| Prime Ministers of the UK | 0 | - | 4.95 | 441,780 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,169 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,847 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,481 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,460 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,581 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,721,395 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,916 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,223 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,731 |
| Name the English Monarchs | 0 | - | 4.91 | 505,790 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,543 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,538 |
| The Trojan War | 0 | - | 4.83 | 39,948 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,134 |
| Name that Greek Letter | 0 | - | 4.93 | 324,804 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,793 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,600 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,529 |
| Roman Emperors | 0 | - | 4.95 | 121,016 |
| Monty Python Quotes | 0 | - | 4.89 | 42,589 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,134 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,993 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,918 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,928 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,952 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,866 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,811 |
| Countries of the Popes | 0 | - | 4.79 | 128,632 |
| National Founders | 0 | - | 4.40 | 83,946 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,176 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,172 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,546 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,122 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,331 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,192 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,107 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,384 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,456 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,144 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,739 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,692 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 193,543 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,204 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,279 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,182 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,001 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,609 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,714 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,459 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,077 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,624 |
| Countries Bordering France | 0 | - | 4.83 | 404,587 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,538 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,555 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,804 |
| Political Movements by Country | 0 | - | 4.46 | 72,727 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,109 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,134 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,063 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,854 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,645 |
| Every European Country Shape | 0 | - | 4.96 | 202,755 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,763 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,717 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,907 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,492 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,034 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,881 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,105 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,419 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,314 |
| Counties of Ireland | 0 | - | 4.92 | 196,992 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,198 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,193 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,997 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,698 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,933 |
| UK Immigration by Country | 0 | - | 4.94 | 141,558 |
| Arthurian Legend | 0 | - | 4.33 | 25,165 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,799 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 70,218 |
| Most-Visited Countries by the British | 0 | - | 4.64 | 68,969 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,138 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,000 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,231 |
| Scotland Trivia | 0 | - | 4.58 | 57,734 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,851 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,875 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,396 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,011 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,873 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,206 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,934 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,587 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,891 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,021 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,336 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,619 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,329 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,631 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,920 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,189 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,491 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,600 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,218 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,808 |
| Ireland Country Quiz | 0 | - | 4.69 | 135,148 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,082 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,210 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,178 |
| Roman Names for Places | 0 | - | 4.62 | 58,650 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,234 |
| Netherlands by Picture | 0 | - | 4.23 | 19,747 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,039 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 52,089 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,783 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,296 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,272 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,996 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,903 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,652 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,929 |
| British History A-Z #1 | 0 | - | 4.45 | 47,177 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,906 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,034 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,978 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 404,539 |
| Pope Facts | 0 | - | 4.39 | 31,359 |
| Hindu Countries | 0 | - | 4.87 | 50,525 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,511 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,270 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,195 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,536 |
| Presidential Middle Names | 0 | - | 4.41 | 60,663 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,601 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,860 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,174 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,602 |
| The American Revolution | 0 | - | 4.52 | 54,338 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,090 |
| Random European Flag to Country | 0 | - | 4.90 | 183,989 |
| History of Russia Quiz | 0 | - | 4.47 | 31,993 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,684 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,768 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 75,150 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,224 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,297 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,561 |
| Ancient Greek Words | 0 | - | 4.93 | 112,321 |
| History of Italy | 0 | - | 4.55 | 32,122 |
| Italy by Picture | 0 | - | 4.41 | 31,067 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,245 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,243 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,796 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,841 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,167 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,405 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,688 |
| UK Baby Girl Names by Decade | 0 | - | 4.38 | 161,576 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 132,997 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,064 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,461 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,477 |
| English Royal Consorts | 0 | - | 4.38 | 37,500 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,013 |
| 2026–2027 English Premier League Teams | 0 | - | 4.84 | 869,753 |
| Scotland A-Z | 0 | - | 4.73 | 41,427 |
| The Wales Quiz | 0 | - | 4.47 | 29,259 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,131 |
| Prime Ministers of Israel | 0 | - | 3.97 | 18,049 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,468 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,488 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,704 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 306,039 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,508 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,204 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,404 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,093 |
| Europe Map Quiz | 0 | - | 5.00 | 4,783,215 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,157 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,838 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,230 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,216 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,181 |
| German History A-Z | 0 | - | 4.49 | 24,879 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,812 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,159 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,600 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,350 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,263 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 389,690 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,785 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 38,154 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,438 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,843 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,457 |
| The Vietnam War | 0 | - | 4.44 | 35,633 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,514 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,161 |
