| Prime Ministers of the UK | 0 | - | 4.96 | 435,892 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,758 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,203 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,740 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,595 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,639 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,666,889 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,521 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,290 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,534 |
| Name the English Monarchs | 0 | - | 4.92 | 499,281 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,487 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,005 |
| The Trojan War | 0 | - | 4.83 | 39,510 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,576 |
| Name that Greek Letter | 0 | - | 4.94 | 322,182 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,948 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,085 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,188 |
| Roman Emperors | 0 | - | 4.95 | 118,872 |
| Monty Python Quotes | 0 | - | 4.88 | 42,356 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,680 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,610 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,688 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,959 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,603 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,584 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,744 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,416 |
| Countries of the Popes | 0 | - | 4.79 | 127,470 |
| National Founders | 0 | - | 4.40 | 83,698 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,485 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,715 |
| Ancient Greek Words | 0 | - | 4.93 | 110,959 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,278 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,203 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,018 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,061 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,035 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,788 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,674 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,747 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,881 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,602 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,625 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,388 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,836 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,086 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,662 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,297 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,697 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,763 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,357 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,083 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,381 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,353 |
| Countries Bordering France | 0 | - | 4.83 | 400,669 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,649 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,519 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,351 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,445 |
| Political Movements by Country | 0 | - | 4.46 | 72,346 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,159 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,054 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,357 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,615 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,809 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,921 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,611 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,686 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,575 |
| Every European Country Shape | 0 | - | 4.96 | 200,604 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,302 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,246 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,276 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,827 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,581 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,944 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,642 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,919 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,005 |
| Counties of Ireland | 0 | - | 4.92 | 193,685 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,578 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,705 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,223 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,265 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,009 |
| UK Immigration by Country | 0 | - | 4.94 | 139,965 |
| Arthurian Legend | 0 | - | 4.33 | 25,065 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,625 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 69,462 |
| Most-Visited Countries by the British | 0 | - | 4.63 | 68,242 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,170 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,957 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,927 |
| Scotland Trivia | 0 | - | 4.58 | 57,468 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,536 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 117,186 |
| Hindu Countries | 0 | - | 4.86 | 49,728 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,114 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,400 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,101 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,314 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,735 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,381 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,055 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,752 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,976 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,680 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,625 |
| Greece by Picture | 0 | - | 4.16 | 14,717 |
| Mythology A-Z | 0 | - | 4.31 | 37,067 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,120 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,504 |
| Ireland Country Quiz | 0 | - | 4.69 | 134,092 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,044 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,592 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,744 |
| Roman Names for Places | 0 | - | 4.62 | 57,987 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,043 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,390 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,859 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,063 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,594 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,005 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,379 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,755 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,655 |
| British History A-Z #1 | 0 | - | 4.45 | 46,233 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,397 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,431 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,259 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,387 |
| Pope Facts | 0 | - | 4.39 | 31,104 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,539 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,108 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,070 |
| U.S. Vice Presidents | 0 | - | 4.39 | 135,407 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,153 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,760 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,205 |
| Presidential Middle Names | 0 | - | 4.41 | 59,843 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,886 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,016 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,813 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,234 |
| The American Revolution | 0 | - | 4.52 | 54,120 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,176 |
| Random European Flag to Country | 0 | - | 4.89 | 181,308 |
| History of Russia Quiz | 0 | - | 4.49 | 31,825 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,360 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,539 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 74,680 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,049 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,445 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,106 |
| History of Italy | 0 | - | 4.55 | 31,870 |
| Italy by Picture | 0 | - | 4.41 | 30,805 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,510 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,125 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,532 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,717 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,460 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,051 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,854 |
| UK Baby Girl Names by Decade | 0 | - | 4.36 | 159,581 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 131,509 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,665 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,869 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,306 |
| English Royal Consorts | 0 | - | 4.37 | 37,239 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,671 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 853,854 |
| Scotland A-Z | 0 | - | 4.73 | 41,105 |
| The Wales Quiz | 0 | - | 4.47 | 29,045 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,850 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,792 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,980 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,883 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,579 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,144 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,980 |
| Europe Map Quiz | 0 | - | 5.00 | 4,740,408 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,814 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,414 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 316,401 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,472 |
| Arms Exports - Russia | 0 | - | 4.48 | 25,038 |
| German History A-Z | 0 | - | 4.49 | 24,485 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,383 |
| Roman to Greek God | 0 | - | 4.52 | 122,397 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,997 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,033 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,595 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,162 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 386,419 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,433 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,268 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,110 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,641 |
