| Two Letter Roman Numerals | 0 | - | 4.97 | 55,581 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,355 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,271 |
| Byzantine History | 0 | - | 4.91 | 28,597 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,390 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,008 |
| Roman Emperors | 0 | - | 4.95 | 118,358 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,001 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,633 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,775 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,448 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,836 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,340 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,298 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,033 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,948 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,277 |
| Ancient Greek Words | 0 | - | 4.92 | 110,607 |
| Regions of Italy | 0 | - | 4.92 | 74,625 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,522 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,649 |
| Roman Names for Places | 0 | - | 4.62 | 57,847 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,650,614 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,498 |
| Italy Country Quiz | 0 | - | 4.82 | 122,120 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,307 |
| History of Italy | 0 | - | 4.55 | 31,805 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,349 |
| Roman History by Picture | 0 | - | 4.46 | 26,333 |
| Name the English Monarchs | 0 | - | 4.92 | 497,598 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,858 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,458 |
| Name that Greek Letter | 0 | - | 4.94 | 321,495 |
| Mythology A-Z | 0 | - | 4.31 | 36,972 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,400 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,209 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,333 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,974 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,113 |
| The Trojan War | 0 | - | 4.83 | 39,404 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,434 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,921 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,828 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,943 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,109 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,266 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,826 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,158 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,417 |
| The Only European Country ... | 0 | - | 4.91 | 213,617 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,400 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,661 |
| Roman to Greek God | 0 | - | 4.52 | 122,151 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,329 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,635 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,074 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,925 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,246 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,192 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,106 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,033 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,631 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,233 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,157 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,428 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,659 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,686 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,611 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,262 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,189 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,095 |
| Slavic Countries | 0 | - | 4.96 | 110,800 |
| History of Russia Quiz | 0 | - | 4.49 | 31,781 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,912 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,143 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,470 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,966 |
| Counties of England | 0 | - | 4.97 | 788,666 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,368 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 42,256 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,544 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,454 |
| Champions League Winners | 0 | - | 4.92 | 995,559 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,833 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,763 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,812 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,658 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,287 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,191 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,064 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,988 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,273 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,745 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,723 |
| Monarchies of Europe | 0 | - | 4.90 | 97,251 |
| European Countries with One Border | 0 | - | 4.97 | 181,517 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,156 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,335 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,047 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,162 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,001 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,458 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,118 |
| Russia Country Quiz | 0 | - | 4.85 | 113,593 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,751 |
| Countries That Border Russia | 0 | - | 4.98 | 458,687 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,809 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,131 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,010 |
| History of Austria | 0 | - | 4.70 | 17,742 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,040 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,107 |
| Departments of France | 0 | - | 4.93 | 52,720 |
| Geography of the French Empire | 0 | - | 4.48 | 26,920 |
| The French Revolution | 0 | - | 4.46 | 23,760 |
| Countries Bordering France | 0 | - | 4.85 | 397,905 |
| History of France | 0 | - | 4.59 | 55,941 |
| Germany Country Quiz | 0 | - | 4.82 | 156,456 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,602 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,079 |
| States of Germany | 0 | - | 4.96 | 149,887 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,378 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,964 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,844 |
| Countries of the German Empire | 0 | - | 4.51 | 37,636 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,752 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,762 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,010 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,034 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,767 |
| The Vikings! | 0 | - | 4.45 | 28,237 |
| The Portuguese Empire | 0 | - | 4.54 | 11,984 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,902 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,198 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,553 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,082 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,865 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,166 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,159 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,728 |
| Geography of the British Empire | 0 | - | 4.48 | 39,465 |
| Medieval English History | 0 | - | 4.53 | 43,299 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,586 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,397 |
| England or Wales? | 0 | - | 4.94 | 45,290 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,024 |
| Countries of the Popes | 0 | - | 4.79 | 127,121 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,365 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,122 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,918 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,168 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,769 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,797 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,767 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,905 |
| Countries that Border Poland | 0 | - | 4.99 | 171,269 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,348 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,822 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,273 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,641 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,678 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,499 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,710 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,491 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,772 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,562 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,296 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,129 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,423 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,832 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,414 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,132 |
| Counties of Ireland | 0 | - | 4.92 | 192,896 |
| Italy A-Z | 0 | - | 4.49 | 57,657 |
| Italian History A-Z | 0 | - | 4.21 | 17,366 |
| History of The Netherlands | 0 | - | 4.46 | 17,303 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,784 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,620 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,006 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,185 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,425 |
| Arthurian Legend | 0 | - | 4.33 | 25,047 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,790 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,498 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,190 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,215 |
| British History A-Z #1 | 0 | - | 4.45 | 45,777 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,268 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,291 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,944 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,820 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,056 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,011 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,809 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,652 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,723 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,878 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,429 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,814 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,883 |
