| Prime Ministers of the UK | 0 | - | 4.96 | 434,534 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,416 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,675 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,033 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,442 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,217 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,630 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,228 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,653,052 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,125 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,097 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,686 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,321 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,806 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,230 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,221 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,759 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,503 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,493 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,120 |
| Countries of the Popes | 0 | - | 4.79 | 127,185 |
| National Founders | 0 | - | 4.40 | 83,645 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,596 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,338 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,285 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,886 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,998 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,509 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,612 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,087 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,572 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,297 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,793 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,908 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,390 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,361 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,084 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,514 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,064 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,537 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,853 |
| Political Movements by Country | 0 | - | 4.46 | 72,254 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,849 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,850 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,347 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,732 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,508 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,132 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,656 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,938 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,309 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,778 |
| UK Immigration by Country | 0 | - | 4.94 | 139,594 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,108 |
| Name the English Monarchs | 0 | - | 4.92 | 497,785 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,217 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,223 |
| Hindu Countries | 0 | - | 4.85 | 49,552 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,164 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,946 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,878 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,374 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,669 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,221 |
| Every European Country Shape | 0 | - | 4.96 | 200,100 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,680 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,187 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,895 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,945 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,451 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,532 |
| The Trojan War | 0 | - | 4.83 | 39,423 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,753 |
| Name that Greek Letter | 0 | - | 4.94 | 321,618 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,505 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,036 |
| Roman Emperors | 0 | - | 4.95 | 118,434 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,230 |
| Monty Python Quotes | 0 | - | 4.88 | 42,320 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,210 |
| Pope Facts | 0 | - | 4.39 | 31,034 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,315 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,930 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,895 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,925 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,456 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,991 |
| Presidential Middle Names | 0 | - | 4.41 | 59,690 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,718 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,800 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,161 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,276 |
| Random European Flag to Country | 0 | - | 4.89 | 180,869 |
| History of Russia Quiz | 0 | - | 4.49 | 31,788 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,334 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,669 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,893 |
| History of Italy | 0 | - | 4.55 | 31,813 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,477 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,978 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,379 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,544 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 851,225 |
| Scotland A-Z | 0 | - | 4.73 | 41,032 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,817 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,672 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,488 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,969 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,325 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,733 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,383 |
| The American Revolution | 0 | - | 4.52 | 54,050 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,483 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,454 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,431 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,737 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,926 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,378 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,763 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,127 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,348 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,295 |
| Ancient Greek Words | 0 | - | 4.92 | 110,655 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,357 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,660 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,144 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,391 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,093 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,595 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,077 |
| The Vietnam War | 0 | - | 4.43 | 35,288 |
| Communist Countries in History | 0 | - | 4.63 | 492,434 |
| History of India | 0 | - | 4.61 | 21,278 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,007 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,400 |
| History of South Africa | 0 | - | 4.60 | 17,599 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,154 |
| Australian Capitals | 0 | - | 4.92 | 62,592 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,073 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,460 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,806 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,163 |
| First Ladies of the United States | 0 | - | 4.28 | 85,230 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,110 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,261 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 15,998 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,829 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,682 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,571 |
| Official European Union Languages | 0 | - | 4.97 | 236,488 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,685 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,120 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,149 |
| Most Forested European Countries | 0 | - | 4.80 | 74,898 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,530 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,181 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,126 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,678 |
| History of Austria | 0 | - | 4.70 | 17,743 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,869 |
| Geography of the French Empire | 0 | - | 4.48 | 26,924 |
| The French Revolution | 0 | - | 4.46 | 23,778 |
| History of France | 0 | - | 4.59 | 56,004 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,382 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,927 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,896 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,694 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,446 |
| The Vikings! | 0 | - | 4.45 | 28,244 |
| The Portuguese Empire | 0 | - | 4.54 | 11,989 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| Biggest British Empire Countries | 0 | - | 4.73 | 90,488 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,033 |
| Name the James Bond Movies | 0 | - | 4.56 | 157,421 |
| James Bond Trivia | 0 | - | 4.46 | 39,135 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,667 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,167 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,758 |
| Geography of the British Empire | 0 | - | 4.48 | 39,469 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,504 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,031 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,809 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,622 |
| Asia Map Quiz | 0 | - | 4.99 | 906,820 |
| History of Iran | 0 | - | 4.65 | 16,270 |
| History of China | 0 | - | 4.37 | 56,684 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,882 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,149 |
| Countries by Founding Story | 0 | - | 4.95 | 76,510 |
| Independence from Whom | 0 | - | 4.99 | 209,631 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,710 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,986 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,163 |
| Countries of Africa | 0 | - | 5.00 | 2,507,062 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,795 |
| African East Coast | 0 | - | 4.96 | 95,020 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,903 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,780 |
| Australia A-Z | 0 | - | 4.54 | 49,779 |
| Australia Map Quiz | 0 | - | 4.94 | 342,432 |
