| Prime Ministers of the UK | 0 | - | 4.95 | 441,226 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,129 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,792 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,830 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,906 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,738 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,198 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,385 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,411 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,717,783 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,279 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,106 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,461 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,475 |
| Name that Greek Letter | 0 | - | 4.93 | 324,605 |
| Monty Python Quotes | 0 | - | 4.89 | 42,575 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,967 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,901 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,373 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,685 |
| Countries of the Popes | 0 | - | 4.79 | 128,539 |
| National Founders | 0 | - | 4.40 | 83,930 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,865 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,046 |
| Ancient Greek Words | 0 | - | 4.93 | 112,205 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,174 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,393 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,115 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,066 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,279 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,033 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,067 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,164 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,349 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,326 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,402 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,840 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,766 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,727 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,560 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,032 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,043 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,563 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,452 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,585 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,433 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,015 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,609 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,551 |
| UK Immigration by Country | 0 | - | 4.94 | 141,431 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,605 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,631 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,255 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,728 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,436 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,311 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,928 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,031 |
| Political Movements by Country | 0 | - | 4.46 | 72,703 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,088 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,129 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,576 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,849 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,547 |
| Every European Country Shape | 0 | - | 4.96 | 202,565 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,709 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,679 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,752 |
| Ireland Country Quiz | 0 | - | 4.69 | 135,090 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,552 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,947 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,298 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,276 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,636 |
| Name the English Monarchs | 0 | - | 4.91 | 505,207 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.32 | 62,441 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,755 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,635 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,851 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,154 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,025 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,388 |
| Presidential Middle Names | 0 | - | 4.41 | 60,585 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,559 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,792 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,564 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,738 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,864 |
| Random European Flag to Country | 0 | - | 4.90 | 183,774 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,208 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,595 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,402 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,209 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,557 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,083 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,641 |
| Germany A-Z | 0 | - | 4.56 | 62,788 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,636 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,410 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,873 |
| The Trojan War | 0 | - | 4.83 | 39,923 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,693 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,563 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,632 |
| Italy A-Z | 0 | - | 4.49 | 58,616 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,942 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,688 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,453 |
| Roman Emperors | 0 | - | 4.95 | 120,827 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,939 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,130 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,909 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,577 |
| Middle Earth Geography | 0 | - | 4.56 | 39,919 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,689 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,931 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,997 |
| British History A-Z #1 | 0 | - | 4.45 | 46,907 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,970 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,634 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 142,684 |
| Scotland A-Z | 0 | - | 4.73 | 41,401 |
| Pope Facts | 0 | - | 4.39 | 31,342 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,062 |
| Prime Ministers of Israel | 0 | - | 3.97 | 18,035 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,390 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,379 |
| Hindu Countries | 0 | - | 4.87 | 50,434 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,477 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,905 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,139 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,420 |
| The American Revolution | 0 | - | 4.52 | 54,319 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,975 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,231 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,624 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,640 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 319,968 |
| History of Russia Quiz | 0 | - | 4.47 | 31,980 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,594 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,687 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 75,113 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,853 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,770 |
| History of Italy | 0 | - | 4.55 | 32,105 |
| Italy by Picture | 0 | - | 4.41 | 31,042 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,924 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,774 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,372 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,594 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,036 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,622 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,460 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 38,085 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,828 |
| 2026–2027 English Premier League Teams | 0 | - | 4.84 | 867,518 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,424 |
| The Vietnam War | 0 | - | 4.44 | 35,618 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,657 |
| History of South Africa | 0 | - | 4.60 | 17,739 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,202 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,551 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.22 | 10,887 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,748 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,326 |
| U.S. Presidential Running Mates | 0 | - | 4.41 | 28,711 |
| First Ladies of the United States | 0 | - | 4.28 | 85,843 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 24,024 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,276 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,372 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,308 |
| Add a Letter - Make a U.S. President | 0 | - | 4.58 | 24,058 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,581 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,439 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,124 |
| Most Forested European Countries | 0 | - | 4.80 | 75,550 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,687 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,554 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,795 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,800 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,170 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,285 |
| History of Austria | 0 | - | 4.70 | 17,946 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,298 |
| Geography of the French Empire | 0 | - | 4.45 | 27,193 |
| The French Revolution | 0 | - | 4.47 | 24,108 |
| History of France | 0 | - | 4.61 | 57,445 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,536 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,492 |
| German History A-Z | 0 | - | 4.49 | 24,803 |
| Mythology A-Z | 0 | - | 4.31 | 37,345 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,293 |
| Countries that Beat Ireland | 0 | - | 4.40 | 34,582 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,155 |
| Roman History by Picture | 0 | - | 4.46 | 26,545 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,488 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,495 |
| The Vikings! | 0 | - | 4.46 | 28,388 |
| The Portuguese Empire | 0 | - | 4.58 | 12,094 |
| Arthurian Legend | 0 | - | 4.33 | 25,143 |
