# A Clued Sudoku Puzzle? It’s More Than Meets the Eye

The hunt is always on for the next big puzzle idea.

Sometimes, it’s an old idea that gets repackaged and catches fire. That’s what happened with Sudoku, a puzzle that had been around since the late ’70s, but only rose to prominence decades later.

Other times, it’s a combination of different puzzle types that yields something special. Our friends at Penny Dell Puzzles, for instance, have a popular puzzle called Anagram Magic Square, which combines crossword-style cluing, anagrams, and the mathematical element of a magic square to create an engaging puzzle experience you can solve from several angles.

Whether a puzzle is destined for superstardom or not depends on a lot of factors: difficulty, the type of solving it involves, how intuitive the solving is (i.e. needing a lengthy explanation vs. getting the gist of the puzzle from a glance), visual aesthetics, and more.

As a puzzler, it’s always exciting to try out a new puzzle. Wholly original ideas are rare, to be sure, but even a single twist on an old classic can be enjoyable if executed well.

Today, we’re taking a look at a puzzle that combines Sudoku with cryptic crosswords (aka British-style crosswords). It’s called Cluedoku, and it was created by cryptic constructor Charlie Methven, better known in solving circles as Chameleon, a contributor to British puzzle outlets like The Guardian.

[Just a sample of the puzzle. Check out the entire puzzle here.]

Like Sudoku, Cluedoku involves placing the digits 1 through 9 into each row, column, and 3×3 square in the grid. But unlike Sudoku, there are no set letters.

Instead, you have 81 clues, one for every cell in the grid, utilizing cryptic-style cluing to hint toward which of the nine numbers goes in a given cell.

Once you’ve unraveled a clue and placed a number in the grid, standard Sudoku rules apply: that number will only appear once in a row, column, or 3×3 square.

But that’s easier said than done. These clues run the gamut of slyly clever to almost baffling. Even when you consider that there are only nine possible answers for each clue, it’s still a challenge. (Plus, not all of the clues adhere to the standard cryptic cluing mechanic of having both a definition AND a wordplay clue included.)

That being said, you’ll find lots of traditional cryptic cluing tricks at play here.

Now, we’re going to be discussing specific clues and answers from this puzzle, so this is your spoiler warning.

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Last chance to solve without spoilers!

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Okay, here we go.

In terms of traditional cryptic cluing gimmickry, we see hidden words, anagrams, homophones, word reversals, and more.

In clue 6 — Axis revolves without beginning to accelerate — we revolve (aka reverse) axis to spell SIXA, and then drop the A (“without beginning to accelerate”) to spell SIX.

In clue 8 — Prime cut from sloth reeks — the answer hides in plain sight, as a prime number (three) reads out in sloTH REEks (and can be cut out of it).

In clue 22 — Scenes in X-Men Origins reveal how many claws Wolverine has! — the phrase “origins reveal” points towards the first letters of the words that precede it proving the answer, meaning that SIX is the number of claws Wolverine has (three on each hand).

There is a similar game in clue 67 — With only seconds remaining, Officer Columbo outwits crook — which has the second digits of “Officer Columbo outwits crook” spelling out FOUR.

In clue 27 — UFO demolished third of Parliament Square — the letter R (“third of Parliament”) gets mixed up with UFO to make FOUR, a square.

But other clues would be familiar to crossword solvers in America.

Clue 29 — Number of Romans in the New Testament? — is simple wordplay for 6, since Romans is the SIXth book. (Similarly, clue 62 — Number of lines taken by bar staff — is a reference to the FIVE lines that make up a staff in sheet music.)

Clue 34 — Top score in Scrabble — is a bit more devious, requiring you to know that T is worth 1 point, O is worth 1 point, and P is worth 3 points, making the correct answer FIVE.

Clue 48 — Man’s arms’ legs’ digit — feels like a clue you’d see at the Indie 500 or Lollapuzzoola, because it’s initially baffling, but then reveals itself as merely clever and challenging. You see, there are THREE legs on the coat of arms for the Isle of Man. But that’s concealed by the wordplay involving three different words that don’t mean what you’d think.

This mix of American and British-style clues made for a fun solve that mixed and mingled two worlds of cluing nicely.

I think my favorite clue was Clue 39 — 192+284 — because it was built like one of those magazine word puzzles, the ones where “rockcaughthardplace” means “caught between a rock and a hard place.” In this case, you have “2+2” literally in 1984. And for anyone familiar with George Orwell’s famous novel, 2+2 in 1984 equalled FIVE.

Although obviously Cluedoku isn’t really sustainable as a recurring puzzle — you’d burn out your anagrams and homophones pretty quickly, as Chameleon himself stated in an interview — it is an impressive marriage of two different puzzles that rarely interact otherwise.

But he did raise the possibility of another variation in the future:

If I did another Chameleon cluedoku, I think I’d use the seven colours of the rainbow plus black and white, as solvers could then colour in each square as they solved. How’s “Cry over Norwich’s core Canary”?

That sounds like a fun follow-up to an interesting puzzle.

What did you think of Cluedoku, fellow puzzlers and PuzzleNationers? Let us know in the comments below! We’d love to hear from you.

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# How to Get Started in Cryptic Crosswords

[Image courtesy of Amazon. The Times Cryptic Crossword Book.]

On Twitter yesterday, Oliver Roeder from FiveThirtyEight asked, “If one wanted to learn/practice solving cryptic crosswords, with what puzzles should one begin?”

Most of the replies mentioned different cryptic crossword outlets to try out, like The Nation, Harper’s Magazine, and The UK Times Quick Cryptic Crossword Book. The Nation in particular was recommended as a good starter cryptic.

Monthly offerings from constructors like Andrew Ries and Cox & Rathvon were also mentioned, though I would add Patrick Berry’s Son of the Crypt cryptic collection to the list of suggestions. (I would normally also recommend The Guardian because of their great cryptics, but they’re pretty tough, particularly for beginners.)

This, of course, presumes that Roeder meant which cryptic puzzles one should start with.

[Image courtesy of The New European.]

It occurred to me that he might be asking what OTHER puzzles are good for beefing up your cryptic crossword solving game.

Given the different kinds of clues used in cryptic crosswords, I have a few suggestions.

1. Anagram puzzle

Anagrams are a staple of cryptic cluing, and any puzzler looking to get into cryptics should have some facility with them. There are plenty of ways to practice — the Jumble, Anagram Magic Square and other puzzles from our friends at Penny Dell Puzzles, and even Bananagrams, Words with Friends, or Scrabble will help build your anagram skills.

2. Rebus

Rebus puzzles are all about adding and subtracting letters to form words or phrases, and there’s plenty of that in cryptic cluing. This is a good way to get used to breaking down longer words into abbreviations, anagrams, and so on in order to puzzle out the answer to a cryptic clue.

3. Brain teaser/riddle

Many cryptic clues rely on words with multiple meanings, as well as words that serve as both instructions and hints. Brain teasers and riddles employ similar wordplay, and they can help you develop a proclivity for looking at words from a new point of view.

[Image courtesy of Eastern Daily Press.]

Of course, if you want help learning to decipher the many variations on cryptic crossword cluing that you’ll encounter, there are some great resources out there.

Penny Dell Puzzles has a PDF containing examples of the most common cluing tricks, and you can bolster that with similar insights from Wikipedia and The Nation.

If you’re looking for deeper dives into all sorts of cryptic cluing, my one-stop shop for insight is The Guardian’s crossword blog. They offer regular features breaking down various kinds of cryptic clues.

In the last few weeks alone, they’ve covered cycling clues, “stuttering” in clues, and how the points of the compass can be used in cluing, and there are dozens of similarly illuminating posts in their archive.

It’s a terrific resource for newbie cryptic solvers and established puzzlers alike.

And it’s worth getting into cryptic crosswords, if only for the occasional subversive little Easter egg like this one from yesterday’s The Guardian cryptic:

Did I miss any resources or outlets for great cryptic crosswords? Let me know in the comments section below! I’d love to hear from you!

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# Getting Started with Crosswords

We spend a lot of time talking about crosswords here on PuzzleNation Blog, and rightfully so.

For more than a century now, crosswords have been the standard-bearer for paper-and-pencil puzzles. From your local paper to The New York Times crossword, from online solving to puzzle apps like our very own Penny Dell Crosswords App, crosswords sit comfortably at the apex of the proverbial puzzle mountain, atop worthy also-rans like word searches, cryptograms, and Sudoku.

[Apparently Puzzle Mountain is actually a place. Who knew?]

But in talking about crosswords, it’s easy to forget that not everyone solves them. In fact, plenty of people find them intimidating, given the mix of trivia, wordplay, and tricky cluing that typify many crosswords these days, particularly in outlets like The New York Times, The LA Times, The Guardian, and more.

So today, I thought I’d offer some helpful resources to solvers just getting started with crosswords.

First off, if you need help filling in troublesome letter patterns, Onelook is an excellent resource. Not only can you search for words that fit various patterns, but you can narrow your searches according to cluing, look up definitions and synonyms, and even hunt down phrases and partial phrases.

Along the same lines, there are websites like Crossword Tracker that offer informal cluing help culled from online databases. For something more formal, there’s XWordInfo, an online database of entries and cluing that also serves as an archive of NYT puzzles you can search for a small fee.

The NYT Wordplay Blog chronicles each day’s puzzle, including insights into the theme, key entries, and more, plus they’ve begun amassing helpful articles about crossword solving. Not only are there sample puzzles to download and solve to get you started, but there are lists of opera terms, rivers, and sports names to know to make you a stronger solver.

And if British-style or cryptic crosswords are your puzzle of choice, look no further than The Guardian‘s Crossword Blog, which frequently posts about various cluing tricks employed by crafting cryptic puzzle setters. Their “Cryptic Crosswords for Beginners” series of posts has discussed all sorts of linguistic trickery, covering everything from the NATO alphabet to elementary chemistry.

For other variety puzzles, our friends at Penny Dell Puzzles offer sample puzzles and helpful solving tips for many of the puzzles in their magazines. For example, you can find a sample Kakuro or Cross Sums puzzle on the page for their Dell Collector’s Series Cross Sums puzzle book, as well as a How to Solve PDF.

Is there a particular puzzle that troubles you, or one you find too intimidating to tackle, fellow puzzlers? If so, let us know! We can either point you toward a solving resource or tackle the puzzle ourselves in a future post to provide helpful solving tips!

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# What Makes a Thing a Thing in Crosswords?

A few months ago, there was a debate amongst the solvers and readers of The Guardian’s Crossword Blog concerning which words are fair entry fodder for crosswords.

It started with this comment on a post about cluing the entry WHITE KNIGHT:

I wonder if all the clues that are giving some sort of synonym for a chess piece are quite playing fair (including my own). Obviously, it’s a chess piece, but it wouldn’t be in a crossword because it’s a chess piece. If I solved a puzzle and found BLACK PAWN to be one of the solutions I’d feel a bit miffed.

I asked Penny Press Editorial Director Warren Rivers about this very subject, and he mentioned that WHITE KNIGHT would cause him no issue — it reminded him of this Ajax commercial — but an entry like WHITE ROOK would be a problem, because it’s not a standalone concept (as far as he is aware).

It’s an intriguing discussion, all centering around arbitrariness. Should the determining factor of “crossword worthiness” be whether the entry can be found in a dictionary or another reputable source, like Brewer’s Dictionary of Phrase and Fable? Does a textbook definition make a thing a thing?

Not necessarily, as slang, phrases, partial phrases, and anecdotal entries make it into puzzles all the time.

In the Lollapuzzoola puzzles we looked at recently, entries like ONE-NIL, NASCAR DAD, SIREE (as in “no siree”), NO REST (as in “for the wicked”), and TELL ME THIS all appeared as answers in grids. Would you accept all of these as fair entries? Most of these wouldn’t pass muster in Penny Press puzzles.

The partial phrase, of course, opens up an entirely different can of worms. For instance, would you be upset to see “At a ____” cluing LOSS? Probably not. But what about “At ____” cluing ALOSS? Maybe so, maybe not.

Where do you stand on this issue, fellow puzzlers? Is there a particular cluing or entry style that bugs you? Do you have an example of something that made it into a puzzle recently that doesn’t hold up to scrutiny?

Or does nothing come to mind? If so, does that mean the issue doesn’t bother you at all as a solver?

Either way, let us know in the comments below!

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# Crossword History: Dawe and D-Day

[Image courtesy of Wikipedia.]

June 6, 1944 is a date that will continue to resonate for decades to come, and perhaps centuries. On that day, D-Day, the largest amphibious military attack in history was launched as the Allied forces landed at Normandy. This was one of the major offensives that helped bring about the end of World War II.

But a few days before that, a curious confluence of events brought crosswords to the attention to British agents, namely those of MI5.

Yes, tomorrow, June 2, 1944, marks the anniversary of the day a physics teacher and crossword constructor named Leonard Dawe was questioned by authorities after several words coinciding with D-Day invasion plans appeared in London’s Daily Telegraph newspaper.

More specifically, the words Omaha (codename for one of Normandy’s beaches), Utah (another Normandy beach codename), Overlord (the name for the plan to land at Normandy on June 6th), mulberry (nickname for a portable harbor built for D-Day), and Neptune (name for the naval portion of the invasion) all appeared in Daily Telegraph crosswords during the month preceding the D-Day landing.

So, the authorities had to investigate the highly improbable, yet still possible, scenario that Dawe was purposely trying to inform the enemy of Allied plans, and scooped up the constructor to investigate.

In the end, no definitive link could be found, and consensus is that Dawe either overheard these words (possibly mentioned by the loose lips of soldiers stationed nearby) and slipped them into his grids unwittingly, or this is simply an incredible coincidence.

Some crossword fans suspect that there’s more to the story, though.

According to The Guardian newspaper:

During the celebrations of the 40th anniversary of D-day, one of Dawe’s former pupils approached the Telegraph and insisted that as a lad, he had overheard US and Canadian soldiers discussing the plans, picked up on the codewords, and suggested them to his headmaster as possible entries.

This has been dismissed by most historians as an attempt to rewrite or embellish an already baffling story.

Nonetheless, it’s possible that, somewhere, some document connecting Mr. Dawes and the codewords is waiting to be discovered.

Until then, it simply remains a curious moment in crossword history.

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# Crosswords: Good for Any Apocalypse!

Crosswords. They’re great to have on hand when you’re bored, when you’re looking for a challenge, when you need a diversion, or when the end is near and doomsday approacheth.

Wait, what was that last one?

Yes, my fellow puzzlers and PuzzleNationers, as it turns out, crosswords have recently gained attention as a resource for doomsday preppers and other folks with a vested interest in doing their best to prepare for the worst.

[Image courtesy of Trinity International.]

In this article from The Examiner, the many pluses of crosswords are discussed:

Crossword puzzles also help younger family members and older family members to develop or maintain good spelling. Misspelled words in written communications can create confusion during an emergency.

In addition, crossword puzzles can help to instill a “can do” attitude in family members. When first beginning a crossword puzzle, for example, few people will know all or even most of the words needed. As crossword puzzle users progress into the crossword puzzle, however, the “across” words that they know will help them to guess the correct “down” words, and vice versa.

It goes on to discuss crosswords encouraging family interaction, the subgenre of Bible crosswords, the fact that crosswords don’t require batteries or electricity, that they’re affordable, and that they make great “hurry up and wait” time fillers. (Plus, they don’t take up much space in a bug-out bag!)