Spy Trivia Questions

Real espionage, from the Spartan cipher rod to the Bridge of Spies.

See all 72 with answers
What do spies call a secret spot where one agent leaves items for another, so that the two never meet?

Pick an answer, then press Check answer. Then you see Correct or Not quite, with the reason. Keys: 1 to 4 pick, Enter checks.

Print covers the next 20 questions. Share this set copies a link to the same questions in the same order.

Scored round: 20 questions, no time limit.

More options

Unofficial practice questions, not affiliated with any school, exam board or quiz show. Bank checked October 14, 2026.

All 72 questions with answers

Tradecraft and spy words 13

  • A canary trap gives each suspect a slightly different version of a secret document. What is it meant to expose? Answer: The source of a leak. Source: Wikipedia: Canary trap
  • In naval warfare, what was a false flag? Answer: Another country's flag, flown to hide a ship's identity. Source: Wikipedia: False flag
  • In spy talk, what is a brush pass? Answer: A quick handover as two agents walk past each other. Source: Wikipedia: Clandestine HUMINT operational techniques
  • In tradecraft, what is a cut-out? Answer: A trusted go-between. Source: Wikipedia: Cutout (espionage)
  • Intelligence gathered by intercepting signals is known by which short name? Answer: SIGINT. Source: Wikipedia: Signals intelligence
  • What do spies call a secret spot where one agent leaves items for another, so that the two never meet? Answer: A dead drop. Source: Wikipedia: Dead drop
  • What does a numbers station send out on shortwave radio? Answer: Spoken lists of numbers. Source: Wikipedia: Numbers station
  • What is a long-term spy called who is recruited before having access to secrets and then works up inside an organization? Answer: A mole. Source: Wikipedia: Mole (espionage)
  • What is a microdot? Answer: A page shrunk to the size of a period. Source: Wikipedia: Microdot
  • What is steganography? Answer: Hiding a message inside something innocent. Source: Wikipedia: Steganography
  • What is the job of an agent provocateur? Answer: To lure others into committing a crime. Source: Wikipedia: Agent provocateur
  • What is the name for a secret place where agents, or people in danger, can be hidden? Answer: A safe house. Source: Wikipedia: Safe house
  • What is the name for a spy placed in a target country who does nothing until activated? Answer: A sleeper agent. Source: Wikipedia: Sleeper agent

Ciphers and code machines 15

  • American codebreakers gave which color name to Japan's diplomatic cipher machine of 1939? Answer: Purple. Source: Wikipedia: Type B Cipher Machine
  • Kerckhoffs's principle says that a cipher system should stay secure even if the enemy knows everything about it except what? Answer: The key. Source: Wikipedia: Kerckhoffs's principle
  • Mathematicians of which country first broke the Enigma cipher, in December 1932? Answer: Poland. Source: Wikipedia: Enigma machine
  • The pigpen cipher, which swaps letters for pieces of a grid, is also named after which society? Answer: The Freemasons. Source: Wikipedia: Pigpen cipher
  • The Playfair cipher of 1854 bears the name of Lord Playfair, who promoted it. Who invented it? Answer: Charles Wheatstone. Source: Wikipedia: Playfair cipher
  • The Roman historian Suetonius writes that Augustus, like Julius Caesar, used a shift cipher. How far did Augustus shift each letter? Answer: One place. Source: Wikipedia: Caesar cipher
  • The scytale, a cipher tool of the ancient Spartans, was a strip wound around what? Answer: A wooden rod. Source: Wikipedia: Scytale
  • Soldiers of which peoples pioneered code talking for the American military in the First World War? Answer: Cherokee, Choctaw and Lakota. Source: Wikipedia: Code talker
  • The Vigenère cipher was long known as le chiffrage indéchiffrable. What does that mean? Answer: The indecipherable cipher. Source: Wikipedia: Vigenère cipher
  • What codename did the British give to intelligence won by breaking high-level enemy ciphers such as Enigma? Answer: Ultra. Source: Wikipedia: Ultra (cryptography)
  • The wheel cipher commonly attributed to Thomas Jefferson was made of what? Answer: Lettered disks stacked on an axle. Source: Wikipedia: Jefferson disk
  • Which American cipher machine of the Second World War is not known to have been broken while it was in service? Answer: SIGABA. Source: Wikipedia: SIGABA
  • Which Arab scholar of the ninth century wrote the first known description of frequency analysis? Answer: Al-Kindi. Source: Wikipedia: Frequency analysis
  • Which cipher cannot be cracked, so long as its key is truly random, at least as long as the message, never reused and kept secret? Answer: The one-time pad. Source: Wikipedia: One-time pad
  • Which German electrical engineer is best known for inventing the Enigma cipher machine? Answer: Arthur Scherbius. Source: Wikipedia: Arthur Scherbius

Spies before 1900 14

  • A British intelligence officer coined the term the Great Game in 1840, for the rivalry of the British and Russian empires in Central Asia. Who was he? Answer: Arthur Conolly. Source: Wikipedia: Great Game
  • Alfred Dreyfus, a French army captain, was wrongly convicted in 1894 of passing secrets to which country? Answer: Germany. Source: Wikipedia: Dreyfus affair
  • The British major John André was caught in 1780 carrying six papers written by an American general. Where had he hidden them? Answer: In his stocking. Source: Wikipedia: John André
  • The Chevalier d'Éon was an agent of the Secret du Roi, the private spy network of which French king? Answer: Louis XV. Source: Wikipedia: Chevalier d'Éon
  • Elizabeth Van Lew ran a spy ring for the Union during the Civil War. In which Confederate city? Answer: Richmond. Source: Wikipedia: Elizabeth Van Lew
  • The frumentarii, whose name means grain gatherers, served ancient Rome as what? Answer: A secret police and spy service. Source: Wikipedia: Frumentarii
  • In 1586 Thomas Phelippes, working for Walsingham, decoded the letters of which imprisoned queen? Answer: Mary, Queen of Scots. Source: Wikipedia: Babington Plot
  • In the code book of the Culper Ring, the number 355 stood for which word? Answer: Lady. Source: Wikipedia: Agent 355
  • What was done in a cabinet noir, the black room kept by French governments? Answer: Letters were opened and read. Source: Wikipedia: Cabinet noir
  • Which ancient Chinese book of strategy ends with a chapter on the use of spies? Answer: The Art of War. Source: Wikipedia: The Art of War
  • Which conductor of the Underground Railroad also served the Union Army as a scout and spy? Answer: Harriet Tubman. Source: Wikipedia: Harriet Tubman
  • Which Confederate spy worked from her father's hotel in Front Royal, Virginia, and carried news to Stonewall Jackson in 1862? Answer: Belle Boyd. Source: Wikipedia: Belle Boyd
  • Which English novelist of the early 1700s was also a journalist, a merchant and a spy? Answer: Daniel Defoe. Source: Wikipedia: Daniel Defoe
  • Who was principal secretary to Elizabeth I of England and is remembered as her spymaster? Answer: Sir Francis Walsingham. Source: Wikipedia: Francis Walsingham

The world wars 15

  • According to tradition, which order did Churchill give when the Special Operations Executive was formed in 1940? Answer: Set Europe ablaze. Source: Wikipedia: Special Operations Executive
  • The American agent Virginia Hall worked in occupied France with an artificial leg. What did she call it? Answer: Cuthbert. Source: Wikipedia: Virginia Hall
  • Before she became a famous cook, Julia Child worked for an American spy agency in the Second World War. What did she help to develop there? Answer: A shark repellent. Source: Wikipedia: Julia Child
  • The British group that ran captured German agents as double agents was called the Twenty Committee. Why twenty? Answer: XX, a double cross, is twenty in Roman numerals. Source: Wikipedia: Double-Cross System
  • By which stage name is Margaretha Zelle, a Dutch dancer convicted of spying for Germany in the First World War, better known? Answer: Mata Hari. Source: Wikipedia: Mata Hari
  • The entertainer Josephine Baker carried notes for the French Resistance written in invisible ink on what? Answer: Her sheet music. Source: Wikipedia: Josephine Baker
  • The Gestapo gave which nickname to Nancy Wake, an Allied agent they could not catch? Answer: The White Mouse. Source: Wikipedia: Nancy Wake
  • Moe Berg, who became an American spy in the Second World War, had been a professional player of which sport? Answer: Baseball. Source: Wikipedia: Moe Berg
  • Operation Fortitude South led the Germans to expect the main invasion of 1944 in which place? Answer: The Pas-de-Calais. Source: Wikipedia: Operation Fortitude
  • Operation Mincemeat of 1943 used false papers to persuade the Germans that the Allies would not invade which island? Answer: Sicily. Source: Wikipedia: Operation Mincemeat
  • Richard Sorge, a Soviet military intelligence officer, worked under cover as a German journalist in Germany and in which other country? Answer: Japan. Source: Wikipedia: Richard Sorge
  • The spy codenamed Cicero sold British secrets to Germany in 1943 and 1944. What was his job? Answer: Valet to the British ambassador in Turkey. Source: Wikipedia: Elyesa Bazna
  • What was the British codename of Juan Pujol García, the Spanish double agent who misled Germany about D-Day? Answer: Garbo. Source: Wikipedia: Juan Pujol García
  • Which American intelligence agency of the Second World War was set up in June 1942 with William Donovan at its head? Answer: The Office of Strategic Services. Source: Wikipedia: Office of Strategic Services
  • Which section of the British Admiralty decoded the Zimmermann telegram in 1917? Answer: Room 40. Source: Wikipedia: Room 40

The Cold War 15

  • A carved wooden Great Seal given to the American ambassador in Moscow in 1945 hid a listening device. Who invented it? Answer: Leon Theremin. Source: Wikipedia: The Thing (listening device)
  • The chief of MI6 is known by which single letter, a custom begun by the first chief, Mansfield Smith-Cumming? Answer: C. Source: Wikipedia: Mansfield Smith-Cumming
  • For Operation Gold in the 1950s, American and British services dug a tunnel under Berlin. What was it for? Answer: Tapping Soviet telephone lines. Source: Wikipedia: Operation Gold
  • How did the Corona spy satellites of the 1960s send their photographs home? Answer: In film capsules caught in mid-air. Source: Wikipedia: CORONA (satellite)
  • In 1953 a Brooklyn newspaper boy was paid with a nickel that split open in his hand. What was inside? Answer: Microfilm showing a series of numbers. Source: Wikipedia: Hollow Nickel Case
  • In Acoustic Kitty, a project of the 1960s, the CIA tried to use which animal to listen in on conversations? Answer: A cat. Source: Wikipedia: Acoustic Kitty
  • In Operation Ivy Bells, American divers tapped a Soviet communications cable. Where did the cable lie? Answer: Under the Sea of Okhotsk. Source: Wikipedia: Operation Ivy Bells
  • Kim Philby, Donald Maclean and Guy Burgess belonged to a Soviet spy ring that is named after which university? Answer: Cambridge. Source: Wikipedia: Cambridge Five
  • Klaus Fuchs confessed in 1950 to spying for the Soviet Union. On which wartime project had he worked? Answer: The Manhattan Project. Source: Wikipedia: Klaus Fuchs
  • The Stasi was the state security service of which country? Answer: East Germany. Source: Wikipedia: Stasi
  • The Venona project, an American effort to read Soviet coded messages, began in 1943. For how many years did it run? Answer: 37 years. Source: Wikipedia: Venona project
  • When an agency refuses to either confirm or deny that records exist, its reply is called a Glomar response. It is named after a ship that the CIA used in 1974 to do what? Answer: Raise a sunken Soviet submarine. Source: Wikipedia: Project Azorian
  • Which bridge between West Berlin and Potsdam was nicknamed the Bridge of Spies for the prisoner exchanges held on it? Answer: Glienicke Bridge. Source: Wikipedia: Glienicke Bridge
  • Which East German spy chief was known in the West as the man without a face? Answer: Markus Wolf. Source: Wikipedia: Markus Wolf
  • Why was Checkpoint Charlie, the crossing in the Berlin Wall, called Charlie? Answer: Charlie is the letter C in the phonetic alphabet. Source: Wikipedia: Checkpoint Charlie

How it works

What is a dead drop, and which agent named her artificial leg Cuthbert? These spy trivia questions stick to real espionage: the words of the trade, the ciphers, and dated cases from the Spartans to the Cold War.

Read the full guide

Spy trivia questions and answers, multiple choice

Every question has four choices and a reason. Tradecraft and spy words asks what a mole, a cut-out and a numbers station are. Ciphers and code machines runs from the Spartan scytale to Enigma and the one-time pad.

Real cases, round by round

Spies before 1900 has Walsingham, the Culper Ring's code for a lady and the Great Game. The world wars covers Operation Mincemeat, the Twenty Committee and Garbo. The Cold War has a hollow nickel, a tunnel under Berlin and a cat.

  • At a mystery party, play Tradecraft and spy words first, so guests know a dead drop from a brush pass.

Questions and answers

What are some easy spy trivia questions?

What do spies call a secret spot where items are left for another agent? Which country's secret police was the Stasi? By which stage name is Margaretha Zelle better known? The answers are a dead drop, East Germany and Mata Hari.

What is tradecraft in espionage?

Tradecraft is the techniques, methods and technologies of spying. Dead drops, cut-outs and brush passes are examples: each lets two people pass something on without being seen to meet, or without meeting at all.

Who invented the Enigma machine?

Arthur Scherbius, a German electrical engineer, who patented his rotor cipher machine and sold it under the name Enigma. Poland first broke its cipher in December 1932, through Marian Rejewski of the Polish Cipher Bureau.

How were the answers checked?

Each was read on October 14, 2026 in the English Wikipedia article linked beside it, 72 articles in all. No film, novel series or game is asked, no living person is an answer, and weapons and methods of harm are left out.