| Prime Ministers of the UK | 0 | - | 4.96 | 434,012 |
| The Dictator Files: Vladimir Lenin | 0 | - | 4.45 | 26,610 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,638 |
| Canadian Prime Ministers | 0 | - | 4.63 | 56,960 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,068 |
| Soviet Leaders 1917–1991 | 0 | - | 4.43 | 94,342 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,088 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,648,102 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,029 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,035 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,306 |
| Country by Photo of its Leader | 0 | - | 4.74 | 123,132 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,348 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,753 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,675 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,475 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,403 |
| Name the Popes Quiz | 0 | - | 4.47 | 136,937 |
| Countries of the Popes | 0 | - | 4.79 | 127,060 |
| National Founders | 0 | - | 4.40 | 83,613 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,218 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,347 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,776 |
| Paramount Leaders of China | 0 | - | 4.36 | 10,985 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,311 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,152 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 93,470 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,540 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,851 |
| The Dictator Files: Chairman Mao | 0 | - | 4.28 | 20,559 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,137 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,578 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,588 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,548 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,180 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,746 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,280 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,223 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,973 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,893 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,682 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,172 |
| The Dictator Files: Joseph Stalin | 0 | - | 4.37 | 48,258 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,480 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,291 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,918 |
| All UK Parliament Constituencies on a Map | 0 | - | 4.60 | 28,510 |
| Political Movements by Country | 0 | - | 4.46 | 72,220 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,693 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,772 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,122 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,281 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,703 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 28,868 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,475 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.49 | 11,660 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,109 |
| Every European Country Shape | 0 | - | 4.95 | 199,819 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,145 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,088 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,832 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,603 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,111 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,905 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,269 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,657 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,378 |
| UK Immigration by Country | 0 | - | 4.94 | 139,478 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 137,947 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,136 |
| Name the English Monarchs | 0 | - | 4.92 | 497,307 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,062 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,143 |
| Hindu Countries | 0 | - | 4.85 | 49,439 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,883 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,363 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,521 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,768 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,969 |
| Russia by Picture | 0 | - | 4.40 | 20,226 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,391 |
| The Trojan War | 0 | - | 4.83 | 39,391 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,106 |
| Name that Greek Letter | 0 | - | 4.94 | 321,404 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,322 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,954 |
| Roman Emperors | 0 | - | 4.95 | 118,269 |
| Monty Python Quotes | 0 | - | 4.88 | 42,298 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,056 |
| Pope Facts | 0 | - | 4.39 | 31,010 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,204 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,886 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,949 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,710 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,831 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,337 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 92,901 |
| Presidential Middle Names | 0 | - | 4.41 | 59,628 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,656 |
| Assassinated U.S. Presidents | 0 | - | 4.61 | 93,731 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,702 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,144 |
| The American Revolution | 0 | - | 4.52 | 54,029 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,971 |
| Random European Flag to Country | 0 | - | 4.89 | 180,700 |
| History of Russia Quiz | 0 | - | 4.49 | 31,770 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 70,115 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,041 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,634 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,278 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,508 |
| Ancient Greek Words | 0 | - | 4.92 | 110,531 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,027 |
| History of Italy | 0 | - | 4.55 | 31,796 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,292 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,458 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,957 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,600 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,353 |
| Animals in British History | 0 | - | 4.44 | 25,859 |
| 2025–2026 English Premier League Teams | 0 | - | 4.86 | 850,169 |
| Scotland A-Z | 0 | - | 4.73 | 41,007 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,805 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,640 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,312 |
| US Presidents - One Minute Sprint | 0 | - | 4.41 | 303,149 |
| Name a Valid U.S. President #2 | 0 | - | 4.54 | 69,306 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,962 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,249 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,892 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,714 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,666 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,010 |
| Russia A-Z | 0 | - | 4.46 | 27,124 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,308 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,257 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,549 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,056 |
| British Monopoly Board - Map Quiz | 0 | - | 4.47 | 20,135 |
| Shakespeare's Plays Quiz | 0 | - | 4.38 | 385,399 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,376 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,032 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,001 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,578 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,884 |
| The Vietnam War | 0 | - | 4.43 | 35,274 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,816 |
| Communist Countries in History | 0 | - | 4.63 | 492,054 |
| History of India | 0 | - | 4.61 | 21,262 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,125 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,545 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,344 |
| History of South Africa | 0 | - | 4.60 | 17,590 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,356 |
| Australian Capitals | 0 | - | 4.92 | 62,583 |
| History of Mexico | 0 | - | 4.58 | 15,216 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,433 |
| American Political Words | 0 | - | 4.39 | 23,327 |
| U.S. Political Figures by Picture #1 | 0 | - | 4.14 | 26,062 |
| U.S. Political Figures by Picture #2 | 0 | - | 4.10 | 15,451 |
| Female Political Figures by Picture - U.S. | 0 | - | 4.20 | 10,800 |
| U.S. Governors Who Ran For President | 0 | - | 4.47 | 20,155 |
| First Ladies of the United States | 0 | - | 4.28 | 85,189 |
| The Franklin D. Roosevelt Presidency | 0 | - | 4.43 | 23,807 |
| The Abraham Lincoln Presidency | 0 | - | 4.52 | 26,098 |
| U.S. Presidents in Order - Whammies | 0 | - | 4.32 | 76,178 |
| U.S. President Scramble | 0 | - | 4.40 | 116,134 |
| U.S. Vice Presidents Who Became President | 0 | - | 4.64 | 15,977 |
| Add a Letter - Make a U.S. President | 0 | - | 4.61 | 23,815 |
| U.S. Presidents With Facial Hair By Picture | 0 | - | 4.48 | 22,991 |
| People in Pictures with Barack Obama | 0 | - | 4.10 | 47,667 |
| Shortest U.S. Presidential Terms | 0 | - | 4.75 | 12,668 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,509 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,169 |
| Official European Union Languages | 0 | - | 4.97 | 236,324 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,589 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,795 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,123 |
| Most Forested European Countries | 0 | - | 4.80 | 74,849 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,517 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,141 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 215,995 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,414 |
| History of Austria | 0 | - | 4.70 | 17,734 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,839 |
| Geography of the French Empire | 0 | - | 4.48 | 26,910 |
| The French Revolution | 0 | - | 4.46 | 23,746 |
| History of France | 0 | - | 4.59 | 55,863 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,368 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,882 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 142,981 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,736 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,745 |
| Mythology A-Z | 0 | - | 4.31 | 36,953 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,644 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,674 |
| Byzantine History | 0 | - | 4.91 | 28,579 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,324 |
| History of The Netherlands | 0 | - | 4.46 | 17,296 |
| The Vikings! | 0 | - | 4.45 | 28,234 |
