| Prime Ministers of the UK | 0 | - | 4.95 | 441,609 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,161 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,829 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,380 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,433 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,525 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,720,120 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,715 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,190 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,700 |
| Name the English Monarchs | 0 | - | 4.91 | 505,610 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,520 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,492 |
| The Trojan War | 0 | - | 4.83 | 39,943 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,930 |
| Name that Greek Letter | 0 | - | 4.93 | 324,738 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,736 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,574 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,508 |
| Roman Emperors | 0 | - | 4.95 | 120,963 |
| Monty Python Quotes | 0 | - | 4.89 | 42,585 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,088 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,987 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,913 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,893 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,937 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,824 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,776 |
| Countries of the Popes | 0 | - | 4.79 | 128,597 |
| National Founders | 0 | - | 4.40 | 83,937 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,085 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,130 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,505 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,119 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,253 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,139 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,096 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,364 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,434 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,040 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,736 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,646 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,453 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,773 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,155 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,239 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,142 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,873 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,554 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,674 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,422 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,058 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,617 |
| Countries Bordering France | 0 | - | 4.83 | 404,482 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,448 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,550 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,740 |
| Political Movements by Country | 0 | - | 4.46 | 72,713 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,105 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,132 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,054 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,854 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,600 |
| Every European Country Shape | 0 | - | 4.96 | 202,680 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,752 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,702 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,853 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,476 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,026 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,867 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,092 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,409 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,214 |
| Counties of Ireland | 0 | - | 4.92 | 196,907 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,187 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,137 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,981 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,652 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,873 |
| UK Immigration by Country | 0 | - | 4.94 | 141,518 |
| Arthurian Legend | 0 | - | 4.33 | 25,161 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,746 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 70,197 |
| Most-Visited Countries by the British | 0 | - | 4.64 | 68,945 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,069 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,979 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,210 |
| Scotland Trivia | 0 | - | 4.58 | 57,727 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,800 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,742 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,366 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,984 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,802 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,144 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,913 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,583 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,844 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,966 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,310 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,608 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,283 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,605 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,845 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,154 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,467 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,589 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,185 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,799 |
| Ireland Country Quiz | 0 | - | 4.69 | 135,123 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,064 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,158 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,169 |
| Roman Names for Places | 0 | - | 4.62 | 58,631 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,002 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 52,069 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,758 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,290 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,251 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,967 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,888 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,634 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,919 |
| British History A-Z #1 | 0 | - | 4.45 | 47,142 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,888 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,016 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,952 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 404,053 |
| Pope Facts | 0 | - | 4.39 | 31,353 |
| Hindu Countries | 0 | - | 4.87 | 50,497 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,501 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,236 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,153 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,490 |
| Presidential Middle Names | 0 | - | 4.41 | 60,641 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,582 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,840 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,166 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,592 |
| The American Revolution | 0 | - | 4.52 | 54,329 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,936 |
| Random European Flag to Country | 0 | - | 4.90 | 183,929 |
| History of Russia Quiz | 0 | - | 4.47 | 31,988 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,656 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,742 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 75,141 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,219 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,165 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,558 |
| Ancient Greek Words | 0 | - | 4.93 | 112,293 |
| History of Italy | 0 | - | 4.55 | 32,117 |
| Italy by Picture | 0 | - | 4.41 | 31,061 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,213 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,238 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,790 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,838 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,156 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,146 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,399 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,658 |
| UK Baby Girl Names by Decade | 0 | - | 4.38 | 161,510 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 132,955 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,053 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,447 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,471 |
| English Royal Consorts | 0 | - | 4.38 | 37,495 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 142,902 |
| 2026–2027 English Premier League Teams | 0 | - | 4.84 | 869,108 |
| Scotland A-Z | 0 | - | 4.73 | 41,417 |
| The Wales Quiz | 0 | - | 4.47 | 29,253 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,107 |
| Prime Ministers of Israel | 0 | - | 3.97 | 18,044 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,439 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,456 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,688 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,983 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,479 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,121 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,345 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,010 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,145 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,768 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,155 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,079 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,177 |
| German History A-Z | 0 | - | 4.49 | 24,870 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,798 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,157 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,571 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,224 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,258 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 389,568 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,778 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 38,124 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,430 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,835 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,376 |
| The Vietnam War | 0 | - | 4.44 | 35,628 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,497 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,104 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,079 |
