| Prime Ministers of the UK | 0 | - | 4.95 | 441,861 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,174 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,869 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,524 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,472 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,609 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,722,203 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,028 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,235 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,746 |
| Name the English Monarchs | 0 | - | 4.91 | 505,898 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,557 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,558 |
| The Trojan War | 0 | - | 4.83 | 39,951 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,239 |
| Name that Greek Letter | 0 | - | 4.93 | 324,822 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,809 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,607 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,542 |
| Roman Emperors | 0 | - | 4.95 | 121,063 |
| Monty Python Quotes | 0 | - | 4.89 | 42,589 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,161 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,998 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,920 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,947 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,957 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,879 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,830 |
| Countries of the Popes | 0 | - | 4.79 | 128,654 |
| National Founders | 0 | - | 4.40 | 83,951 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,239 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,195 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,578 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,124 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,383 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,218 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,110 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,390 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,470 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,188 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,742 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,714 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 193,591 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,223 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,298 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,203 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,070 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,635 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,725 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,471 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,095 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,628 |
| Countries Bordering France | 0 | - | 4.83 | 404,637 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,601 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,560 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,849 |
| Political Movements by Country | 0 | - | 4.46 | 72,736 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,118 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,137 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,067 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,855 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,666 |
| Every European Country Shape | 0 | - | 4.96 | 202,796 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,777 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,719 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,937 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,500 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,039 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,890 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,109 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,429 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,372 |
| Counties of Ireland | 0 | - | 4.92 | 197,059 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,205 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,226 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,002 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,721 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,963 |
| UK Immigration by Country | 0 | - | 4.94 | 141,580 |
| Arthurian Legend | 0 | - | 4.33 | 25,166 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,834 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 70,235 |
| Most-Visited Countries by the British | 0 | - | 4.64 | 68,980 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,182 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,014 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,244 |
| Scotland Trivia | 0 | - | 4.58 | 57,742 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,869 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,945 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,418 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,025 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,903 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,239 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,944 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,590 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,923 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,050 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,355 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,624 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,346 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,644 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,975 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,214 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,504 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,606 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,228 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,814 |
| Ireland Country Quiz | 0 | - | 4.69 | 135,162 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,097 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,224 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,182 |
| Roman Names for Places | 0 | - | 4.62 | 58,658 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,058 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 52,099 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,797 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,298 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,288 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,008 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,909 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,669 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,934 |
| British History A-Z #1 | 0 | - | 4.45 | 47,188 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,914 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,040 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,991 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 405,177 |
| Pope Facts | 0 | - | 4.39 | 31,369 |
| Hindu Countries | 0 | - | 4.87 | 50,534 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,515 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,290 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,229 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,551 |
| Presidential Middle Names | 0 | - | 4.41 | 60,669 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,612 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,870 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,176 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,609 |
| The American Revolution | 0 | - | 4.52 | 54,343 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,163 |
| Random European Flag to Country | 0 | - | 4.90 | 184,028 |
| History of Russia Quiz | 0 | - | 4.47 | 31,995 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,700 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,775 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 75,158 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,227 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,365 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,567 |
| Ancient Greek Words | 0 | - | 4.93 | 112,347 |
| History of Italy | 0 | - | 4.55 | 32,129 |
| Italy by Picture | 0 | - | 4.41 | 31,067 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,257 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,252 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,800 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,844 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,177 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,159 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,408 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,707 |
| UK Baby Girl Names by Decade | 0 | - | 4.38 | 161,615 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 133,017 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,067 |
| Satellite Images - The United Kingdom | 0 | - | 4.41 | 28,164 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,465 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,480 |
| English Royal Consorts | 0 | - | 4.38 | 37,504 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,072 |
| 2026–2027 English Premier League Teams | 0 | - | 4.84 | 870,009 |
| Scotland A-Z | 0 | - | 4.73 | 41,432 |
| The Wales Quiz | 0 | - | 4.47 | 29,259 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,142 |
| Prime Ministers of Israel | 0 | - | 3.97 | 18,054 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,471 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,503 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,714 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 306,078 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,528 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,260 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,436 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,108 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,015 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,163 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,895 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,277 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,265 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,185 |
| German History A-Z | 0 | - | 4.49 | 24,886 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,819 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,161 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,616 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,438 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,263 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 389,769 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,786 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 38,159 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,445 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,846 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,496 |
| The Vietnam War | 0 | - | 4.44 | 35,634 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 104,522 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,215 |
