| Prime Ministers of the UK | 0 | - | 4.95 | 437,384 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,751 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,830 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,386 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,427 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,792 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,118 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,684,341 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,047 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,562 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,453 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,787 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,085 |
| Arms Exports - Russia | 0 | - | 4.48 | 25,112 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,222 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,673 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,047 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,816 |
| Countries of the Popes | 0 | - | 4.79 | 127,785 |
| National Founders | 0 | - | 4.40 | 83,774 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,586 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,163 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,554 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,049 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 380,856 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,147 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,079 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,644 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,924 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,133 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,377 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,881 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,851 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,962 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,801 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,640 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,526 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,324 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,952 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,064 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 72,766 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,774 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,047 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,189 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,634 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,535 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,004 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,561 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,425 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,404 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,641 |
| UK Immigration by Country | 0 | - | 4.94 | 140,564 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,273 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,929 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,699 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,891 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,753 |
| Political Movements by Country | 0 | - | 4.46 | 72,440 |
| Top 10 Richest Countries in Africa | 0 | - | 4.86 | 75,689 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,910 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,041 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,493 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,748 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,385 |
| Every European Country Shape | 0 | - | 4.96 | 201,155 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,417 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,365 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,671 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,263 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,006 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,657 |
| Name that Greek Letter | 0 | - | 4.93 | 322,927 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,227 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 74,829 |
| Name the English Monarchs | 0 | - | 4.91 | 501,037 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,769 |
| Hindu Countries | 0 | - | 4.86 | 49,952 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,348 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,455 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,157 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,502 |
| Presidential Middle Names | 0 | - | 4.41 | 60,057 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,126 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,372 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,333 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,618 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,786 |
| Random European Flag to Country | 0 | - | 4.89 | 181,825 |
| Russia by Picture | 0 | - | 4.40 | 20,350 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 70,464 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,402 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,878 |
| The Trojan War | 0 | - | 4.83 | 39,623 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,428 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,378 |
| Roman Emperors | 0 | - | 4.95 | 119,570 |
| Monty Python Quotes | 0 | - | 4.88 | 42,418 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,073 |
| Scotland A-Z | 0 | - | 4.73 | 41,190 |
| Pope Facts | 0 | - | 4.39 | 31,172 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,492 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,904 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,932 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,301 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,201 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,510 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,910 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,806 |
| The American Revolution | 0 | - | 4.52 | 54,197 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,154 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,707 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,435 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,950 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,307 |
| History of Russia Quiz | 0 | - | 4.49 | 31,870 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,615 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,793 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,245 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,504 |
| Ancient Greek Words | 0 | - | 4.93 | 111,260 |
| History of Italy | 0 | - | 4.55 | 31,927 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,708 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,809 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,601 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,149 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,071 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,776 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,588 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,699 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 856,808 |
| The Vietnam War | 0 | - | 4.44 | 35,460 |
| History of India | 0 | - | 4.61 | 21,383 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,721 |
| African Countries with the Most Muslims | 0 | - | 4.81 | 100,718 |
| History of South Africa | 0 | - | 4.60 | 17,654 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,130 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,499 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,853 |
| U.S. Vice Presidents | 0 | - | 4.39 | 135,921 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,233 |
| First Ladies of the United States | 0 | - | 4.28 | 85,479 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,909 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,190 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,886 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,138 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,921 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,780 |
| Europe Map Quiz | 0 | - | 5.00 | 4,752,455 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,282 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,896 |
| Most Forested European Countries | 0 | - | 4.80 | 75,202 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,604 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,346 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,852 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,791 |
| Russia A-Z | 0 | - | 4.46 | 27,214 |
| History of Austria | 0 | - | 4.70 | 17,826 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,086 |
| Geography of the French Empire | 0 | - | 4.45 | 27,015 |
| The French Revolution | 0 | - | 4.46 | 23,889 |
| History of France | 0 | - | 4.59 | 56,762 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,453 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,193 |
| Mythology A-Z | 0 | - | 4.31 | 37,153 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,265 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,468 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,406 |
| The Vikings! | 0 | - | 4.46 | 28,308 |
| The Portuguese Empire | 0 | - | 4.58 | 12,043 |
| Arthurian Legend | 0 | - | 4.33 | 25,090 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,686 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,241 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,184 |
| Name the James Bond Movies | 0 | - | 4.56 | 158,248 |
| James Bond Trivia | 0 | - | 4.46 | 39,237 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 387,286 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,560 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,295 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,240 |
| Geography of the British Empire | 0 | - | 4.48 | 39,619 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,906 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,200 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,498 |
| History of Iran | 0 | - | 4.66 | 16,330 |
| The Iraq War | 0 | - | 4.47 | 15,626 |
| History of China | 0 | - | 4.37 | 56,998 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,123 |
| Communist Countries in History | 0 | - | 4.63 | 494,596 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,372 |
| Countries of Africa | 0 | - | 5.00 | 2,527,470 |
| Africa Map Quiz | 0 | - | 5.00 | 2,113,355 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,488 |
| African East Coast | 0 | - | 4.96 | 95,723 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,535 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,838 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,394 |
| Australian Capitals | 0 | - | 4.92 | 62,686 |
| Australia A-Z | 0 | - | 4.54 | 49,928 |
| Australia Map Quiz | 0 | - | 4.95 | 343,653 |
| History of Mexico | 0 | - | 4.58 | 15,287 |
