| Prime Ministers of the UK | 0 | - | 4.96 | 434,714 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,686 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,052 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,274 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,447 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,310 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,655,172 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,169 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,116 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,293 |
| Name the English Monarchs | 0 | - | 4.92 | 498,007 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,276 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,657 |
| The Trojan War | 0 | - | 4.83 | 39,436 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,008 |
| Name that Greek Letter | 0 | - | 4.94 | 321,705 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,550 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,962 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,058 |
| Roman Emperors | 0 | - | 4.95 | 118,502 |
| Monty Python Quotes | 0 | - | 4.88 | 42,325 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,333 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,546 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,642 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,792 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,507 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,523 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,169 |
| Countries of the Popes | 0 | - | 4.79 | 127,235 |
| National Founders | 0 | - | 4.40 | 83,653 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,796 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,489 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,938 |
| Paramount Leaders of China | 0 | - | 4.36 | 11,002 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,600 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,481 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,693 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,624 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,207 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,575 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,348 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,881 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,682 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,765 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,370 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,969 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,441 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,433 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,128 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,031 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,852 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,246 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,293 |
| Countries Bordering France | 0 | - | 4.83 | 399,255 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,088 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,528 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,317 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,110 |
| Political Movements by Country | 0 | - | 4.46 | 72,264 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,912 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,873 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,186 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,371 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,742 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,883 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,530 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,670 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,274 |
| Every European Country Shape | 0 | - | 4.96 | 200,217 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,200 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,152 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,986 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,677 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,520 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,785 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,539 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,809 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,372 |
| Counties of Ireland | 0 | - | 4.92 | 193,123 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,463 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,352 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,086 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,911 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,333 |
| UK Immigration by Country | 0 | - | 4.94 | 139,669 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,191 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.42 | 69,330 |
| Most-Visited Countries by the British | 0 | - | 4.63 | 68,090 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,652 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,749 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,773 |
| Scotland Trivia | 0 | - | 4.58 | 57,411 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,285 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,260 |
| Hindu Countries | 0 | - | 4.86 | 49,594 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,967 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,377 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,732 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,964 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,508 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,339 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,838 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,609 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,319 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,395 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,471 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,224 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,915 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,440 |
| Ireland Country Quiz | 0 | - | 4.69 | 133,896 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,886 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,539 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,674 |
| Roman Names for Places | 0 | - | 4.62 | 57,879 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,865 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,266 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,686 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,026 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,474 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,851 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,300 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,508 |
| British History A-Z #1 | 0 | - | 4.45 | 45,860 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,300 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,326 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,122 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,284 |
| Pope Facts | 0 | - | 4.39 | 31,046 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,368 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,950 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,977 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,949 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,960 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,513 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,008 |
| Presidential Middle Names | 0 | - | 4.41 | 59,715 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,745 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,826 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,748 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,176 |
| The American Revolution | 0 | - | 4.52 | 54,059 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,400 |
| Random European Flag to Country | 0 | - | 4.89 | 180,931 |
| History of Russia Quiz | 0 | - | 4.49 | 31,795 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,159 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,376 |
| All Countries that Once Bordered Germany | 0 | - | 4.33 | 74,598 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,984 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,264 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,424 |
| Ancient Greek Words | 0 | - | 4.92 | 110,713 |
| History of Italy | 0 | - | 4.55 | 31,819 |
| Italy by Picture | 0 | - | 4.41 | 30,743 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,388 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,486 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,687 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,353 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,810 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,983 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,690 |
| UK Baby Girl Names by Decade | 0 | - | 4.36 | 159,228 |
| UK Baby Boy Names by Decade | 0 | - | 4.37 | 131,215 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,424 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,803 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,275 |
| English Royal Consorts | 0 | - | 4.37 | 37,166 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,616 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,169 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 851,599 |
| Scotland A-Z | 0 | - | 4.73 | 41,048 |
| The Wales Quiz | 0 | - | 4.47 | 29,007 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,821 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,688 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,555 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,396 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,429 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,577 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,526 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,819 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,750 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,992 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,581 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,764 |
| German History A-Z | 0 | - | 4.49 | 24,248 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,310 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,957 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,746 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,601 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,148 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,787 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,398 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,126 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,039 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,600 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,123 |
| The Vietnam War | 0 | - | 4.43 | 35,299 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,865 |
| Communist Countries in History | 0 | - | 4.63 | 492,564 |
