduction as a puzzle-solving method. They may know it from solving logic puzzles, determining who brought what to Thanksgiving dinner. They may know it from asking questions in Clue in order to eliminate possibilities and figure out who killed Mr. Boddy, where, and how. They may know it from brain teasers, riddles, puzzles, or card games.

But they’ve probably never tried their hand at a deduction puzzle game quite like Zendo.

In Zendo, the players pull pieces from a communal pile in order to build different structures, using pyramids, wedges, and blocks. One player, the moderator, chooses a secret rule for the players to uncover, and builds two structures. One of these structures follows the secret rule, and one does not, and both are marked as such.

Secret rules can be as simple as “must contain all three shapes” or “must contain exactly four pieces.” They can be as complex as “must contain more blue pieces than blocks” or “must contain at least one yellow piece pointing at a blue piece.” Some rules involve how pieces touch, or how they’re stacked, while others demand no touching or stacking whatsoever. The field is wide open at the start of the game.

Players then try to deduce the secret rule by building structures themselves, arranging pieces from the communal pile into various patterns and asking the moderator for more information.

[Can you tell what the rule is by looking at these two structures?]

They can do so in one of two ways. The first is by saying “Tell,” wherein the moderator marks the player’s structure with either a white token or black token, depending on whether the structure fits the secret rule.

The second is by saying “Quiz,” wherein every player guesses whether the given player’s structure fits the rule. Every player who guesses right gets a guessing token.

Guessing tokens, as you might suspect, are spent to guess the secret rule. But the moderator doesn’t answer with a simple yes or no. The moderator instead must build a new structure, which will either fit the secret rule (but not the player’s guess, and get marked with a white token) or fits the player’s guess (but not the secret rule, and gets marked with a black token).

This back-and-forth between players can be frustrating or informative, depending on how specifically you frame your guesses. It also tests the creative mettle of your moderator, which adds a curious wrinkle to the game. Not only are you competing with your fellow players to figure out the secret rule, but you have to deal with the often crafty skills of the moderator.

[Does this second sculpture give you any hints?]

It’s an ever-evolving puzzle that can change in an instant with a new bit of information. You might confirm you’re on the right track, or realize you’ve been looking at the structures incorrectly all along, and you’re back to square one (or, you know, pyramid one or wedge one).

But thankfully, Zendo is easily scalable for solvers of any age or solving skill level. You can keep the secret rule simple or make it complex, depending on who is playing. And if you’re the moderator, you have a free hand in determining how much information your structures reveal.

Like Fluxx and other games under the Looney Labs umbrella, Zendo has tons of replay value, and it’s a puzzle-game that ages well, since solvers with more experience are not only better players, but more devious moderators as well. This is some seriously puzzly fun.

Zendo is available from the crafty crew at Looney Labs, and it’s also featured in this year’s Holiday Puzzly Gift Guide!


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