Shadows in the Gallery

Look carefully at the numbers

The numbers never go above 26

It's a letter to number cipher

FIRST BACKER

Look carefully at the sentence structure.

You only need the first letter of every line.

Read down the page rather than across.

CHECK DATES CAREFULLY

Convert the Tally to a number

This isn't a number to letter cipher

Count across the plane titles by the number provided to get the letter you need

WEEP NO MORE

Look carefully at the hand drawn front lines.

There are dots and dashes within the front line.

Use morse code to translate the dots and dashes, with the bigger spaces being the gap between letters

Mountain Morse: HINT ONE. Trees provide Mountain Morse – large trees DASH, small trees DOT. Trees: "Altaussee". Red Front Line: "Symbols are elements". Green Front Line: "See Mountain Morse for Location"

You only need the first letter of every line.

Read down the page rather than across

A second cipher is present that's provided by the date.

Use the number provided by the date to give you the letter in the word e.g. 5 means 5th letter along.

LOOK FOR MOTIVE MEANS OPPORTUNITY

Bunjes had a mistress

This is a two part cipher you need to locate the second part before decoding.

The second part is the hole punched current and previous assignments

Lay the blue sheet over the reverse of the poster and you'll see an up arrow and the letter T, follow the directions of the arrow, revealing more letters each time

The Hoffman Family contains a bastard.

This is a ceasar Cipher

The number of places you move is provided by the circled page number

Try decoding both ways to get the right solution. If it makes no sense one way, try the other!

Jean needs my help in Bernterode. They have found something. Will be gone seven days. Stay out of sight until I return. I will mark tree when I come back.

The only code on here is the WO records number

This is a number cipher

All numbers are 2 digits, so numbers less than 10 are written 05

LISTENER

This is in Knock Code

You can either work this out using the cipher grid and plotting against the two known words (anagramming the two sets of 5 letters) Or by substituting each double letter for a single one and translating using letter substitution cipher decoding.

The two known words are Paris Hotel

Disposal experts needed Berentrode. Mine contains art, portraits, royal caskets, tapestries, books, four thousand tonnes explosives, Jean Martin

WO number is just a standard letter to number cipher

Signals office file no contains letters as well as numbers.

Each number in the signals office file no is a straight letter swap, with numbers greater than 9 being shown as letters.

WO number: Badge, Signal office file no: Bad Luck

The message is In playfair cipher

How to solve playfair ciphers is detailed in the Field Manual.

Altaussee mines contain vast quantity of stolen art. Bombs in mine. Could destroy everything. Do what you can to get army here ASAP.

The Signals office number contains a mix of letters and numbers. Numbers greater than 9 are written with gaps (either with hyphens or a letter beside them)

Alivetoday

This is a number cipher – with each number corresponding to a specific word.

All words are provided in the field manual

Explosives Neutralize. Worker Sealed Altausee Mine. Art safe. Need assistance Art Extraction. Soviet Advance.

WO records – has a mix of numbers and letters, all numbers greater than 9 have been allocated a letter, so you only need to translate numbers below 9

Take each number individually. There is an I that looks like a 1 in the second word.

Bad Hide Place

Each number can be translated individually except in the case of the two numbers placed in isolation – 12 = L

LA Dead

This is a number cipher – with each number corresponding to a specific word.

All words are provided in the field manual.

Resistance report Art Contact Missing

WO records – has a mix of numbers and letters, all numbers greater than 9 have been allocated a letter, so you only need to translate numbers below 9

Take each number individually. There is an O that looks like a zero in the second word.

Have Hope

Each number has been divided with a hyphen to make it easier to see.

HOPE

War Office Records Number can be decoded.

It's a letter to number cipher with some letters thrown in.

Some numbers are individual, some two digit numbers with a hyphen between.

Decide whodunnit

War Office Records Number can be decoded.

It's a letter to number cipher with some letters thrown in

All numbers are single digit letters e.g. A-I

Hideaway

War Office Records Number can be decoded.

It's a letter to number cipher

All numbers are single digit letters e.g. A-I are together, anything higher than I (so 10 or more) is separated by hyphens

Dead End

The numbers at the bottom or top of the pages can be decoded

It's a letter to number cipher

All numbers are separated by hyphens

Front page: Grill Cipher, Back page: Find code Word Moxy

There are two number and letter combinations at the top of the page, plus Leonard's Personnel number.

Leonard's number is a simple number to letter cipher

The letters are ATBASH cipher (where A=Z, and Z=A)

Any numbers greater than 26 are two digits, any numbers less than 26 are single digit letters

Number cipher reads: Find Hidden Codes (Numbers), Atbash Cipher reads: Not all will work, Leonard's personnel number translates to: Facade

There are two number and letter combinations at the top of the page, plus Leonard's Personnel number.

Leonard's number is a simple number to letter cipher

The letters are ATBASH cipher (where A=Z, and Z=A)

Any numbers greater than 26 are two digits, any numbers less than 26 are single digit letters

Some are harder codes, Look for acrostics, Leonard's personnel number translates to: Facade

There are three codes on this postcard. The number cipher, the morse code and the postmark

Number cipher is a standard number to letter conversion A=1

The lines in the centre are Morse code, you can translate these using the field guide

There is also morse in the post office stamp (Hidden code)

Number cipher: This way up., Morse on postmark says: Passed Censor Scrutiny

This is a standard Caesar Cipher

Caesar cipher is a 2 shift letter one, provided by the circled stamp number.

Berguisenhoff (name of the farm), Stillwasser Hutte (name of the cottage), River and Altaussee. The larger block of text reads: This house is empty, you can hide there, take care to avoid the farmhouse.

Look at the formation of the sentences in the message carefully

It's an acrostic

Acrostic reads: Distance to Walk.

There are two codes on this postcard

Morse is present on the postmark

The code is a playfair cipher – use the field guide to translate it

Morse on postmark says: Passed Censor Scrutiny, Playfair code reads: Am going to Altaussee

There are two codes on this postcard. The morse code and an acrostic

The direction to hold the postcard to read the morse is given with the arrows next to the stamp

The lines in the centre are Morse code, you can translate these using the field guide

The Acrostic starts WH Away.

The Morse reads: Maquis looting sites before we arrive., Acrostic reads: WH Away when K Conceived.

Line up the postcards in rainbow order

Look for the missing letters in the postcard printing.

When all postcards are viewed together in rainbow order – the missing letter in Carte Postal – spells PEACE