| Prime Ministers of the UK | 0 | - | 4.96 | 436,043 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,977 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,667,982 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,706 |
| Name that Greek Letter | 0 | - | 4.94 | 322,224 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,717 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,868 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,591 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 79,771 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,761 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,736 |
| Ancient Greek Words | 0 | - | 4.93 | 110,982 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,520 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,606 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,941 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,668 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,438 |
| Countries of the Popes | 0 | - | 4.79 | 127,484 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,213 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,014 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,611 |
| Monty Python Quotes | 0 | - | 4.88 | 42,359 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,504 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,560 |
| German History A-Z | 0 | - | 4.49 | 24,488 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,352 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,570 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,107 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,389 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,282 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,655 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,761 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,275 |
| British History A-Z #1 | 0 | - | 4.45 | 46,244 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,693 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,442 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,018 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,647 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,165 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,781 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,222 |
| Presidential Middle Names | 0 | - | 4.41 | 59,854 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,905 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,038 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,817 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,237 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,429 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,852 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,081 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,115 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,686 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,322 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,717 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,800 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,373 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,259 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,095 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,388 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,357 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,691 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 74,692 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,688 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,113 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,927 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,476 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,613 |
| Pope Facts | 0 | - | 4.39 | 31,111 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,604 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,189 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,073 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,617 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,782 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,439 |
| Countries of the German Empire | 0 | - | 4.51 | 37,749 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,001 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,295 |
| UK Immigration by Country | 0 | - | 4.94 | 139,983 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,663 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,164 |
| Name the English Monarchs | 0 | - | 4.92 | 499,391 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,565 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,128 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,406 |
| U.S. Vice Presidents | 0 | - | 4.39 | 135,443 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,188 |
| First Ladies of the United States | 0 | - | 4.28 | 85,334 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,848 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,145 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,577 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,053 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,865 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,599 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,720 |
| Every European Country Shape | 0 | - | 4.96 | 200,632 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,129 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,256 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,566 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,313 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,342 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,751 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,029 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,080 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,758 |
| Germany by Picture | 0 | - | 4.39 | 29,666 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,633 |
| The Trojan War | 0 | - | 4.83 | 39,519 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,974 |
| Ireland Country Quiz | 0 | - | 4.69 | 134,116 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,506 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,198 |
| Roman Emperors | 0 | - | 4.95 | 118,983 |
| Roman History by Picture | 0 | - | 4.46 | 26,373 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,556 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,056 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,063 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,726 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,549 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,020 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,772 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,247 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,711 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,273 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,732 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,453 |
| National Founders | 0 | - | 4.40 | 83,704 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,530 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,675 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,546 |
| The John Adams Presidency | 0 | - | 4.12 | 8,697 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,702 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,798 |
| The American Revolution | 0 | - | 4.52 | 54,122 |
| Random European Flag to Country | 0 | - | 4.89 | 181,338 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,377 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,548 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,694 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,874 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,017 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,470 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,797 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,220 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,375 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,100 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,717 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 854,014 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,853 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,800 |
| Flags of WW1 | 0 | - | 4.60 | 38,084 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,121 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,924 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,686 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,927 |
| The George Washington Presidency | 0 | - | 4.03 | 14,493 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,896 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,254 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,629 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,595 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,232 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,035 |
| Europe Map Quiz | 0 | - | 5.00 | 4,741,062 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,234 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,818 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,444 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 316,438 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,366 |
| History of Russia Quiz | 0 | - | 4.49 | 31,828 |
| Arms Exports - Russia | 0 | - | 4.48 | 25,047 |
| Countries that Beat Ireland | 0 | - | 4.40 | 34,151 |
| History of Italy | 0 | - | 4.55 | 31,874 |
| Italy by Picture | 0 | - | 4.41 | 30,808 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,060 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,536 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,057 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,668 |
| UK Rivers Map Quiz | 0 | - | 4.54 | 30,291 |
| British Places A-Z | 0 | - | 4.29 | 79,694 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,308 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 386,464 |
| Shakespearean Characters | 0 | - | 4.38 | 37,553 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,437 |
| Animals in British History | 0 | - | 4.44 | 25,913 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,114 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,642 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,646 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,971 |
| Communist Countries in History | 0 | - | 4.63 | 493,466 |
| History of India | 0 | - | 4.61 | 21,325 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,260 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,618 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,051 |
| History of South Africa | 0 | - | 4.60 | 17,629 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,494 |
| Australian Capitals | 0 | - | 4.92 | 62,636 |
| History of Mexico | 0 | - | 4.58 | 15,249 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,322 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,813 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 621,120 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,388 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,110 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,513 |
