The 2025 GCHQ Christmas Challenge Launches Tomorrow!

One government agency in England celebrates Christmas a little bit differently than most.

The GCHQ — or Government Communications Headquarters — provides security and intelligence services for the British government. Back when they were known as GC&CS — Government Code and Cypher School — they were responsible for funding Bletchley Park and its successes cracking the German “Enigma” code during World War II.

And now, they provide one of the coolest and puzzliest challenges of the year, designed for solvers aged eleven to eighteen to test their skills, hoping to inspire the next generation of puzzle solvers.

Yes, it’s time once again for the GCHQ Christmas card.

GCHQ card
A look at 2021’s GCHQ Christmas Card.

We provided detailed breakdowns of their Christmas cards in 2016 and 2021, and if you’d like a sample of the GCHQ Christmas Challenge, they have an archive of puzzles from three previous years ready for you to solve!

The 2025 edition of the GCHQ Christmas Challenge launches tomorrow, Wednesday December 10th for the general public. (Schools were able to register for early access to the puzzles, complete with lesson-planning materials, which is very cool.)

Here’s what the GCHQ has to say about the event:

At GCHQ, we love creating puzzles and breaking codes. That’s why every year we create the GCHQ Christmas Challenge, a series of fiendish brainteasers and puzzles, designed by our very own team of codebreakers. It encourages children aged 11-18 to think laterally and work as a team, as well as showcasing some of the skills they might need to become a spy.

The puzzles are not designed to be solved alone, and each student will bring something different to the challenge. At GCHQ, we believe the right mix of minds enables us to solve seemingly impossible problems.

I’ve always been impressed with what festive puzzly efforts GCHQ brings each year, and I can’t wait to see what the 2025 edition has in store for solvers.

So, fellow puzzlers, do you accept this year’s Christmas Challenge? Let us know in the comments section below!

Ornamental Puzzling!

Let’s do one last festive post before the new year begins!

Last week, a reddit user posted a picture of this Christmas ornament, and asked if the grid could actually be filled.

I happily accepted that challenge.

Now, there are a few caveats here. Obviously this is not a traditional crossword grid. It has no symmetry (either radial or axial), and it is littered with one- and two-letter entries, which are not allowed. There is also the small matter of the bottom left corner being completely disconnected from the rest of the grid.

Here is the empty grid with MERRY and CHRISTMAS preset (without the pencil blocking several squares):

Now, to stick to the reddit request, I left the grid mostly as is.

However, I could not in good conscience have part of the grid disconnected from the rest, so I removed a single black square in order to connect the grid fully.

There we go.

Oh. And one additional challenge: I only allotted myself ten minutes to fill the grid.

As usual in crossword construction, I tried to avoid abbreviations and variant spellings as much as possible (even with the two-letter entries), and keep the vocabulary as accessible as possible.

The only real challenge in this grid was finding a seven-letter word starting with R that aligned nicely with CHRISTMAS as the neighboring word.

In keeping with the holiday theme, I chose RAISINS, as the California Raisins and their long-lost classic Christmas special came to mind.

From that point, it was a pretty quick job filling in the rest of the grid.

There are more plurals than I’d prefer, and DYNAST is by far the most difficult entry in terms of vocabulary, but otherwise, I’m pleased with my nine minutes and thirteen seconds’ worth of work.

What do you think?

I might come back to this one and see if I could clean it up more. Eliminate all the plurals, or maybe put themed words for all the border words along the edge. Something to really challenge me.

But for now, I think this will do.

Please check out the reddit post to see other puzzlers’ attempts at filling this ornament’s unusual layout. Or maybe even accept the challenge yourself! If you do, I’d love to see your fill.

Happy puzzling, everyone! And Happy New Year!

Hosting A Holiday Puzzle Hunt?

If you’re looking to spruce up Christmas morning with a puzzly challenge, or maybe prevent the kids from tearing through that wrapping paper in record time, you could create a mini holiday puzzle hunt for them to extend the holiday fun a little longer.

There are several ways to do this. You could have Santa leave them a treasure map to follow. You could create a scavenger hunt with different places to check. Or you could create a puzzle hunt where each clue or puzzle leads to the next and has to be solved in order.

But how do you flesh it out and keep it seasonal? We’ve got a host of suggestions awaiting you. Sprinkle a few of these across the house on Christmas morning and you’ll be sure to delight the puzzly denizens of your home after Santa has come and gone.


Maybe they have to look for gifts wrapped in a particular type of wrapping paper. Perhaps there are clues written on them or hidden inside, or maybe the wrapping paper itself sends them on to their next clue.

If it’s more of a scavenger hunt-style of game, the wrapping paper approach is perfect. They could be stashed around the house, waiting to be found, and there’s no threat of them being mixed up with the actual gifts.

Perhaps there are puzzle pieces at the bottom of their stockings, and they have to work together to assemble them and figure out where to go next. (Craft stores have plain white mini jigsaw puzzles, you could write out or draw out clues, mix up the pieces, and distribute them in several spots with ease.)

Did Santa leave a clue when he sampled the milk and cookies left out of him? Maybe a gingerbread man points the kids in a certain direction, or Santa urges the children to have breakfast before the festivities start (pushing them toward another clue in the kitchen AND toward a healthy Christmas breakfast in the morning).

Your Christmas tree is also perfect for concealing clues and puzzly elements. With lights and ornaments galore, it’s the ideal spot to hide things, whether it’s letters that spell things out, or numbered clues to be solved in order. You could even hang different numbers of various objects (6 candy canes, 3 silver stars, 4 photo ornaments) that are used as a code later to unlock something.

Does the Elf on a Shelf have a clue? Did it see something, or can it point them in the right direction? Is there a paper chain of snowflakes where the different branches of the snowflake are highlighted like clock hands?

Once you start looking at the trappings of the holiday in a puzzly way, you’ll find more and more methods for stashing hints and elements of your puzzle hunt anywhere and everywhere.

Hopefully these suggestions got you off to a good start! Have you hosted a holiday puzzle hunt or celebrated the holidays in a puzzly way, fellow PuzzleNationers? Let us know in the comments section below! We’d love to hear from you.


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It Was His Sister, In the Living Room, With the…

We’re one week into 2021, but if you’ll indulge me for a moment, I’d like to share one last bit of puzzle fun from 2020.

Every household has their holiday traditions. Maybe it’s who you see on Christmas Eve or who puts the star on the tree, who lights the first candle on the menorah or who says grace at the dinner table.

It’s no different when it comes to puzzly holiday traditions. One friend challenges his kids to a puzzle hunt Christmas morning before they open their gifts. Another couple I know gives each other games for Christmas, and then invites certain friends over that evening for a holiday game night. (Naturally, this year, they did so over Zoom.)

I recently stumbled across another puzzle/game-fueled holiday tradition and I wanted to share the story with my fellow PuzzleNationers.

One Christmas, six years ago, a young man received a candlestick from his sister as one of his gifts. It was in a black box with a purple ribbon. He was very confused. He didn’t understand this gift at all.

The next year, he received another strange gift: a spool of rope.

And so it went each year. Another Christmas, another strange gift.

He soon cottoned on to the pattern, though, and began to look forward to each year’s new offering.

This year, she completed the set for him:

Yes, every Christmas, his sister got him one of the weapons from Clue, a favorite movie from their childhood, inspired by the classic board game Clue/Cluedo. Pictured above are the gifts in order, from the candlestick first to the revolver last.

One can’t help but wonder what their parents thought when the pipe, the knife, or the revolver arrived. But hey, maybe they’re Clue enthusiasts as well.

A lot of people plan ahead for Christmas. But planning ahead for six years? Now that’s puzzly commitment.


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Answers to Our Holiday Trivia Countdown

holiday trivia

Yesterday, we posted twenty-four questions about various holiday-related topics like carols, reindeer, food, and Yuletide historical moments, creating our own little advent calendar countdown to Christmas.

So naturally, the right thing to do is offer the answers to you on Christmas Day! You can call it the gift of knowledge, or the gift of satisfaction when you get the questions right, or the gift of a quick and easy read on a Friday. Whatever you like.

Without further ado, and with our halls properly decked, we present the answers to our holiday trivia questions. Enjoy!


muppet christmas carol

1. How many ghosts are there in A Christmas Carol?

Answer: Four.

2. Red and green are the two colors most associated with Christmas. Which are the two other colors, also named in a Burl Ives song, that are also extremely popular in this season?

Answer: Silver and gold.

3. In the UK, which Christmas food is it considered good luck to eat one of on each of the 12 days of Christmas?

Answer: Mince pies.

4. In the song “You’re a Mean One, Mr. Grinch,” the Grinch is called all kinds of names, but one particular trio of insults, one right after the other, differs by only a single letter. What are those three words?

Answer: Stink, stank, stunk.

5. Which two of the reindeer are named after weather phenomenon?

Answer: Donner and Blitzen, which are “thunder” and “lightning” in German.

6. What year was Christmas declared a federal holiday in the United States?

Answer: 1870.

mlaw-121205

7. Which country has a tradition of a witch dropping gifts for children through the chimney at Christmas?

Answer: Italy.

8. Which was the last state in the United States to declare Christmas a legal holiday?

Answer: Oklahoma.

9. How many reindeer were in the story “Twas the Night Before Christmas?”

Answer: Eight.

10. The film Miracle on 34th Street depicted events at what famous department store?

Answer: Macy’s.

11. What dish was served by Mrs. Cratchit in A Christmas Carol? (Hint: it is also mentioned in the song “We Wish You a Merry Christmas.”)

Answer: Figgy pudding

12. Which of Santa’s reindeer is named after another animal?

Answer: Vixen.

Christmas theme, sales, Happy  Santa Claus in a snowy forest, Santa on the background of a winter forest, Russian Santa Claus (Grandfather Frost), Santa Claus are near his reindeers in harness.

13. The red and white costume of Santa was allegedly first introduced by which beverage manufacturer?

Answer: Coca-Cola.

14. Which President, a famous conservationist, objected to a Christmas tree in the White House?

Answer: President Theodore Roosevelt. He felt it was wrong to cut down trees for decoration.

15. Which spirit is traditionally added to butter and served with Christmas pudding?

Answer: Brandy.

16. In Spain, it’s considered good luck to eat one of these foods for each chime of the clock for the new year. What food is it?

Answer: Grapes.

17. In the American version of The Office, salesman Dwight portrayed Belsnickel instead of Santa for one of the company’s holiday parties. Instead of naughty or nice, what two adjectives did Belsnickel choose between when gauging the behavior of everyone?

Answer: Impish or admirable.

18. Who was the first President to have a tree in the White House?

Answer: President Benjamin Harrison in 1889.

the grinch

19. True story. I had a dog named Chestnut who stared at the stereo speaker in confusion every time a certain holiday ditty played. What was its title?

Answer: The Christmas Song.

20. What is the most popular meal for Christmas in Japan?

Answer: KFC fried chicken.

21. The name of what Christmas song was originally called “Tinkle Bells” until the writer’s wife pointed out that tinkle also means pee?

Answer: Silver Bells.

22. In what Central American country might you find yourself kicking off the holiday season by burning the devil on December 7th while sweeping your house?

Answer: Guatemala.

23. Which ocean is Christmas Island located in?

Answer: Indian Ocean.

24. What is the name of the Grinch’s dog?

Answer: Max.


How did you do? And do you have any favorite tidbits of holiday trivia? Please let us know in the comments section below! We’d love to hear from you.

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!

Counting Down the Hours With Some Holiday Trivia!

As you well know, fellow puzzlers and PuzzleNationers, normally we post a puzzle to celebrate a given holiday.

But we just did that for Thanksgiving.

So, instead, how about we switch things up a bit and offer you an advent calendar’s worth of holiday trivia to celebrate the festive season?

That’s right, twenty-four questions on holiday pop culture from around the world. How does that sound?

Feel free to cherry-pick from these questions for your own Yuletide trivia. We’ve tried to keep it relatively easy and accessible, though a few tougher historical questions might’ve snuck in alongside the song trivia, the reindeer trivia, and the food trivia.

Enjoy!


muppet christmas carol

1. How many ghosts are there in A Christmas Carol?

2. Red and green are the two colors most associated with Christmas. Which are the two other colors, also named in a Burl Ives song, that are also extremely popular in this season?

3. In the UK, which Christmas food is it considered good luck to eat one of on each of the 12 days of Christmas?

4. In the song “You’re a Mean One, Mr. Grinch,” the Grinch is called all kinds of names, but one particular trio of insults, one right after the other, differs by only a single letter. What are those three words?

5. Which two of the reindeer are named after weather phenomenon?

6. What year was Christmas declared a federal holiday in the United States?

Christmas theme, sales, Happy  Santa Claus in a snowy forest, Santa on the background of a winter forest, Russian Santa Claus (Grandfather Frost), Santa Claus are near his reindeers in harness.

7. Which country has a tradition of a witch dropping gifts for children through the chimney at Christmas?

8. Which was the last state in the United States to declare Christmas a legal holiday?

9. How many reindeer were in the story “Twas the Night Before Christmas?”

10. The film Miracle on 34th Street depicted events at what famous department store?

11. What dish was served by Mrs. Cratchit in A Christmas Carol? (Hint: it is also mentioned in the song “We Wish You a Merry Christmas.”)

12. Which of Santa’s reindeer is named after another animal?

mlaw-121205

13. The red and white costume of Santa was allegedly first introduced by which beverage manufacturer?

14. Which President, a famous conservationist, objected to a Christmas tree in the White House?

15. Which spirit is traditionally added to butter and served with Christmas pudding?

16. In Spain, it’s considered good luck to eat one of these foods for each chime of the clock for the new year. What food is it?

17. In the American version of The Office, salesman Dwight portrayed Belsnickel instead of Santa for one of the company’s holiday parties. Instead of naughty or nice, what two adjectives did Belsnickel choose between when gauging the behavior of everyone?

18. Who was the first President to have a tree in the White House?

the grinch

19. True story. I had a dog named Chestnut who stared at the stereo speaker in confusion every time a certain holiday ditty played. What was its title?

20. What is the most popular meal for Christmas in Japan?

21. The name of what Christmas song was originally called “Tinkle Bells” until the writer’s wife pointed out that tinkle also means pee?

22. In what Central American country might you find yourself kicking off the holiday season by burning the devil on December 7th while sweeping your house?

23. Which ocean is Christmas Island located in?

24. What is the name of the Grinch’s dog?


Do you have any favorite nuggets of holiday trivia? Please share it with us in the comment section below! We’d love to hear from you.

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!