| Prime Ministers of the UK | 0 | - | 4.95 | 439,147 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,950 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,545 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,490 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,787 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,369 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,454 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,030 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,647 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,699,603 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,753 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,825 |
| Country by Photo of its Leader | 0 | - | 4.72 | 124,092 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,608 |
| Name that Greek Letter | 0 | - | 4.93 | 323,494 |
| Monty Python Quotes | 0 | - | 4.88 | 42,469 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,825 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,817 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,045 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,209 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,233 |
| Countries of the Popes | 0 | - | 4.79 | 128,134 |
| National Founders | 0 | - | 4.40 | 83,845 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,558 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,525 |
| Ancient Greek Words | 0 | - | 4.93 | 111,633 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,897 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,897 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,074 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,764 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,856 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,314 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,276 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,414 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,607 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,619 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,021 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,280 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,154 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,624 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,670 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,686 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,882 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,623 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,621 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,491 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,885 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,427 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 82,077 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,719 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,041 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,917 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,170 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,758 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,504 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,460 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,027 |
| UK Immigration by Country | 0 | - | 4.94 | 140,926 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,846 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,691 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,219 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,260 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,617 |
| Political Movements by Country | 0 | - | 4.46 | 72,536 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,289 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,988 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,077 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,535 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,811 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,814 |
| Every European Country Shape | 0 | - | 4.96 | 201,776 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,526 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,502 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,081 |
| Ireland Country Quiz | 0 | - | 4.69 | 134,564 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,339 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,679 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,097 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,170 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,144 |
| Name the English Monarchs | 0 | - | 4.91 | 502,830 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,099 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,522 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,049 |
| Hindu Countries | 0 | - | 4.86 | 50,169 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,579 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,747 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,513 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,824 |
| Presidential Middle Names | 0 | - | 4.41 | 60,276 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,358 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,604 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,437 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,072 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,238 |
| Random European Flag to Country | 0 | - | 4.89 | 182,535 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,404 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,516 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,810 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,747 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,228 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,960 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,543 |
| Germany A-Z | 0 | - | 4.56 | 62,620 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,781 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,057 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,798 |
| The Trojan War | 0 | - | 4.83 | 39,734 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,480 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,446 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,879 |
| Italy A-Z | 0 | - | 4.49 | 58,328 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,054 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,545 |
| Roman Emperors | 0 | - | 4.95 | 120,083 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,594 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,881 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,563 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,258 |
| Middle Earth Geography | 0 | - | 4.56 | 39,815 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,482 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,838 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,446 |
| British History A-Z #1 | 0 | - | 4.45 | 46,494 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,683 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,369 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,168 |
| Scotland A-Z | 0 | - | 4.73 | 41,286 |
| Pope Facts | 0 | - | 4.39 | 31,252 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,760 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,952 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,177 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,455 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,335 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,988 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,997 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,034 |
| The American Revolution | 0 | - | 4.52 | 54,259 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,845 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,252 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,655 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,587 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 318,683 |
| History of Russia Quiz | 0 | - | 4.47 | 31,921 |
| Flags of Countries That Border France | 0 | - | 4.88 | 123,098 |
| Flags of Countries that Border Germany | 0 | - | 4.85 | 97,227 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 74,956 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,962 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,623 |
| History of Italy | 0 | - | 4.55 | 31,980 |
| Italy by Picture | 0 | - | 4.41 | 30,941 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,232 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,664 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,241 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,289 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,874 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,267 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,391 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,867 |
| Animals in British History | 0 | - | 4.43 | 26,009 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,750 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 859,753 |
| The Vietnam War | 0 | - | 4.44 | 35,531 |
| History of India | 0 | - | 4.62 | 21,431 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,248 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,915 |
| History of South Africa | 0 | - | 4.60 | 17,692 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,164 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,529 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,865 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,280 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,262 |
| First Ladies of the United States | 0 | - | 4.28 | 85,651 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,957 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,228 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,101 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,201 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,966 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,830 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,814 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,906 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,349 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,995 |
| Most Forested European Countries | 0 | - | 4.80 | 75,345 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,633 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,442 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,262 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,586 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,137 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,037 |
| History of Austria | 0 | - | 4.70 | 17,863 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,174 |
| Geography of the French Empire | 0 | - | 4.45 | 27,061 |
| The French Revolution | 0 | - | 4.47 | 23,942 |
| History of France | 0 | - | 4.59 | 56,998 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,311 |
| German History A-Z | 0 | - | 4.49 | 24,617 |
| Mythology A-Z | 0 | - | 4.31 | 37,225 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,017 |
| Countries that Beat Ireland | 0 | - | 4.40 | 34,307 |
