| Prime Ministers of the UK | 0 | - | 4.95 | 438,998 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,475 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,698,774 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,451 |
| Name that Greek Letter | 0 | - | 4.93 | 323,456 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,797 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,992 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,784 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,350 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,942 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,488 |
| Ancient Greek Words | 0 | - | 4.93 | 111,605 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,880 |
| Soviet Leaders 1917–1991 | 0 | - | 4.44 | 95,014 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,191 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,621 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,209 |
| Countries of the Popes | 0 | - | 4.79 | 128,112 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,534 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,465 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,626 |
| Monty Python Quotes | 0 | - | 4.88 | 42,465 |
| Country by Photo of its Leader | 0 | - | 4.72 | 124,071 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,734 |
| German History A-Z | 0 | - | 4.49 | 24,607 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,455 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,467 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,586 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,617 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,440 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,117 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,135 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,861 |
| British History A-Z #1 | 0 | - | 4.45 | 46,483 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,081 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,675 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,068 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,460 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,731 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,493 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,806 |
| Presidential Middle Names | 0 | - | 4.41 | 60,251 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,344 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,598 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,991 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,434 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,807 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,305 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,220 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,379 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,568 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,340 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,864 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,683 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,014 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,890 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,595 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,743 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,499 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,810 |
| All Countries that Once Bordered Germany | 0 | - | 4.34 | 74,947 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,010 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,478 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,557 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,646 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,816 |
| Pope Facts | 0 | - | 4.39 | 31,247 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,684 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,865 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,605 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,879 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,414 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,339 |
| Countries of the German Empire | 0 | - | 4.51 | 37,940 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,085 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,994 |
| UK Immigration by Country | 0 | - | 4.94 | 140,904 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,800 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,217 |
| Name the English Monarchs | 0 | - | 4.91 | 502,675 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,235 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,568 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,533 |
| U.S. Vice Presidents | 0 | - | 4.39 | 136,270 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,259 |
| First Ladies of the United States | 0 | - | 4.28 | 85,640 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,955 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,228 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 77,094 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 16,195 |
| Add a Letter - Make a U.S. President | 0 | - | 4.57 | 23,965 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,798 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,828 |
| Every European Country Shape | 0 | - | 4.96 | 201,687 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,041 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,493 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,731 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,814 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,209 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,386 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,776 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,708 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,206 |
| Germany by Picture | 0 | - | 4.39 | 29,741 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,038 |
| The Trojan War | 0 | - | 4.83 | 39,728 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,850 |
| Ireland Country Quiz | 0 | - | 4.69 | 134,547 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,605 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,535 |
| Roman Emperors | 0 | - | 4.95 | 120,051 |
| Roman History by Picture | 0 | - | 4.46 | 26,466 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,123 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,581 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,165 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,864 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,283 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,123 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,538 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,242 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,373 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,410 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,603 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,840 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,426 |
| National Founders | 0 | - | 4.40 | 83,842 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,636 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,730 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,651 |
| The John Adams Presidency | 0 | - | 4.12 | 8,748 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,744 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,854 |
| The American Revolution | 0 | - | 4.52 | 54,255 |
| Random European Flag to Country | 0 | - | 4.89 | 182,465 |
| Flags of Countries That Border France | 0 | - | 4.88 | 122,997 |
| Flags of Countries that Border Germany | 0 | - | 4.85 | 97,127 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,852 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,001 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,198 |
| Countries that Beat Iceland | 0 | - | 4.82 | 42,866 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,248 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,873 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,444 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,353 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,107 |
| 2025–2026 English Premier League Teams | 0 | - | 4.85 | 859,544 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,949 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,171 |
| Flags of WW1 | 0 | - | 4.60 | 38,382 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,445 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,073 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,811 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 304,957 |
| The George Washington Presidency | 0 | - | 4.03 | 14,547 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,935 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,324 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,678 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 70,012 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,800 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,205 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,127 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,567 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,989 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,536 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 318,598 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,935 |
| History of Russia Quiz | 0 | - | 4.47 | 31,918 |
| Arms Exports - Russia | 0 | - | 4.49 | 25,137 |
| Countries that Beat Ireland | 0 | - | 4.40 | 34,301 |
| History of Italy | 0 | - | 4.55 | 31,975 |
| Italy by Picture | 0 | - | 4.41 | 30,936 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,897 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,661 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,237 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,866 |
| UK Rivers Map Quiz | 0 | - | 4.54 | 30,454 |
| British Places A-Z | 0 | - | 4.29 | 79,874 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,390 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 388,091 |
| Shakespearean Characters | 0 | - | 4.38 | 37,647 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,666 |
| Animals in British History | 0 | - | 4.43 | 26,006 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,273 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,744 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,823 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,257 |
| Communist Countries in History | 0 | - | 4.63 | 495,739 |
| History of India | 0 | - | 4.62 | 21,427 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,446 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,942 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,216 |
| History of South Africa | 0 | - | 4.60 | 17,689 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,368 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| History of Mexico | 0 | - | 4.58 | 15,309 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,513 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,982 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 627,665 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,500 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,192 |
