| Prime Ministers of the UK | 0 | - | 4.96 | 434,957 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,570 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,409 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,389 |
| Name that Greek Letter | 0 | - | 4.94 | 321,804 |
| Monty Python Quotes | 0 | - | 4.88 | 42,333 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,428 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,834 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,441 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,518 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,541 |
| Ancient Greek Words | 0 | - | 4.92 | 110,768 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,422 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,995 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,560 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,354 |
| UK Immigration by Country | 0 | - | 4.94 | 139,760 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,332 |
| British History A-Z #1 | 0 | - | 4.45 | 46,045 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,356 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,658,022 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,217 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,148 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,356 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,704 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,087 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,481 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,606 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 852,160 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,975 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,716 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,590 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,240 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,654 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,588 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,405 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,573 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,165 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,422 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,013 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,720 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,629 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,838 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,447 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,032 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,496 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,520 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,184 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,088 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,910 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,282 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,661 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,689 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,052 |
| Official Cities in the UK | 0 | - | 4.89 | 280,800 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,350 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,210 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,283 |
| Animals in British History | 0 | - | 4.44 | 25,880 |
| Scotland A-Z | 0 | - | 4.73 | 41,062 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,978 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,912 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,413 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,761 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,553 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,710 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,566 |
| German History A-Z | 0 | - | 4.49 | 24,368 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,001 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,968 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,028 |
| Biggest British Empire Countries | 0 | - | 4.77 | 97,848 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,295 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,071 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,139 |
| Most-Visited Countries by the British | 0 | - | 4.63 | 68,123 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,150 |
| British Places A-Z | 0 | - | 4.29 | 79,635 |
| Name the James Bond Movies | 0 | - | 4.56 | 157,693 |
| James Bond Trivia | 0 | - | 4.46 | 39,159 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,936 |
| Name the English Monarchs | 0 | - | 4.92 | 498,310 |
| Scotland Trivia | 0 | - | 4.58 | 57,428 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,236 |
| Countries of the Popes | 0 | - | 4.79 | 127,289 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,346 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,300 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,328 |
| Political Movements by Country | 0 | - | 4.46 | 72,284 |
| Hindu Countries | 0 | - | 4.86 | 49,623 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,210 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,990 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,887 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,385 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,670 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,362 |
| Every European Country Shape | 0 | - | 4.96 | 200,309 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,812 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,228 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,181 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,032 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,043 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,576 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,350 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,310 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,781 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,885 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,645 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,466 |
| Germany A-Z | 0 | - | 4.56 | 62,338 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,511 |
| The Trojan War | 0 | - | 4.83 | 39,460 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,664 |
| Ireland Country Quiz | 0 | - | 4.69 | 133,941 |
| Italy A-Z | 0 | - | 4.49 | 57,767 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,469 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,098 |
| Roman Emperors | 0 | - | 4.95 | 118,589 |
| Roman History by Picture | 0 | - | 4.46 | 26,349 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,425 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,902 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,041 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,171 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,571 |
| British Cultural Symbols | 0 | - | 4.27 | 63,177 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,902 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,323 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,599 |
| Middle Earth Geography | 0 | - | 4.56 | 39,553 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 80,883 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,555 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,691 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,062 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,532 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,006 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,583 |
| National Founders | 0 | - | 4.40 | 83,665 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,408 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,991 |
| U.S. Vice Presidents | 0 | - | 4.41 | 135,044 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,013 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,583 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,052 |
| Presidential Middle Names | 0 | - | 4.41 | 59,742 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,784 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,873 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,764 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,191 |
| The American Revolution | 0 | - | 4.52 | 54,069 |
| Random European Flag to Country | 0 | - | 4.89 | 181,016 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,215 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,736 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,421 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,164 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,703 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,452 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,327 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,965 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,383 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,724 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,349 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,552 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,982 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,288 |
| The Wales Quiz | 0 | - | 4.47 | 29,018 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,707 |
| Flags of WW1 | 0 | - | 4.60 | 37,983 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,996 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,263 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,170 |
| First Ladies of the United States | 0 | - | 4.28 | 85,262 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,120 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,382 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,464 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,013 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,476 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,844 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,686 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,636 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,696 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,632 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,569 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,764 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,099 |
| History of Russia Quiz | 0 | - | 4.49 | 31,801 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,767 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,960 |
| All Countries that Once Bordered Germany | 0 | - | 4.33 | 74,622 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,324 |
| Countries that Beat Ireland | 0 | - | 4.39 | 34,112 |
| History of Italy | 0 | - | 4.55 | 31,836 |
| Italy by Picture | 0 | - | 4.41 | 30,754 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,821 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,817 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,494 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,993 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,547 |
| UK Rivers Map Quiz | 0 | - | 4.54 | 30,273 |
| Lord of the Rings - Races | 0 | - | 4.24 | 58,438 |
| The Ultimate LOTR Character Quiz - The Books | 0 | - | 4.61 | 20,506 |
