| Prime Ministers of the UK | 0 | - | 4.96 | 434,582 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,675 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,035 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,235 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,424 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,250 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,653,547 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,137 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,103 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,242 |
| Name the English Monarchs | 0 | - | 4.92 | 497,829 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,241 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,574 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,805 |
| Name that Greek Letter | 0 | - | 4.94 | 321,632 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,518 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,943 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,039 |
| Roman Emperors | 0 | - | 4.95 | 118,455 |
| Monty Python Quotes | 0 | - | 4.88 | 42,321 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,241 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,539 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,633 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,763 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,505 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,500 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,136 |
| Countries of the Popes | 0 | - | 4.79 | 127,196 |
| National Founders | 0 | - | 4.40 | 83,646 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,636 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,453 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,898 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,998 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,517 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,384 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,674 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,103 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,574 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,305 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,811 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,662 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,713 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,342 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,927 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,404 |
| 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 | 70,099 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,007 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,818 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,229 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,287 |
| Countries Bordering France | 0 | - | 4.83 | 398,888 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,007 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,312 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,070 |
| Political Movements by Country | 0 | - | 4.46 | 72,254 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,872 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,854 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,167 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,350 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,733 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,879 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,523 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,669 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,230 |
| Every European Country Shape | 0 | - | 4.96 | 200,126 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,192 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,138 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,959 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,661 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,511 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,771 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,521 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,795 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,283 |
| Counties of Ireland | 0 | - | 4.92 | 193,039 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,440 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,296 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,033 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,815 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,282 |
| UK Immigration by Country | 0 | - | 4.94 | 139,607 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,116 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 69,311 |
| Most-Visited Countries by the British | 0 | - | 4.63 | 68,075 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,584 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,710 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,756 |
| Scotland Trivia | 0 | - | 4.58 | 57,408 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,235 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,229 |
| Hindu Countries | 0 | - | 4.85 | 49,563 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,951 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,375 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,692 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,918 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,470 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,334 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,815 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,586 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,230 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,358 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,452 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,211 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,886 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,427 |
| Ireland Country Quiz | 0 | - | 4.69 | 133,870 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,868 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,529 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,661 |
| Roman Names for Places | 0 | - | 4.62 | 57,869 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,837 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,252 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,667 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,021 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,457 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,828 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,285 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,448 |
| British History A-Z #1 | 0 | - | 4.45 | 45,802 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,290 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,314 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,099 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,132 |
| Pope Facts | 0 | - | 4.39 | 31,037 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,322 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,937 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,972 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,916 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,937 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,468 |
| 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 | 34,736 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,164 |
| The American Revolution | 0 | - | 4.52 | 54,052 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,297 |
| Random European Flag to Country | 0 | - | 4.89 | 180,874 |
| History of Russia Quiz | 0 | - | 4.49 | 31,788 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,133 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,360 |
| All Countries that Once Bordered Germany | 0 | - | 4.33 | 74,586 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,983 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,013 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,422 |
| Ancient Greek Words | 0 | - | 4.92 | 110,684 |
| History of Italy | 0 | - | 4.55 | 31,813 |
| Italy by Picture | 0 | - | 4.41 | 30,735 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,364 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,479 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,686 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,340 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,807 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,979 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,663 |
| UK Baby Girl Names by Decade | 0 | - | 4.36 | 159,172 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 131,037 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,383 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,797 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,269 |
| English Royal Consorts | 0 | - | 4.37 | 37,157 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,606 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,095 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 851,300 |
| Scotland A-Z | 0 | - | 4.73 | 41,037 |
| The Wales Quiz | 0 | - | 4.47 | 29,004 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,818 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,676 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,504 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,338 |
| 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 | 132,477 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,808 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,739 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,950 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,411 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,763 |
| German History A-Z | 0 | - | 4.49 | 24,216 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,301 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,954 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,709 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,478 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,146 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,684 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,391 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,100 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,033 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,595 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,086 |
| The Vietnam War | 0 | - | 4.43 | 35,291 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,858 |
| Communist Countries in History | 0 | - | 4.63 | 492,470 |
