| Prime Ministers of the UK | 0 | - | 4.96 | 435,051 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,712 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,117 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,408 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,493 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,456 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,659,178 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,244 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,170 |
| Name the English Monarchs | 0 | - | 4.92 | 498,458 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,340 |
| The Trojan War | 0 | - | 4.83 | 39,467 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,706 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,116 |
| Roman Emperors | 0 | - | 4.95 | 118,616 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,480 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,766 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,585 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,664 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,847 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,528 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,593 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,261 |
| Countries of the Popes | 0 | - | 4.79 | 127,308 |
| National Founders | 0 | - | 4.40 | 83,673 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,062 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,559 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,010 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,010 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,768 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,684 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,745 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,663 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,399 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,450 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,070 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,746 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,864 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,482 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,061 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,516 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,552 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,201 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,107 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,934 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,293 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,316 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,581 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,328 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,241 |
| Animals in British History | 0 | - | 4.44 | 25,888 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,564 |
| Political Movements by Country | 0 | - | 4.46 | 72,294 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,011 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,921 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,220 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,426 |
| The Dictator Files: Fidel Castro | 0 | - | 4.19 | 12,265 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,766 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,893 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,560 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,673 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,393 |
| Every European Country Shape | 0 | - | 4.96 | 200,366 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,237 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,189 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,071 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,724 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,803 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,785 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,013 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,444 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,067 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,184 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,593 |
| UK Immigration by Country | 0 | - | 4.94 | 139,785 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,366 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,374 |
| Medieval English History | 0 | - | 4.53 | 43,334 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,366 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,318 |
| WWII Geography | 0 | - | 4.81 | 119,426 |
| Hindu Countries | 0 | - | 4.86 | 49,640 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,003 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,386 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,850 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,063 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,599 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,355 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,823 |
| French History Multiple Choice | 0 | - | 4.55 | 32,892 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,594 |
| Name that Greek Letter | 0 | - | 4.94 | 321,844 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,977 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,468 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,565 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,705 |
| Roman Names for Places | 0 | - | 4.62 | 57,917 |
| Monty Python Quotes | 0 | - | 4.88 | 42,342 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,633 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,337 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,976 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,852 |
| Pope Facts | 0 | - | 4.39 | 31,065 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,533 |
| Countries in World War I | 0 | - | 4.88 | 226,729 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,423 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 54,008 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,003 |
| U.S. Vice Presidents | 0 | - | 4.41 | 135,109 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,030 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,618 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,070 |
| Presidential Middle Names | 0 | - | 4.41 | 59,755 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,802 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,894 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,765 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,195 |
| The American Revolution | 0 | - | 4.52 | 54,071 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,638 |
| Random European Flag to Country | 0 | - | 4.89 | 181,050 |
| History of Russia Quiz | 0 | - | 4.49 | 31,803 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,231 |
| Kings of France Quiz | 0 | - | 4.20 | 32,576 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,438 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,860 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,430 |
| Ancient Greek Words | 0 | - | 4.92 | 110,794 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,483 |
| History of Italy | 0 | - | 4.55 | 31,842 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,430 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,119 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,496 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,003 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,743 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,572 |
| English Royal Consorts | 0 | - | 4.37 | 37,202 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,135 |
| History of Scotland | 0 | - | 4.51 | 21,011 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 852,354 |
| Scotland A-Z | 0 | - | 4.73 | 41,070 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,829 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,717 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,687 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,510 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,492 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,737 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,674 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,415 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,774 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,146 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,834 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,767 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,651 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,326 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,857 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,922 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,150 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 386,003 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,408 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,185 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,071 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,613 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,263 |
| The Vietnam War | 0 | - | 4.43 | 35,322 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,895 |
| Communist Countries in History | 0 | - | 4.63 | 492,841 |
| History of India | 0 | - | 4.61 | 21,298 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,202 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,681 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,469 |
| History of South Africa | 0 | - | 4.60 | 17,613 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,015 |
| Australian Capitals | 0 | - | 4.92 | 62,599 |
| History of Mexico | 0 | - | 4.58 | 15,238 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,444 |
| American Political Words | 0 | - | 4.39 | 23,347 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,080 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,469 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,814 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,172 |
| First Ladies of the United States | 0 | - | 4.28 | 85,275 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,823 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,121 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,416 |
| U.S. President Scramble | 0 | - | 4.40 | 116,261 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,017 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,848 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 23,039 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,718 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,698 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,648 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,264 |
| Official European Union Languages | 0 | - | 4.97 | 237,081 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,842 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,531 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,177 |
| Most Forested European Countries | 0 | - | 4.80 | 74,959 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,544 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,200 |
