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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Answers to our Thanksgiving Logic Puzzle!

It’s been a week since Thanksgiving, so it’s about time we gave you the answer to our Turkey Day logic puzzle!

In case you missed it, here’s the puzzle:

Connor, Emma, Russell, and Taylor are celebrating Thanksgiving together. To save money, each of them is bringing a different side dish (cranberry sauce, green beans, mashed potatoes, or yams). Each of them is also bringing a different dessert (apple pie, chocolate cream pie, pumpkin pie, or sugar cookies). With the help of the clues below, can you puzzle out who brought which side dish and which dessert?

1. Emma didn’t bring the green beans, but she did bring pumpkin pie.
2. Connor brought the cranberry sauce, but he didn’t bring chocolate cream pie or apple pie.
3. The person who brought the yams also brought the chocolate cream pie.
4. Taylor brought the green beans.


Okay, last chance to solve it before we give you the solution!

Here we go!


Now, this isn’t as difficult as some of the diabolical brain teasers we’ve tackled in the past, but for someone new to logic puzzles and deduction, a puzzle like this can be daunting.

The key to logic puzzles is to organize your information in a simple and efficient way, so that you maximize the amount of information you glean from each clue.

So let’s list out our four holiday guests and all of the possible food options.

Now, let’s proceed through the clues and fill in our chart.

1. Emma didn’t bring the green beans, but she did bring pumpkin pie.

Since we know nobody brought the same dessert as Emma, we can black out pumpkin pie for everyone else, as well as blacking out the other dessert options for Emma, since each person only brought one dessert.

2. Connor brought the cranberry sauce, but he didn’t bring chocolate cream pie or apple pie.

When you add Connor’s info to Emma’s, you not only get his side dish and his dessert, since he didn’t bring chocolate cream pie, apple pie, or Emma’s pumpkin pie.

3. The person who brought the yams also brought the chocolate cream pie.

At first, this clue doesn’t seem to tell us much, because we don’t know who brought the yams or the chocolate cream pie. But we do know that Emma didn’t bring the chocolate cream pie, so she didn’t bring the yams either.

And if she didn’t bring the yams, the green beans, or Connor’s cranberry sauce, by process of elimination, she brought the mashed potatoes.

4. Taylor brought the green beans.

This last clue ties it all together. If Taylor brought the green beans, then Russell had to bring the yams. And since the person who brought the yams brought the chocolate cream pie, we know that was Russell as well, and Taylor brought the apple pie by default.

And there you have it. All that info in four simple clues.

We hope you enjoyed our little Thanksgiving logic puzzler!


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A Puzzle For Thanksgiving!

Happy Thanksgiving, PuzzleNationers!

On a day dedicated to celebratingwith family and friends, giving thanks for all the good things in our lives, we here at PuzzleNation want to thank and celebrate our fellow puzzlers and PuzzleNationers, because you help make PuzzleNation one of the greatest puzzle communities in the world today.

And when it comes to saying thanks, a Thanksgiving puzzle seems like the perfect offering.

So we’ve cooked up a little Thanksgiving logic puzzle for you to enjoy!

Can you unravel this holiday puzzler?

Connor, Emma, Russell, and Taylor are celebrating Thanksgiving together. To save money, each of them is bringing a different side dish (cranberry sauce, green beans, mashed potatoes, or yams). Each of them is also bringing a different dessert (apple pie, chocolate cream pie, pumpkin pie, or sugar cookies). With the help of the clues below, can you puzzle out who brought which side dish and which dessert?

1. Emma didn’t bring the green beans, but she did bring pumpkin pie.
2. Connor brought the cranberry sauce, but he didn’t bring chocolate cream pie or apple pie.
3. The person who brought the yams also brought the chocolate cream pie.
4. Taylor brought the green beans.

Good luck, and Happy Thanksgiving!


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May the Fourth Be With You!

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Hello fellow puzzlers and PuzzleNationers! It’s Star Wars Day, and what better way to celebrate than with a puzzly Star Wars brain teaser!

A fellow Star Wars fan found this logic puzzle online and tasked us with solving it. Can you unravel the fiendish Imperial plot? Let’s find out!


Rebel Roundup

The Empire came up with a brilliant plan in order to trap various members of the Rebel Alliance: creating a fake Rebel summit. Each Imperial agent involved would invite a Rebel to the summit while posing as one of the Rebels being invited.

It would have worked perfectly, except for the fact that Admiral Ozzel posed as the person that he had invited. OOPS. Courtesy of Ozzel’s bumbling, the Rebels were warned ahead of time and armed themselves, hoping to turn the tables on the Empire.

Thanks to Han Solo’s timely warning, Luke had hidden his lightsaber and a vibroknife with R2-D2 and C-3PO respectively. These extra weapons allowed the seven Rebel agents of them to escape. It also helped that Admiral Ackbar arrived last in his ship, Home One.

Each Rebel arrived in a different spaceship, but two Rebels hitched a ride with fellow agents, so only five spaceships were involved.

Answer these questions:

  • Who traveled with Leia?
  • Who traveled with Luke?
  • What vehicle did each Rebel arrive in?
  • Which Imperial invited which Rebel?
  • Who did each Imperial pose as?
  • What weapon did each Rebel carry?

Here are your clues:

1. Leia, having been warned by Han, carried a concealable Holdout Blaster. She did not arrive in an X-Wing, nor did she fly the Millennium Falcon.

2. Han wouldn’t let anyone fly his baby. Han carried his Heavy Blaster Pistol, ready to shoot the Imperial who invited him while posing as him. This naturally made Han suspicious.

3. When Admiral Ackbar saw who invited him, he put his Force Pike to the Imperial’s throat. He was not invited by Darth Vader, who had posed as R2-D2.

4. C-3PO arrived on the Tantive IV, along with another passenger. This was not the ship Lando used.

5. The Lady Luck was flown by the man invited by Admiral Piett. Its pilot, who traveled alone, carried a Blaster Rifle with him. He gambled a bit, and almost crashed into Luke’s X-Wing. The Imperial who invited him posed as Admiral Ackbar.

6. Grand Moff Tarkin invited Admiral Ackbar. He did not pose as Luke Skywalker, nor did he pose as Leia.

7. General Veers invited R2-D2. Veers posed as R2-D2’s best friend. Captain Needa did not pose as Lando.

8. Leia was led to believe that Luke invited her to the summit. Emperor Palpatine invited Luke while posing as Leia. R2-D2 delivered his weapon to the Rebel so he could keep his father busy long enough for everyone to escape.

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Good luck, fellow puzzlers! Although the puzzle is a bit easier if you’re familiar with the Star Wars Universe, any solver should be able to crack this puzzle with the clues provided!

Let us know if you solved it in the comments below! And May the Fourth Be With You!


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PuzzleNation Product Review: Lunar Landing

all-lunar-6802-hiresspill

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

ThinkFun has emerged as the premiere vendor of logic puzzles for solvers of all ages. Whether they’re challenging you with marbles, lasers, or electronic circuits, their complete-the-path games offer lots of puzzly fun.

Their latest offering, Lunar Landing, seems at first to fall into the same pattern, but as you learn the rules and begin tackling the challenge cards included, you quickly realize there’s more than meets the eye at play.

moon_landing_1920x1200_wallpaper

In Lunar Landing, your goal is to pilot the red shuttle to an emergency entry port in the center of the landing grid. Sounds easy enough, right? But the twist is how you get there.

Scattered across the landing field are helper bots which help your shuttle move around the landing field. The shuttle can only move toward one of the helper bots in the same row or column. The shuttle must move from helper bot to helper bot until it reaches the emergency entry port.

Because Lunar Landing is set in space, the shuttle can’t just stop wherever it chooses. Once the shuttle is set on a path toward a helper bot, it continues along that path until it reaches that bot. This means you can pass right over the emergency entry port unless there’s a helper bot in the correct position to stop the shuttle on that red square.

solvell

This movement mechanism is the engine behind each of the 40 challenge cards in the deck. Progressing in increasing difficulty from beginner to intermediate to advanced to expert, the challenge cards provide you with the starting layouts for each landing grid. You place the shuttle and helper bots as instructed, and then try to puzzle out how to complete the task at hand.

The early scenarios are all about moving the shuttle from place to place. In later challenges, you’ll have to move the helper bots as well, positioning them to form a path that’ll bounce your shuttle to the center of the grid.

The helper bots move in the same way as the shuttle — toward another helper bot along a row or column — and as the scenarios evolve, you’ll rely on moving the helper bots more and more.

It’s a bit like a sliding-tile puzzle, since you can only move the shuttle along certain paths, as determined by the locations of the helper bots. Many of the challenge cards can only be conquered by setting up a chain reaction, which gives Lunar Landing the feeling of a one-person chess game: You’re trying to see several moves ahead, looking for the perfect sequence of moves that will let you achieve victory.

Taking a simple scientific concept — objects in motion tend to stay in motion — and building a logic game around it is very clever, and it makes for a solving experience that feels new and challenging. Since each piece can potentially move, depending on the challenge card layout, there are more variables at play here than in previous ThinkFun logic puzzles.

helperbot

The helper bots are modeled on classic robot designs from the 1940s and 1950s, and that adds to the game’s charm, as if the vivid Technicolor visions that predated the Space Race have finally been realized.

The landing grid doubles as storage for the challenge cards and game pieces, making for an easily transported puzzle game that can be enjoyed anywhere at the drop of a hat.

Lunar Landing continues the fine tradition of ThinkFun puzzle games, keeping even experienced puzzlers on their toes with inventive gameplay and outside-the-box thinking. What a treat.

Lunar Landing is available from ThinkFun through Amazon and other online retailers. Click here to check out other ThinkFun product reviews!


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Cracking Einstein’s Riddle!

Fellow puzzlers and PuzzleNationers, it’s time to put on our thinking caps and crack another puzzly mystery!

I’ve seen this riddle making the rounds online lately, and like many logic problems, puzzles, and brain teasers that go viral, it claims that 98% of the world couldn’t solve it!

Well, I don’t buy that. (I also don’t buy that Einstein created it or had anything to do with it, but since it circulates under the name “Einstein’s Riddle,” I’m also calling it such.)

[Image courtesy of Mental Floss.]

Einstein’s Riddle

  • There are five houses that are each a different color.
  • There is a person of a different nationality in each house.
  • The five owners drink a certain drink. They each smoke a certain brand of cigar and also have a certain pet. No owner has the same pet, smokes the same brand of cigars, nor drinks the same drink.

CLUES

1. The British man lives in the red house.
2. The Swedish man has a dog for a pet.
3. The Danish man drinks tea.
4. The green house is on the left of the white house.
5. The owner of the green house drinks coffee.
6. The person that smokes Pall Mall raises birds.
7. The owner of the yellow house smokes Dunhill.
8. The person that lives in the center house drinks milk.
9. The Norwegian lives in the first house.
10. The person that smokes Blend lives next to the one that has a cat.
11. The person that has a horse lives next to the one that smokes Dunhill.
12. The one that smokes Bluemaster drinks beer.
13. The German smokes Prince.
14. The Norwegian lives next to a blue house.
15. The man that smokes Blend has a neighbor that drinks water.

The question is “who owns the fish?”


Now, the first step is going through the clues and getting all five options for every variable. This will help us with the second step: building a grid to help us organize information.

  • Colors: Blue, Green, Red, White, Yellow
  • Nationalities: British, Danish, German, Norwegian, Swedish
  • Beverages: Beer, Coffee, Milk, Tea, Water
  • Cigars: Blend, Bluemaster, Dunhill, Pall Mall, Prince
  • Pets: Birds, Cat, Dog, Fish Horse

Okay, let’s build our grid. Now, we could list every intersection of information, like a full logic problem grid, but I don’t think that’s necessary here. We can simplify.

So where do we start? Well, since several clues refer to a first house, a center house, or neighboring houses, let’s assume that we’re talking about five houses in a row, and use that as our top line. Then we can list all of the other categories we need to determine along the left side.

Now let’s fill in what we know from the clues. We know the Norwegian lives in the first house (clue #9), the man living in the center house drinks milk (clue #8), and the Norwegian lives next to the blue house (clue #14).

This might not seem like much, but we can already determine what color the Norwegian’s house is. The British man lives in the red house (clue #1), so the Norwegian’s house isn’t red. The green house is on the left of the white house (clue #4), so the Norwegian’s house is neither green nor white, since there’s no house to the left of the Norwegian’s house, and the house to the right is blue. Therefore, the Norwegian’s house is yellow, the only color left.

And that tells us something else. The owner of the yellow house smokes Dunhill (clue #7), so we know what the Norwegian smokes. Plus, the man who keeps the horse lives next to the man who smokes Dunhill (clue #11), so we know the pet for the blue house.

We can now determine the color for every house. The green house is to the left of the white house (clue #4), and the owner of the green house drinks coffee (clue #5). But since we already know the owner of the center house drinks milk, that means the green house has to be the fourth, and the white house the fifth. Therefore, the center house is red.

But that’s not all we know now! The British man lives in the red house (clue #1), so we can place him as well.

Hmmm, where do we go from here? Well, let’s take a look at the beverages. We know the Norwegian doesn’t drink coffee or milk, but we also know that the Danish man drinks tea (clue #3), so the Norwegian doesn’t. We also know that the one that smokes Bluemaster drinks beer (clue #12), and the Norwegian smokes Dunhill, so that eliminates beer. Therefore, the Norwegian drinks water.

Since the man that smokes Blend has a neighbor that drinks water (clue #15), we can place Blend in the second house. (Clue #10 tells us that the person that smokes Blend lives next to the one that has a cat, but right now, we can’t be sure if that’s the first house or the center house, so let’s table that clue for now.)

But remember clue #12, the one that smokes Bluemaster drinks beer? Well, we know all the drinks except the second house and the fifth house, and the owner of second house smokes Blend, so the owner of the fifth house must both smoke Bluemaster and drink beer.

That leaves tea as the only possible beverage for the second house, and the Danish man drinks tea (clue #3), so we can place him as well.

Now we’re cooking! The German smokes Prince (clue #13), and since we know the nationality of the third house’s owner and what the fifth house’s owner smokes, the only option remaining is the fourth house. By process of elimination, that also places the Swedish man in the fifth house and Pall Mall in the center house.

And we’re left with only the pets to place. Appropriate, given that the question that got us started is “who owns the fish?”

According to clue #2, the Swedish man has a dog for a pet, and the person that smokes Pall Mall raises birds, so that takes care of the center and fifth houses, leaving only the first house and the fourth.

Clue #10, the one we put aside earlier, now comes into play. The person that smokes Blend lives next to the one that has a cat, and since the neighbor on one side (the center house) raises birds, that leaves only the first house open to have a cat.

Therefore, the German man — who smokes Prince, drinks coffee, and lives in the green house — also owns a fish.

98% of people can’t solve it? Apparently, I have greater faith in solvers than “Einstein” did.


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