| Prime Ministers of the UK | 0 | - | 4.95 | 438,311 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,900 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,462 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,394 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,164 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,758 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,251 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,190 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,899 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,391 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,692,214 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,586 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,756 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,957 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,653 |
| Name that Greek Letter | 0 | - | 4.93 | 323,254 |
| Monty Python Quotes | 0 | - | 4.88 | 42,447 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,773 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,780 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,729 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,009 |
| Countries of the Popes | 0 | - | 4.79 | 127,988 |
| National Founders | 0 | - | 4.40 | 83,811 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,152 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,345 |
| Ancient Greek Words | 0 | - | 4.93 | 111,455 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,798 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,734 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,059 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,279 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,530 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,206 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,945 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,199 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,385 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,488 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,928 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,853 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,056 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,211 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,634 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,666 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,714 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,522 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,478 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,290 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,835 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,028 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 79,953 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,457 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,827 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,731 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,102 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,664 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,461 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,428 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,849 |
| UK Immigration by Country | 0 | - | 4.94 | 140,777 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,610 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,175 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,206 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,119 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,522 |
| Political Movements by Country | 0 | - | 4.46 | 72,493 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,204 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,950 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,067 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,515 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,776 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,642 |
| Every European Country Shape | 0 | - | 4.96 | 201,447 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,476 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,441 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,921 |
| Ireland Country Quiz | 0 | - | 4.69 | 134,453 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,283 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,602 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,042 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,139 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,001 |
| Name the English Monarchs | 0 | - | 4.91 | 501,986 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,006 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 400,753 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,937 |
| Hindu Countries | 0 | - | 4.86 | 50,069 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,506 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,599 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,349 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,684 |
| Presidential Middle Names | 0 | - | 4.41 | 60,165 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,244 |
| Assassinated U.S. Presidents | 0 | - | 4.62 | 94,514 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,387 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,868 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,013 |
| Random European Flag to Country | 0 | - | 4.89 | 182,168 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,263 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,489 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,600 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,587 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,116 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,926 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,170 |
| Germany A-Z | 0 | - | 4.56 | 62,567 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,480 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,968 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,781 |
| The Trojan War | 0 | - | 4.83 | 39,675 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,422 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,409 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,668 |
| Italy A-Z | 0 | - | 4.49 | 58,221 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,790 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,466 |
| Roman Emperors | 0 | - | 4.95 | 119,793 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,476 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,716 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,455 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,144 |
| Middle Earth Geography | 0 | - | 4.56 | 39,784 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,412 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,801 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,270 |
| British History A-Z #1 | 0 | - | 4.45 | 46,438 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,617 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,315 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,813 |
| Scotland A-Z | 0 | - | 4.73 | 41,257 |
| Pope Facts | 0 | - | 4.39 | 31,221 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,681 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,932 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,118 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,387 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,274 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,768 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,958 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,925 |
| The American Revolution | 0 | - | 4.52 | 54,229 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,550 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,002 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,142 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,240 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,772 |
| History of Russia Quiz | 0 | - | 4.47 | 31,899 |
| Flags of Countries That Border France | 0 | - | 4.88 | 122,787 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,926 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 74,907 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,244 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,570 |
| History of Italy | 0 | - | 4.55 | 31,957 |
| Italy by Picture | 0 | - | 4.41 | 30,910 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,650 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,637 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,197 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,185 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,825 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,167 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,376 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,769 |
| Animals in British History | 0 | - | 4.44 | 25,987 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,720 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 858,397 |
| The Vietnam War | 0 | - | 4.44 | 35,500 |
| History of India | 0 | - | 4.62 | 21,409 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,014 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,846 |
| History of South Africa | 0 | - | 4.60 | 17,674 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,142 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,510 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,855 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,149 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,247 |
| First Ladies of the United States | 0 | - | 4.28 | 85,585 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,939 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,212 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,001 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,174 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,944 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,812 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,695 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,602 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,324 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,943 |
| Most Forested European Countries | 0 | - | 4.80 | 75,274 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,618 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,410 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,044 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,670 |
| Arms Exports - Russia | 0 | - | 4.48 | 25,129 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,964 |
| History of Austria | 0 | - | 4.70 | 17,850 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,127 |
| Geography of the French Empire | 0 | - | 4.45 | 27,040 |
| The French Revolution | 0 | - | 4.46 | 23,920 |
| History of France | 0 | - | 4.59 | 56,914 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,260 |
| German History A-Z | 0 | - | 4.49 | 24,590 |
| Mythology A-Z | 0 | - | 4.31 | 37,193 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,646 |
| Countries that Beat Ireland | 0 | - | 4.40 | 34,270 |
