| Prime Ministers of the UK | 0 | - | 4.96 | 434,590 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,675 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,036 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,242 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,424 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,257 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,653,794 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,139 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,104 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,245 |
| Name the English Monarchs | 0 | - | 4.92 | 497,841 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,243 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,593 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,824 |
| Name that Greek Letter | 0 | - | 4.94 | 321,638 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,522 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,943 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,041 |
| Roman Emperors | 0 | - | 4.95 | 118,467 |
| Monty Python Quotes | 0 | - | 4.88 | 42,322 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,252 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,539 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,634 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,766 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,505 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,503 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,141 |
| Countries of the Popes | 0 | - | 4.79 | 127,202 |
| National Founders | 0 | - | 4.40 | 83,646 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,688 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,455 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,903 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,998 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,524 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,399 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,675 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,110 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,574 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,312 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,820 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,663 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,720 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,344 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,932 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,408 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,395 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,103 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,823 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,230 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,287 |
| Countries Bordering France | 0 | - | 4.83 | 398,949 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,021 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,312 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,072 |
| Political Movements by Country | 0 | - | 4.46 | 72,257 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,878 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,856 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,169 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,355 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,733 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,879 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,524 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,669 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,238 |
| Every European Country Shape | 0 | - | 4.96 | 200,136 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,195 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,140 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,962 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,663 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,512 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,772 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,523 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,798 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,294 |
| Counties of Ireland | 0 | - | 4.92 | 193,045 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,444 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,309 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,039 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,829 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,294 |
| UK Immigration by Country | 0 | - | 4.94 | 139,617 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,124 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 69,312 |
| Most-Visited Countries by the British | 0 | - | 4.63 | 68,076 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,591 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,713 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,759 |
| Scotland Trivia | 0 | - | 4.58 | 57,408 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,242 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,234 |
| Hindu Countries | 0 | - | 4.85 | 49,566 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,953 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,375 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,699 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,924 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,475 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,334 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,819 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,588 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,238 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,366 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,456 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,211 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,891 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,428 |
| Ireland Country Quiz | 0 | - | 4.69 | 133,871 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,868 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,531 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,663 |
| Roman Names for Places | 0 | - | 4.62 | 57,871 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,647 |
| Netherlands by Picture | 0 | - | 4.23 | 19,561 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,842 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,254 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,668 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,021 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,458 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,829 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,287 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,455 |
| British History A-Z #1 | 0 | - | 4.45 | 45,804 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,290 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,315 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,100 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,148 |
| Pope Facts | 0 | - | 4.39 | 31,038 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,332 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,940 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,973 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,923 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,941 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,474 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,997 |
| Presidential Middle Names | 0 | - | 4.41 | 59,699 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,729 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,810 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,739 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,166 |
| The American Revolution | 0 | - | 4.52 | 54,053 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,313 |
| Random European Flag to Country | 0 | - | 4.89 | 180,877 |
| History of Russia Quiz | 0 | - | 4.49 | 31,789 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,135 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,360 |
| All Countries that Once Bordered Germany | 0 | - | 4.33 | 74,589 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,983 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,049 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,422 |
| Ancient Greek Words | 0 | - | 4.92 | 110,685 |
| History of Italy | 0 | - | 4.55 | 31,813 |
| Italy by Picture | 0 | - | 4.41 | 30,736 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,366 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,479 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,686 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,341 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,979 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,667 |
| UK Baby Girl Names by Decade | 0 | - | 4.36 | 159,180 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 131,067 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,384 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,797 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,269 |
| English Royal Consorts | 0 | - | 4.37 | 37,157 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,608 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,102 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 851,327 |
| Scotland A-Z | 0 | - | 4.73 | 41,038 |
| The Wales Quiz | 0 | - | 4.47 | 29,004 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,818 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,679 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,513 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,348 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,404 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,519 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,489 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,934 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,742 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,956 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,437 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,763 |
| German History A-Z | 0 | - | 4.49 | 24,217 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,301 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,954 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,714 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,498 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,146 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,691 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,392 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,105 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,033 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,595 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,091 |
| The Vietnam War | 0 | - | 4.43 | 35,292 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,858 |
| Communist Countries in History | 0 | - | 4.63 | 492,482 |
