| Prime Ministers of the UK | 0 | - | 4.95 | 440,099 |
| Prime Ministers of Australia | 0 | - | 4.50 | 32,010 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,650 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,817 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,194 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,992 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,708,866 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,024 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,960 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,385 |
| Name the English Monarchs | 0 | - | 4.91 | 504,006 |
| Country by Photo of its Leader | 0 | - | 4.72 | 124,270 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,096 |
| The Trojan War | 0 | - | 4.83 | 39,800 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,939 |
| Name that Greek Letter | 0 | - | 4.93 | 324,185 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,260 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,421 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,656 |
| Roman Emperors | 0 | - | 4.95 | 120,408 |
| Monty Python Quotes | 0 | - | 4.89 | 42,511 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,702 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,900 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,866 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,681 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,938 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,854 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,545 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,439 |
| Countries of the Popes | 0 | - | 4.79 | 128,348 |
| National Founders | 0 | - | 4.40 | 83,885 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 427,096 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,786 |
| Ancient Greek Words | 0 | - | 4.93 | 111,919 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,512 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,129 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,099 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,339 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,659 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,029 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,202 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,281 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,194 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,704 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,763 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,630 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,737 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,869 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,765 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,476 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,116 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,332 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,809 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,859 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,557 |
| Countries Bordering France | 0 | - | 4.83 | 403,579 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,706 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,746 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,494 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,183 |
| Political Movements by Country | 0 | - | 4.46 | 72,623 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,039 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,107 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,942 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,830 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,111 |
| Every European Country Shape | 0 | - | 4.96 | 202,221 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,595 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,590 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,380 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,301 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,858 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,667 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,969 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,287 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,387 |
| Counties of Ireland | 0 | - | 4.92 | 196,078 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,026 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,361 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,805 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,271 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,377 |
| UK Immigration by Country | 0 | - | 4.94 | 141,172 |
| Arthurian Legend | 0 | - | 4.33 | 25,132 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,194 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 70,002 |
| Most-Visited Countries by the British | 0 | - | 4.64 | 68,769 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,289 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,806 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,012 |
| Scotland Trivia | 0 | - | 4.58 | 57,656 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,482 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,551 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,097 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,771 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,437 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,822 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,713 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,557 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,395 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,528 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,657 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,551 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,986 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,366 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,049 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,746 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,207 |
| Greece by Picture | 0 | - | 4.16 | 14,799 |
| Mythology A-Z | 0 | - | 4.31 | 37,289 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,904 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,714 |
| Ireland Country Quiz | 0 | - | 4.69 | 134,689 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,655 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,793 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,993 |
| Roman Names for Places | 0 | - | 4.62 | 58,403 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,749 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,888 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,517 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,219 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,070 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,746 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,754 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,402 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,847 |
| British History A-Z #1 | 0 | - | 4.45 | 46,585 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,779 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,816 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,754 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,783 |
| Pope Facts | 0 | - | 4.39 | 31,298 |
| Hindu Countries | 0 | - | 4.86 | 50,309 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,403 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,937 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,729 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 94,010 |
| Presidential Middle Names | 0 | - | 4.41 | 60,415 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,457 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,671 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,054 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,488 |
| The American Revolution | 0 | - | 4.52 | 54,295 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,614 |
| Random European Flag to Country | 0 | - | 4.89 | 182,990 |
| History of Russia Quiz | 0 | - | 4.47 | 31,952 |
| Flags of Countries That Border France | 0 | - | 4.88 | 123,392 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,504 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 75,018 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,177 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,524 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,564 |
| History of Italy | 0 | - | 4.55 | 32,054 |
| Italy by Picture | 0 | - | 4.41 | 30,988 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,014 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,204 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,721 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,814 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,990 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,299 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,426 |
| UK Baby Girl Names by Decade | 0 | - | 4.38 | 160,926 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 132,583 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,958 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,355 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,426 |
| English Royal Consorts | 0 | - | 4.38 | 37,413 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 142,032 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 862,019 |
| Scotland A-Z | 0 | - | 4.73 | 41,339 |
| The Wales Quiz | 0 | - | 4.47 | 29,204 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,907 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,982 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,295 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,219 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,552 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,380 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,224 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,357 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,633 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,921 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,603 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,056 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,300 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 319,352 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,615 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,152 |
| German History A-Z | 0 | - | 4.49 | 24,665 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,687 |
| Roman to Greek God | 0 | - | 4.52 | 123,025 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,123 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,231 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,059 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,244 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 388,752 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,722 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,984 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,340 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,780 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,706 |
