| Prime Ministers of the UK | 0 | - | 4.96 | 434,582 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,763 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,653,514 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,804 |
| Name that Greek Letter | 0 | - | 4.94 | 321,632 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,669 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,266 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,505 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,499 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,675 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,451 |
| Ancient Greek Words | 0 | - | 4.92 | 110,683 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,364 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,424 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,449 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,249 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,136 |
| Countries of the Popes | 0 | - | 4.79 | 127,196 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,035 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,228 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,152 |
| Monty Python Quotes | 0 | - | 4.88 | 42,321 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,241 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,004 |
| German History A-Z | 0 | - | 4.49 | 24,216 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,312 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,635 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,517 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,301 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,211 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,478 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,100 |
| British History A-Z #1 | 0 | - | 4.45 | 45,802 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,508 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,314 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,998 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,305 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,916 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,935 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,467 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,995 |
| Presidential Middle Names | 0 | - | 4.41 | 59,695 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,727 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,808 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,735 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,164 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,811 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,662 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,383 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,712 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,340 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,927 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,403 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,384 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,098 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,007 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,817 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,229 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,287 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,633 |
| All Countries that Once Bordered Germany | 0 | - | 4.33 | 74,586 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,015 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,103 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,069 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,539 |
| Pope Facts | 0 | - | 4.39 | 31,037 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,574 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,871 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,854 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,523 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,235 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,133 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Countries of the German Empire | 0 | - | 4.51 | 37,656 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,953 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,813 |
| UK Immigration by Country | 0 | - | 4.94 | 139,607 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,116 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,146 |
| Name the English Monarchs | 0 | - | 4.92 | 497,826 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,234 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,951 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,375 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,163 |
| First Ladies of the United States | 0 | - | 4.28 | 85,239 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,813 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,110 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,267 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 15,998 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,832 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,228 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,682 |
| Every European Country Shape | 0 | - | 4.96 | 200,124 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,692 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,136 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,137 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,103 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,917 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,469 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,573 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,813 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,586 |
| Germany by Picture | 0 | - | 4.39 | 29,627 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,452 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,518 |
| Ireland Country Quiz | 0 | - | 4.69 | 133,870 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,456 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,039 |
| Roman Emperors | 0 | - | 4.95 | 118,454 |
| Roman History by Picture | 0 | - | 4.46 | 26,340 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,360 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,836 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,021 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,483 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,241 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,828 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,446 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,198 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,240 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,099 |
| The Reign of Queen Elizabeth II | 0 | - | 4.35 | 35,674 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,129 |
| National Founders | 0 | - | 4.40 | 83,646 |
| U.S. Presidential Running Mates | 0 | - | 4.40 | 28,460 |
| The Thomas Jefferson Presidency | 0 | - | 4.26 | 13,660 |
| Random U.S. Vice President to President | 0 | - | 4.39 | 30,497 |
| The John Adams Presidency | 0 | - | 4.12 | 8,676 |
| The Theodore Roosevelt Presidency | 0 | - | 4.39 | 7,682 |
| U.S. Vice Presidential Trivia | 0 | - | 4.26 | 12,770 |
| The American Revolution | 0 | - | 4.52 | 54,052 |
| Random European Flag to Country | 0 | - | 4.89 | 180,874 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,133 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,360 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,007 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,286 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,939 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,340 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,326 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,898 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,338 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,941 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,094 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 851,295 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,818 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,676 |
| Flags of WW1 | 0 | - | 4.60 | 37,931 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,936 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,879 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,669 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,338 |
| The George Washington Presidency | 0 | - | 4.03 | 14,475 |
| Franklin... or Theodore Roosevelt | 0 | - | 4.35 | 16,868 |
| U.S. Presidents to Win the Nobel Peace Prize | 0 | - | 4.34 | 18,207 |
| U.S. Presidential Knowledge - Multiple Choice | 0 | - | 4.36 | 21,609 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,396 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,506 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,476 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,780 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,297 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,739 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,950 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,024 |
| History of Russia Quiz | 0 | - | 4.49 | 31,788 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,763 |
| Countries that Beat Ireland | 0 | - | 4.39 | 34,092 |
| History of Italy | 0 | - | 4.55 | 31,813 |
| Italy by Picture | 0 | - | 4.41 | 30,735 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,709 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,479 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,979 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,382 |
| UK Rivers Map Quiz | 0 | - | 4.54 | 30,266 |
| British Places A-Z | 0 | - | 4.29 | 79,602 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,269 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,683 |
| Shakespearean Characters | 0 | - | 4.38 | 37,502 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,391 |
| Animals in British History | 0 | - | 4.44 | 25,869 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,033 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,595 |
| 10 Plagues of Egypt | 0 | - | 4.39 | 51,614 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,858 |
| Communist Countries in History | 0 | - | 4.63 | 492,463 |
| History of India | 0 | - | 4.61 | 21,281 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,165 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,099 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,503 |
| History of South Africa | 0 | - | 4.60 | 17,600 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,202 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| History of Mexico | 0 | - | 4.58 | 15,230 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,478 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,733 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,326 |
| U.S. Presidential Quotes | 0 | - | 4.37 | 44,360 |
| The George W. Bush Presidency | 0 | - | 4.06 | 32,086 |
| People in Pictures with Ronald Reagan | 0 | - | 4.35 | 40,444 |
| U.S. President Scramble | 0 | - | 4.40 | 116,192 |
