Secret Code - The 25 Most Original secret codes (2024)

Secret codes and ciphers, we love them. That won't surprise you. Because let's face it, if you make an Escape Room, there must always be a puzzle with a good secret code. The trick is always to come up with a secret code that is not too easy and that also fits within the theme. Are you going to make a secret code for your children or for an escape room assignment? Then take a look at our list with the 25 best secrets.

Contents

  • 1 Creating a mirroring secret code
    • 1.1 Looking for a ready-made Escape Room for children?
  • 2 Pigpen cipher secret code
  • 3 Creating a secret code with sentences without vowels
  • 4 Sign language as a secret code
  • 5 Polybius square
  • 6 Matoran alphabet
  • 7 Deciphering Emoji Secret Code for Kids
  • 8 Braille as a secret code
  • 9 Create code wheel
    • 9.1 Ready-made Escape Room for children.
  • 10 Create Morse code cipher
  • 11 Create SMS code
  • 12 Secret code without spaces
  • 13 Secret code that points to a book
  • 14 Semaphore alphabet
  • 15 Secret code with wingdings font
  • 16 From numbers to secret code letters
  • 17 Convert coordinates to ciphers
  • 18 Create code language through a barcode
  • 19 Hieroglyphics as a secret code
  • 20 Vigenère figures
  • 21 Music notes secret code
  • 22 Crack code tap
  • 23 How to make a Caesar code?
  • 24 Runic alphabet
  • 25 HTML colour codes as secret code
  • 26 Which secret code are you going to make?

Creating a mirroring secret code

This mirror secret code is always fun and not too difficult to create. Everyone has a mirror at home to decipher the text.
How do you create a mirroring text?

  • Open 'Word' on your computer
  • Create a text box on your worksheet with 'insert' – 'text box'.
  • Write the text you want in the text box.
  • Then click (with your right mouse button) on the text box and choose 'format text'.
  • Click on the pen icon and then you will adjust the data for 3D rotation.
  • Set X-rotation to 180 degrees.

Looking for a ready-made Escape Room for children?


Interactive Escape Room for groups of children up to 13 years old. Nice for in the classroom. With a lot of secret codes and ciphers.

>> Check out the game

Pigpen cipher secret code

You have probably seen this secret code. The funny thing is that it has a lot of different names. But, whatever it's called, this is how it works. Each letter is equivalent to a shape it is in. Sometimes as a box, sometimes with a dot. Are you going to get started with a secret code for children? Then you should not miss this one.

Secret Code - The 25 Most Original secret codes (2)

Creating a secret code with sentences without vowels

This secret code sounds very simple. But trust us, kids really enjoy trying to read sentences like this. You have to pay attention when you create it, because sometimes it is quite difficult to write a sentence without a vowel.

Tr t rslf n r cmptr, s wht t ss?

Sign language as a secret code

For each letter there is a gesture with your hands. It does take some practice to learn this. But it also makes it very special to be able to communicate like this.

If you are going to use it as a game, for example, hang the explanation of the different gestures with the letters somewhere. In addition, make a video with one word or have it portrayed another.

Secret Code - The 25 Most Original secret codes (3)

Polybius square

The Polybius square is a coding in which letters and numbers are placed in a 5 by 5 table. This secret code is named after the Greek scholar Polybius, who invented this secret code as early as 200 BC.

The cipher works with coordinates. Which gives you the number first horizontally, then vertically. For example 23 is the letter M. Can you decipher what it says with the diagram below?

53, 43, 13, 45, 21, 42, 54, 34

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Matoran alphabet

There are many secret codes with icons that represent letters. Don't ask us why, but we are always very charmed by this Matoran alphabet. Probably because you can use it so beautifully in all kinds of graphic applications. As a cipher, this alphabet is extremely suitable to be used as icons in a graphical application. For example , you can nicely process the circles in a motif and have a secret code deciphered.

Secret Code - The 25 Most Original secret codes (5)

Deciphering Emoji Secret Code for Kids

If we then go straight to the secret codes with symbols, then it’s great to do this with emojis. This is especially fun with children. You can send sentences to each other via WhatsApp in order to decipher this secret code.

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Braille as a secret code

A great invention to be able to read: Braille! But also very nice to use as a secret code. You can display the dots in different ways to create your secret code. For example, lay down materials in Braille. Or put different colours of pushpin in Braille on a plate. Get creative!

Secret Code - The 25 Most Original secret codes (7)

Create code wheel

How to make your own code wheel to decipher a cipher? It really doesn't have to be that difficult. How does it work? Put an encryption somewhere, so you know how to decipher this cipher. Then you can drop a hidden message, which you can decipher by turning the code wheel.

Ready-made Escape Room for children.


Search for the Pharaoh's treasure, or you'll be locked up forever...

>> Check out the game

Create Morse code cipher

Morse code was invented as early as 1835, by how could it be otherwise, mister Samuel Morse .. Morse is a code that consists of long and short tones. We then put them down as (short) dots or as dashes. There are several morse generators on the internet to convert the code into sounds. But it is also nice to display the code, for example with lights. This can easily be done, for example, with a flashlight, with which you pass on codes. This way you can make your own creative secret code.

Create SMS code

For the slightly older ones among us, deciphering this cipher will be a breeze. Remember on your old Nokia when you had to type a simple text message. It gave you an RSI thumb! An SMS code works as follows: If you want an A, you click the 1 button once. If you want a B, you click the 1 button twice, etc. Do you know what it says here?

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Secret code without spaces

How easily can you read a text without spaces?

That'sactuallyfine.Youcanalsoreadwhatit*ayshere.

If you occasionally hide a different capital letter in between, you can make a super fun secret code for children. Simple and funny.

Secret code that points to a book

You can create a code language that refers to a passage from a book. Refer to a book you have on your shelf or online. For example, put down the title followed by p18, r5, w3. Then you refer to the 18th page, line number 5 and you take the 3rd word. This way you can decipher a secret sentence with several words from the book.

Semaphore alphabet

If you are scouting or work in the shipping industry, then you are probably familiar with this semaphore alphabet. Normally you will see signals with two flags, which can be held in eight positions. In total there are many different possibilities, which are linked to a letter of the alphabet.

Secret Code - The 25 Most Original secret codes (10)

Secret code with wingdings font

We used to make a lot of secrets with this in class. Wingdings. It is a word font, where each letter and number represent a separate symbol. For example, you can even place entire texts and letters as a secret code. But be careful. It's just as easy to crack the computer again. Watch out for little brothers who want to read your secret diary. Do you know what it says here?

Secret Code - The 25 Most Original secret codes (11)

From numbers to secret code letters

Another secret code that we all know from primary school. Each letter of the alphabet represents a number. Where a=1, b=2, c=3 etc. If you are going to set up a quest and are looking for a simple secret code to decipher, apply it. Known and successful with every child!

Convert coordinates to ciphers

Do you want to map out a route, with a text linked in cipher code below? Then it is fun to work with the coordinates of a map. Coordinates are often written in latitude and longitude. The latitude goes with N(orth) and S(outh) with a number of degrees between 0 and 90. The longitude is the position E(ast) and W(est). Here the degrees are between 0 and 180 degrees.

Google maps uses decimal degrees without N or S. If you click on a location, you can see what these decimals are. For example, put five of those numbers in a row as a secret code and you can take the first letters of the city as a secret code.

Secret Code - The 25 Most Original secret codes (12)

Create code language through a barcode

Barcodes are a super fun way to create a secret code. A barcode is of course also a code language in real life, but in a game or treasure hunt, for example, it is a fun way to decipher a secret code. You can display the barcodes as letters, or convert barcodes to Morse code. Where a thick stripe is a long tone and a thin stripe is a short tone.

Hieroglyphics as a secret code

Unbelievable! Hieroglyphs have been around since 3100 BC. They probably wouldn't have thought it would ever be used as a fun Escape room secret code. Are you going to make this secret code? Note that hieroglyphs use the same character for some letters in our alphabet. For example, the K and the C.

Vigenère figures

The Vigenère cipher is one of the most difficult codes to decipher. Crypto analysts love this type of ciphers. It works like an encryption, where a secret key word is converted using another (clear) text. This conversion is done in a large table with the alphabet both horizontally and vertically. We will show here a Vigenère example cipher.

You have the 'clear text'. This is actually the outcome of your Vigenère code. We have chosen 'Look in the drawer' here. You shade these letters in the left vertical part. You also have a keyword. In our case 'games'. These letters are in red in the horizontal part. And the secret text, is what comes out. Making the code works like this: First find the L on the left and combine it with the G of games. You get that the R. Continue in this way until you have converted all the letters. Where you use the keyword as often as necessary. Pretty complicated secret huh...

Secret Code - The 25 Most Original secret codes (13)

Secret Code - The 25 Most Original secret codes (14)

Music notes secret code

Are you going to make a secret code with a group of music lovers? Then you should not miss this one. Musical notes basically go from A to G, but you can of course vary this. Or have missing letters entered in a sentence that does occur with A to G. It takes some creativity, but it's a super fun way to come up with a secret code.

Crack code tap

With the tap code, the letters of the alphabet are in a table, just like with the Polybius square. You can find out the letters by listening or watching how many taps, or 'ticks' there are. In addition, the number of ticks of the vertical row is added first and then the ticks of the horizontal row.

How to make a Caesar code?

The cipher named after Julius Caesar is still widely used. You can also see it under the term ROT. You give a pre-encryption for how much the alphabet changes place. For example ROT3, then the alphabet moves three places. Then A->D, B->E etc. A super old secret code, but still fun and simple to make.

Runic alphabet

This alphabet has also been used as a cipher for a long time. Because they are such angular shapes, it is ideal for scratching into something. If you are going on a quest in the forest, scratch a hidden code in a trunk (which is on the ground!) to decipher.

Secret Code - The 25 Most Original secret codes (15)

HTML colour codes as secret code

Did you know that every colour has its own codes? For example, a colour consists of an RGB code, for example, the blue of these letters has the code #0f72d6 . Want to create a secret code language? Or use a safe code for an Escape Room? Then you can create a colour secret code. For example, use every first letter from a colour code and make a word with it. Do you want to create a secret code with the colour codes? Then make the colour codes here .

Which secret code are you going to make?

Have you become really excited about all those secrets? We are of course very curious how you have used them. Will you let us know? Do you want more tips on how to use these secrets, for example, when making your own escape room?

>> Read our blog on how to make an escape room game yourself .


Secret Code - The 25 Most Original secret codes (2024)

FAQs

How to decipher secret code? ›

Cryptography 101: Basic solving techniques for substitution ciphers
  1. Scan through the cipher, looking for single-letter words. ...
  2. Count how many times each symbol appears in the puzzle. ...
  3. Pencil in your guesses over the ciphertext. ...
  4. Look for apostrophes. ...
  5. Look for repeating letter patterns.
Sep 27, 2021

What is the hardest secret code to crack? ›

AES ‍ One of the hardest codes to crack is arguably the US government's Advanced Encryption Standard (aka Rijndael or AES) which the Americans use to protect top-secret information. AES is considered unbreakable by even the most sophisticated hackers.

What are some secret code words? ›

Although code words used will vary, some common examples are:
  • Charlie, Charlie, Charlie – security threat on the boat.
  • Echo, Echo, Echo – imminent danger ahead e.g. collision with another ship, high winds at port.
  • Red Party – fire onboard.
  • Operation Bright Star – medical emergency, urgent assistance required.
Feb 14, 2023

What is the most popular secret code? ›

The Caesar shift, named for Julius Caesar, is the most basic type of cipher available. Caesar used it to encrypt his military communications. All you need to do is move each letter of the alphabet by a certain number of letters to the right or left.

What is the easiest code to decipher? ›

Caesar ciphers are especially popular for children because they're easy to understand. Plus, they're a great way to practice the alphabet. All you have to do is rotate the alphabet by a number of your choice so each letter can be translated to a different one.

What is the secret code *# 21? ›

The USSD code *#21# is used to check if call forwarding is enabled on your phone. However, the “number cannot be completed as dialed” message typically indicates that the USSD code is not recognized by your network provider or your phone.

What is the unbreakable code? ›

The code was an intricate web of words designated to military terms and individual letters — it was impossible to break. On August 7, 1942, the Navajo Code Talkers conducted their first major operation — the 1st Marine Division, along with 15 Navajo Code Talkers, hit the beaches of Guadalcanal.

What is the easiest cipher to solve? ›

The Caesar cipher is a shift cipher, one of the simplest forms of encryption in which each letter of the message is replaced by a letter a certain number of positions down in the alphabet.

What is top secret code word? ›

Code-word information goes beyond the top secret clearance. It refers to the most classified information the government obtains, and it is protected with extremely limited access and unique security protocols. It is administered by the CIA, and only people with the code-word access to the information may see it.

What is the most serious code? ›

Code Blue: This is the most well-known code that signals a medical emergency, such as cardiac arrest. Code Gray: This code is used to alert staff members of combative or violent patient that requires immediate intervention.

How do you say I love you in secret code? ›

Phunktasticvoyage . There's a bunch of cute ways: Say or gesture 1–4–3 (number of letters in I-love-you)

What was the hardest code to crack? ›

The Vigenère cipher is a method of encrypting messages by using a series of different Caesar ciphers based on the letters of a particular keyword. The Vigenère cipher is more powerful than a single Caesar cipher and is much harder to crack.

What is the most uncrackable code? ›

8 of History's Most Mysterious Uncracked Codes
  1. Rapa Nui's Rongorongo. Verso of rongorongo Tablet B, Aruku Kurenga. / ...
  2. The Beale Ciphers. ...
  3. The Voynich Manuscript. ...
  4. The Dorabella Cipher. ...
  5. The Feynman Challenge Ciphers. ...
  6. Kryptos Section Four. ...
  7. Tamám Shud. ...
  8. Ricky McCormick's Notes.
Apr 3, 2023

What is the most complicated code ever? ›

Malbolge. This language is so hard that it has to be set aside in its own paragraph. Malbolge is by far the hardest programming language to learn, which can be seen from the fact that it took no less than two years to finish writing the first Malbolge code.

How do you decipher secret writing? ›

secret writing using different biological, vegetable, and chemical fluids involves using substances like lemon juice, onion juice, or invisible ink. Heat treatment can reveal hidden messages written with certain substances, while iodine fuming is effective for detecting invisible inks, causing them to become visible.

How do you decode coding? ›

Observe alphabets or numbers given in the code keenly. Find the sequence it follows whether it is ascending or descending. Detect the rule in which the alphabets/numbers/words follow. Fill the appropriate letter/number/word in the blank given.

How do I read an encrypted code? ›

To read encrypted data, you need the appropriate decryption key or passphrase. Use this key to reverse the encryption process and reveal the original information. Encryption is a vital aspect of data security in today's digital world. It enables us to protect sensitive information from unauthorized access.

How do I know my secret code? ›

General Codes
Dialer CodeWhat It Does
*#9090#Diagnostic configuration
*#*#4636#*#*Check info related to phone, batter and more
*#*#34971539#*#*Get camera information
*#*#273283*255*663282*#*#*For media files quick backup
13 more rows
6 days ago

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