| Prime Ministers of the UK | 0 | - | 4.95 | 439,835 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,995 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,608 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,620 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,253 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,828 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,490 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,711 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,163 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,911 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,705,865 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,938 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,922 |
| Country by Photo of its Leader | 0 | - | 4.72 | 124,224 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,511 |
| Name that Greek Letter | 0 | - | 4.93 | 324,081 |
| Monty Python Quotes | 0 | - | 4.89 | 42,496 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,878 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,855 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,378 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,376 |
| Countries of the Popes | 0 | - | 4.79 | 128,279 |
| National Founders | 0 | - | 4.40 | 83,866 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,902 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,701 |
| Ancient Greek Words | 0 | - | 4.93 | 111,832 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,978 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,046 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,088 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 382,181 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,464 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,416 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,536 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,643 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,778 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,758 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,151 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,517 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,238 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,001 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,701 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,697 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,037 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,726 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,753 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,678 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,923 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,655 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,060 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,996 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,252 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,075 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,266 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,831 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,542 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,487 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,209 |
| UK Immigration by Country | 0 | - | 4.94 | 141,096 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,081 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,053 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,237 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,410 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,256 |
| Political Movements by Country | 0 | - | 4.46 | 72,598 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,388 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,021 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,098 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,551 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,827 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,002 |
| Every European Country Shape | 0 | - | 4.96 | 202,099 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,576 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,553 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,300 |
| Ireland Country Quiz | 0 | - | 4.69 | 134,644 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,395 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,758 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,171 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,212 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,303 |
| Name the English Monarchs | 0 | - | 4.91 | 503,633 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,199 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,413 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,163 |
| Hindu Countries | 0 | - | 4.86 | 50,267 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,677 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,875 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,659 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 93,946 |
| Presidential Middle Names | 0 | - | 4.41 | 60,371 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,434 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,651 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,467 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,293 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,422 |
| Random European Flag to Country | 0 | - | 4.89 | 182,857 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,586 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,542 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,018 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,926 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,328 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,010 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,867 |
| Germany A-Z | 0 | - | 4.56 | 62,675 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,064 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,158 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,829 |
| The Trojan War | 0 | - | 4.83 | 39,780 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,547 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,494 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,110 |
| Italy A-Z | 0 | - | 4.49 | 58,401 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,430 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,623 |
| Roman Emperors | 0 | - | 4.95 | 120,309 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,702 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,966 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,688 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,359 |
| Middle Earth Geography | 0 | - | 4.56 | 39,859 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,546 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,865 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,621 |
| British History A-Z #1 | 0 | - | 4.45 | 46,560 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,764 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,451 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,779 |
| Scotland A-Z | 0 | - | 4.73 | 41,328 |
| Pope Facts | 0 | - | 4.39 | 31,281 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,870 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,971 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,269 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,523 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,387 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 305,252 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,032 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,174 |
| The American Revolution | 0 | - | 4.52 | 54,282 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,179 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,504 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,305 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,165 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 319,161 |
| History of Russia Quiz | 0 | - | 4.47 | 31,943 |
| Flags of Countries That Border France | 0 | - | 4.88 | 123,337 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,445 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 75,006 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,628 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,675 |
| History of Italy | 0 | - | 4.55 | 32,040 |
| Italy by Picture | 0 | - | 4.41 | 30,980 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,731 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,712 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,287 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,378 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,935 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,385 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,419 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,936 |
| Animals in British History | 0 | - | 4.43 | 26,034 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,770 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 861,391 |
| Premier League Relegated Teams | 0 | - | 4.81 | 126,778 |
| The Vietnam War | 0 | - | 4.44 | 35,567 |
| History of India | 0 | - | 4.62 | 21,445 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,509 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,984 |
| History of South Africa | 0 | - | 4.60 | 17,711 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,178 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,539 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.22 | 10,874 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,422 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,276 |
| First Ladies of the United States | 0 | - | 4.28 | 85,712 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,972 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,239 |
| U.S. Presidents in Order by First Letter | 0 | - | 4.32 | 77,216 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,228 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,990 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,849 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,878 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,905 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,377 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,034 |
| Most Forested European Countries | 0 | - | 4.80 | 75,424 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,646 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,482 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,431 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,340 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,148 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,124 |
| History of Austria | 0 | - | 4.70 | 17,893 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,214 |
| Geography of the French Empire | 0 | - | 4.45 | 27,149 |
| The French Revolution | 0 | - | 4.47 | 24,048 |
| History of France | 0 | - | 4.59 | 57,225 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,360 |
| German History A-Z | 0 | - | 4.49 | 24,646 |
| Mythology A-Z | 0 | - | 4.31 | 37,264 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,823 |
