| Prime Ministers of the UK | 0 | - | 4.95 | 437,637 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,843 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,409 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,282 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,123 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,706 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,106 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,748 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,818 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,176 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,686,886 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,287 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,640 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,825 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,910 |
| Name that Greek Letter | 0 | - | 4.93 | 323,028 |
| Monty Python Quotes | 0 | - | 4.88 | 42,430 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,725 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,755 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,454 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,862 |
| Countries of the Popes | 0 | - | 4.79 | 127,844 |
| National Founders | 0 | - | 4.40 | 83,783 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,748 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,216 |
| Ancient Greek Words | 0 | - | 4.93 | 111,302 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,732 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,605 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,049 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,007 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,264 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,131 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,734 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,988 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,200 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,402 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,862 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,983 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,945 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,583 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,643 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,577 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,385 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,776 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,193 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,124 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 72,789 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,848 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,092 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,243 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,679 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,571 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,029 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,582 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,432 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,408 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,678 |
| UK Immigration by Country | 0 | - | 4.94 | 140,626 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,362 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,986 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,189 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,963 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 127,588 |
| Political Movements by Country | 0 | - | 4.46 | 72,452 |
| Top 10 Richest Countries in Africa | 0 | - | 4.86 | 75,934 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,915 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,061 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,500 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,750 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,470 |
| Every European Country Shape | 0 | - | 4.96 | 201,245 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,432 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,380 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,724 |
| Ireland Country Quiz | 0 | - | 4.69 | 134,357 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,235 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,523 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,997 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,112 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,875 |
| Name the English Monarchs | 0 | - | 4.91 | 501,292 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,942 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,122 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,813 |
| Hindu Countries | 0 | - | 4.86 | 49,984 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,390 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,504 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,211 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,557 |
| Presidential Middle Names | 0 | - | 4.41 | 60,086 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,161 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,418 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,345 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,668 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,845 |
| Random European Flag to Country | 0 | - | 4.89 | 181,890 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,135 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,464 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,452 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,470 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,032 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,893 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,876 |
| Germany A-Z | 0 | - | 4.56 | 62,533 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,260 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,887 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,761 |
| The Trojan War | 0 | - | 4.83 | 39,638 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,380 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,375 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,497 |
| Italy A-Z | 0 | - | 4.49 | 58,138 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,547 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,398 |
| Roman Emperors | 0 | - | 4.95 | 119,625 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,349 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,644 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,342 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,041 |
| Middle Earth Geography | 0 | - | 4.56 | 39,740 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,315 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,757 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,136 |
| British History A-Z #1 | 0 | - | 4.45 | 46,384 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,570 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,248 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,501 |
| Scotland A-Z | 0 | - | 4.73 | 41,214 |
| Pope Facts | 0 | - | 4.39 | 31,192 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,556 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,913 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,012 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,324 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,221 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,569 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,927 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,840 |
| The American Revolution | 0 | - | 4.52 | 54,208 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,270 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,791 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,571 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,011 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,442 |
| History of Russia Quiz | 0 | - | 4.49 | 31,878 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,651 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,836 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 74,849 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,422 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,519 |
| History of Italy | 0 | - | 4.55 | 31,930 |
| Italy by Picture | 0 | - | 4.41 | 30,881 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,984 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,606 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,156 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,098 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,783 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,068 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,354 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,641 |
| Animals in British History | 0 | - | 4.44 | 25,970 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,706 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 857,202 |
| The Vietnam War | 0 | - | 4.44 | 35,474 |
| History of India | 0 | - | 4.61 | 21,392 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,807 |
| History of South Africa | 0 | - | 4.60 | 17,657 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,135 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,502 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,853 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,014 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,235 |
| First Ladies of the United States | 0 | - | 4.28 | 85,526 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,921 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,196 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,906 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,151 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,926 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,789 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,343 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,285 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,908 |
| Most Forested European Countries | 0 | - | 4.80 | 75,220 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,606 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,362 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,899 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,964 |
| Arms Exports - Russia | 0 | - | 4.48 | 25,118 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,907 |
| History of Austria | 0 | - | 4.70 | 17,831 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,103 |
| Geography of the French Empire | 0 | - | 4.45 | 27,019 |
| The French Revolution | 0 | - | 4.46 | 23,896 |
| History of France | 0 | - | 4.59 | 56,799 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,460 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,210 |
| German History A-Z | 0 | - | 4.49 | 24,566 |
| Mythology A-Z | 0 | - | 4.31 | 37,159 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,360 |
| Countries that Beat Ireland | 0 | - | 4.40 | 34,236 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,562 |
