How is that possible?

Well everything must be interpreted in order to be understood, and through the process of interpretation, you infer meaning. For example, when you see a stop sign, you see a red octagon. That’s a clue. Red doesn’t always mean “stop” and “octagon” doesn’t always mean stop, but when you add the two together, you surely can understand that you must stop.

But is a stop sign really a puzzle?

A red octagon is not a truly a stop sign without the word “STOP” written on it. In our opinion, this would NOT qualify as a puzzle. Why? Because the creator did not intend for there to be mystery, curiosity, exploration and discovery. The creator intended clarity.

That’s the kicker.

So, for the sake of clarity (haha), let’s define a puzzle as any sort of construction or communication intentionally designed to mystify the player until a verifiably correct solution is found.

Now that we’re armed with our working definition, let’s get into a short overview of the history of puzzles, codes, locks and all things intentionally mystifying!

The Rebus Puzzle

A rebus puzzle is an image that depicts a concept or word, especially difficult words or concepts. Egyptian hieroglyphs and early Chinese pictographs could be considered puzzles, as the images represented real-world concepts. It is hard to know with certainty whether or not these early images were intended to bewilder and mystify the beholder, but they certainly do now! So we’ll include them in our list :) And yes, we use a lot of image-based puzzles at Escape Mail. There’s something universal about an image as opposed to a word that is limited by language. Also, images offer an opportunity for beauty as well in a different way than words do.

429 BC

The Riddle

While Oedipus Rex may not be the first person to stumble upon a dastardly riddle (the Sumerians were probably first), he is certainly one of the most famous. In the play by the Greek playwright Sophocles, the main character answers the sphinx’ question:

What walks on four feet in the morning, two in the afternoon and three at night?

Can you n a m the answer?

As in the case of every good riddle, the question is intentionally, if not also artistically, veiled. Escape Mail co-founder Eric is an author of a book of riddles called Ratsel: Original Riddles. Eric’s eyes were opened to the potential of the entire world as a puzzle, filled with delight and wonder, as he wrote this book. One of the difficulties with riddles, however, is that there can often be multiple valid answers, which isn’t ideal for escape room design. Nevertheless, riddles remain near and dear to our hearts here at Escape Mail.

The Anagram

Around this same time as the riddle, the anagram was likely developed by a Greek poet Lycophron who apparently used them to flatter the rich and mighty. An anagram is a word or phrase that can be rearranged to reveal a new word or phrase. The original phrase can be unintelligible, but it is far more intriguing (and ingenious) when the word/phrase is intelligible both before and after the rearrangement. There’s an opportunity for sublime double-layered meaning here which we find really rich. We use lots of anagrams in Escape Mail, but we try to change up how we deliver them to you so that you keep getting incredible variety in every episode. We like the function of an anagram because it can be simple (attainable all on its own) or complex (requiring a key or instruction for you - the player - to know how to decode/unscramble).

BONUS: One anagram that you do not NEED to solve - but has been placed there for you as an easter egg - is found in Episode 6 Quiet as the Grave. Hint: the author’s first and last name anagrams into one word: a clue as to where the information in the article belongs!

618-907 AD

The Tangram Puzzle

The Tangram is another puzzle from China that dates back to the Tang Dynasty. Tangrams are shapes of different sizes that - when arranged precisely - fit perfectly into a square. Puzzlers are then challenged to reconstruct silhouetted shapes using the pieces of the tangram. These puzzles became popular in North America during World War 1, with some even claiming they are the most popular dissection puzzle in the world! While we don’t have an official tangram in our games, the concept of spatial reasoning and logic is definitely a skill you’re going to need to play the game!

800-1050

The Padlock

While technically not a puzzle (remember our definition?) we still find locks fascinating and pull inspiration from them regularly. The Vikings seem to get credit for the first padlocks, but that’s also up for debate. We include padlocks in this list because, after all, you need a key to open a lock, and in our Escape Mail games, the “key” is hidden in the information right in front of you. All you need to do is discover it!

1470

Cypher Disk

Okay, we really should write a separate blog about cyphers! But for now, let’s try and cover some key points: the person who gets credit for the cypher disk (although the concept of translating and obscuring data for nefarious purposes might find its origins with Julius Caesar) goes to the Italian Leon Battista Alberti.

We use the concept of a cypher (and in some cases, the same circular layout) in many episodes of Escape Mail.

Why is that? For a number of reasons, really. Cyphers work well as “overlays” (one piece on top of another) and since we’ve learned that people love the overlay function, just simply building the cypher can be fun (episodes 1, 2, and others). But the act of transcribing data from one state (confusion) to another (coherence) is virtually the name of the game. And so the cypher does this really, really well.

Cyphers have evolved quite a bit over the past 2000+ years. The transcription of data can be like a monoalphabetic Caesar Cypher (where one letter is always equivalent to another, and in the case of the Caesar Cypher, the letters are moved “up” or “down” the alphabet a certain amount) or polyalphabetic (where the transcription changes partway, or multiple times, through the code, making it much more difficult to decode). A famous movie you may have seen (and one we really enjoyed) is Imitation Game where Benedict Cumberbatch’s character attempts to decode Nazi messages during World War 2:

As the movie depicts, cyphers have weaknesses. Just like any puzzle, really, they can be cheated. But unlike a puzzle box or padlock that must be destroyed in order to be cheated, a cypher only needs to be studied in order to be “cracked”. We learned this the hard way during the first round of Escape Mail episode 1 production. Thanks to you, we’ve grown and changed! One of our new favourite ways of obscuring codes is by running words together. When you don’t run the words together, you run the risk of the spaces (breaks in words) giving you away. Language is predictable, and so repeating words and letters can be guessed or inferred, which can eventually crack the entire code.

MORE MODERN PUZZLES

A Thoroughly Incomplete List

There are way more puzzles out there than we could ever mention (or could ever be read!) In the last 400 years, there’s been a huge increase in the number and variety of puzzles that have been developed. While the list would no doubt be enormous, we created a short list of several of our favourites:

1. Disentanglement puzzles require you to manipulate an object and get it free in what seems like an impossible fashion. An entire blog post could be written about this genre! They seem to have a Chinese origin, with German history as well. Some of these are well done, but the cheaper ones (poor design and craftsmanship) are painfully simple and feel like a waste of money. One version that we enjoy is the Da Vinci Helicopter puzzle. We used a similar function in our first-ever table top escape game, called Mayan Mystery. It worked very well!
2. Burr puzzles could be considered a type of disentanglement, but concepts from the Burr puzzle have translated into a plethora of other locked boxes with “impossible” movements. It’s hard to know which one to display here, so instead we’ll point you in the direction of Chris Ramsay, who solves some of the greatest puzzles in the world on his YouTube channel. We get VERY pumped up about these videos. If you’re like us, you’ll be hooked and will have to watch every video, in which you’ll find many creations by the Karakuri Creation Group out of Japan.
3. Speaking of the Japanese… Japanese grid logic puzzles are vast and plentiful. The one you probably know most about is Sudoko. But the truth is, there is an entire genre of puzzles out of Japan that most people have never seen. We first learned of this genre in Alex Bellos’ book Puzzle Ninja: Pit Your Wits Against The Japanese Puzzle. While we don’t explicitly use any of these games in our puzzles, they inspire us, and challenge us to continue evolving in our craft.
4. Jigsaw puzzles may not be the most refined or inventive type of puzzle, but they are certainly popular! The very first JIGSAW puzzle was invented in the 1760s by a London mapmaker named John Spilsbury. He mounted a map on a piece of wood and sawed it into bits. From there, we can only assume the world saw the benefits of putting things together — there’s something very satisfying about creating a coherent image at the end of a puzzle. And with a multitude of tiny pieces, there’s a degree of “impressiveness” surrounding their production and manufacture. Want to be wowed? Watch how they’re made at Ravensburger. We use concepts from the jigsaw puzzle in our games as we love image-based solutions.
5. Logic puzzles, such as the Tower of Hanoi and Rubix cube are well-known and widely enjoyed due to their simple concept but difficult execution. Sometimes they are physical objects like the previously mentioned examples, and other times they are written out in the form of statements and syllogisms. One person who was famous for creating logic puzzles was Lewis Carroll, author of Alice in Wonderland. Carroll wrote a book in 1896 called Symbolic Logic, in which he wrote various sentences that require the puzzler to arrive upon a solution based on the given facts. We use this type of logic puzzle frequently, but most notably in episodes 8, 9, and 10.
6. Crossword puzzles are a much more recent invention. Many people are familiar with crosswords thanks to their prolific adoption in newspapers. Arthur Wynne is likely the person who invented the crossword in 1913. A crossword features a word clue, which may use elements of the riddle, but often is a simple fact or statement requiring a solution (answer). The player may or may not know all the answers, but because of the puzzle’s interlocking nature, unknown words can be deduced from the letters of known words that intersect. In this way, it share some similarities with the Japanese grid logic games like sudoko. We feature a variation of the crossword quite prominently in Episode 10 of Escape Mail.

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