| Prime Ministers of the UK | 0 | - | 4.95 | 438,359 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,905 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,465 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,202 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 94,908 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,784 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,411 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,692,573 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,596 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,762 |
| Country by Photo of its Leader | 0 | - | 4.72 | 123,966 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,273 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,401 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,758 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,258 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,021 |
| Countries of the Popes | 0 | - | 4.79 | 127,992 |
| National Founders | 0 | - | 4.40 | 83,813 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,168 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,354 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,490 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,743 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,061 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,297 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,957 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,930 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,062 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,239 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,668 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,302 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,545 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,211 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,206 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,397 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,046 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 80,135 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,481 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,844 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,741 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,496 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,668 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,463 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,428 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,347 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,776 |
| Political Movements by Country | 0 | - | 4.46 | 72,497 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,731 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,526 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,209 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,489 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,951 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,067 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,837 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,776 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,651 |
| Every European Country Shape | 0 | - | 4.96 | 201,458 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,479 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,447 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,928 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,109 |
| Arms Exports - Russia | 0 | - | 4.48 | 25,129 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,536 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,284 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,857 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,189 |
| UK Immigration by Country | 0 | - | 4.94 | 140,784 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,630 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,011 |
| Name the English Monarchs | 0 | - | 4.91 | 502,045 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,124 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,590 |
| Hindu Countries | 0 | - | 4.86 | 50,075 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,507 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,516 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,876 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,027 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,832 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,968 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,628 |
| The Trojan War | 0 | - | 4.83 | 39,678 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,726 |
| Name that Greek Letter | 0 | - | 4.93 | 323,267 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,680 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,476 |
| Roman Emperors | 0 | - | 4.95 | 119,808 |
| Monty Python Quotes | 0 | - | 4.88 | 42,448 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,278 |
| Pope Facts | 0 | - | 4.39 | 31,222 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,941 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,392 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,277 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,604 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,355 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,685 |
| Presidential Middle Names | 0 | - | 4.41 | 60,171 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,248 |
| Assassinated U.S. Presidents | 0 | - | 4.62 | 94,522 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,960 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,388 |
| The American Revolution | 0 | - | 4.52 | 54,229 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,173 |
| Random European Flag to Country | 0 | - | 4.89 | 182,185 |
| History of Russia Quiz | 0 | - | 4.47 | 31,902 |
| Flags of Countries That Border France | 0 | - | 4.88 | 122,800 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,929 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,931 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,283 |
| Ancient Greek Words | 0 | - | 4.93 | 111,466 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,741 |
| History of Italy | 0 | - | 4.55 | 31,959 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,803 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,638 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,199 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,191 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,830 |
| Animals in British History | 0 | - | 4.44 | 25,988 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 858,510 |
| Scotland A-Z | 0 | - | 4.73 | 41,258 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,682 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,933 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,125 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,023 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,781 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,932 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,571 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,014 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,703 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,838 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,947 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,257 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,798 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,717 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,878 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,582 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,708 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,704 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,206 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 387,784 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,636 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,772 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,243 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,724 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,863 |
| The Vietnam War | 0 | - | 4.44 | 35,503 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,205 |
| Communist Countries in History | 0 | - | 4.63 | 495,265 |
| History of India | 0 | - | 4.62 | 21,409 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,419 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,233 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,852 |
| History of South Africa | 0 | - | 4.60 | 17,675 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,383 |
| Australian Capitals | 0 | - | 4.92 | 62,713 |
| History of Mexico | 0 | - | 4.58 | 15,300 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,562 |
| American Political Words | 0 | - | 4.39 | 23,406 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,143 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,511 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,856 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,158 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,247 |
| First Ladies of the United States | 0 | - | 4.28 | 85,589 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,942 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,212 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,006 |
| U.S. President Scramble | 0 | - | 4.40 | 116,708 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,177 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,946 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,166 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,861 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,813 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,057 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,599 |
| Official European Union Languages | 0 | - | 4.97 | 238,317 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,728 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,854 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,326 |
| Most Forested European Countries | 0 | - | 4.80 | 75,281 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,619 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,411 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,056 |
| Russia by Picture | 0 | - | 4.40 | 20,377 |
| History of Austria | 0 | - | 4.70 | 17,850 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,128 |
| Geography of the French Empire | 0 | - | 4.45 | 27,042 |
| The French Revolution | 0 | - | 4.46 | 23,922 |
| History of France | 0 | - | 4.59 | 56,917 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,263 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,449 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,964 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,894 |
| Mythology A-Z | 0 | - | 4.31 | 37,196 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,671 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,084 |
| Byzantine History | 0 | - | 4.91 | 28,787 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,739 |
| History of The Netherlands | 0 | - | 4.46 | 17,425 |
| The Vikings! | 0 | - | 4.46 | 28,334 |
| The Portuguese Empire | 0 | - | 4.58 | 12,057 |
| Arthurian Legend | 0 | - | 4.33 | 25,105 |
