| Two Letter Roman Numerals | 0 | - | 4.97 | 55,665 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,892 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,968 |
| Byzantine History | 0 | - | 4.91 | 28,651 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,622 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,116 |
| Roman Emperors | 0 | - | 4.95 | 118,619 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,062 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,868 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,191 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,475 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,074 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,533 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,568 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,212 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,117 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,329 |
| Ancient Greek Words | 0 | - | 4.92 | 110,807 |
| Regions of Italy | 0 | - | 4.92 | 74,852 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,565 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,709 |
| Roman Names for Places | 0 | - | 4.62 | 57,919 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,659,689 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,588 |
| Italy Country Quiz | 0 | - | 4.82 | 122,341 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,530 |
| History of Italy | 0 | - | 4.55 | 31,845 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,389 |
| Roman History by Picture | 0 | - | 4.46 | 26,353 |
| Name the English Monarchs | 0 | - | 4.92 | 498,519 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,766 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,645 |
| Name that Greek Letter | 0 | - | 4.94 | 321,872 |
| Mythology A-Z | 0 | - | 4.31 | 37,027 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,502 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,453 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,094 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,554 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,190 |
| The Trojan War | 0 | - | 4.83 | 39,469 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,717 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,017 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,948 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,974 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,119 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,619 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,245 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,562 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,750 |
| The Only European Country ... | 0 | - | 4.91 | 214,149 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,758 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,683 |
| Roman to Greek God | 0 | - | 4.52 | 122,296 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,433 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,747 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,188 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,318 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,452 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,203 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,698 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,814 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,810 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,400 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,600 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,558 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,096 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,310 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,871 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,489 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,378 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,290 |
| Slavic Countries | 0 | - | 4.96 | 110,952 |
| History of Russia Quiz | 0 | - | 4.49 | 31,803 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,979 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,213 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,498 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,005 |
| Counties of England | 0 | - | 4.97 | 790,017 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,580 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 42,295 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,557 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,570 |
| Champions League Winners | 0 | - | 4.92 | 997,456 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,897 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,018 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,929 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,716 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,436 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,331 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,196 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,111 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,520 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,027 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,909 |
| Monarchies of Europe | 0 | - | 4.90 | 97,413 |
| European Countries with One Border | 0 | - | 4.97 | 181,752 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,650 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,798 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,442 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,383 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,370 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,207 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,385 |
| Russia Country Quiz | 0 | - | 4.85 | 113,737 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,361 |
| Countries That Border Russia | 0 | - | 4.98 | 459,354 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,918 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,278 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,086 |
| History of Austria | 0 | - | 4.70 | 17,767 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,333 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,344 |
| Departments of France | 0 | - | 4.93 | 52,950 |
| Geography of the French Empire | 0 | - | 4.45 | 26,950 |
| The French Revolution | 0 | - | 4.46 | 23,805 |
| Countries Bordering France | 0 | - | 4.83 | 400,006 |
| History of France | 0 | - | 4.59 | 56,209 |
| Germany Country Quiz | 0 | - | 4.82 | 156,721 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,839 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,274 |
| States of Germany | 0 | - | 4.96 | 150,360 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,396 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,121 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,299 |
| Countries of the German Empire | 0 | - | 4.51 | 37,692 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,804 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,790 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,204 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,051 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,909 |
| The Vikings! | 0 | - | 4.46 | 28,254 |
| The Portuguese Empire | 0 | - | 4.54 | 12,001 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,162 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,504 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,744 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,397 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,113 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,470 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,217 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,897 |
| Geography of the British Empire | 0 | - | 4.48 | 39,510 |
| Medieval English History | 0 | - | 4.53 | 43,336 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,614 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,559 |
| England or Wales? | 0 | - | 4.94 | 45,372 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,271 |
| Countries of the Popes | 0 | - | 4.79 | 127,316 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,676 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,372 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,009 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,397 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,823 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,910 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,895 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,082 |
| Countries that Border Poland | 0 | - | 4.99 | 171,467 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,429 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,991 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,759 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,763 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,832 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,546 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,849 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,578 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,849 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,665 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,492 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,575 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,531 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,983 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,470 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,209 |
| Counties of Ireland | 0 | - | 4.92 | 193,280 |
| Italy A-Z | 0 | - | 4.49 | 57,798 |
| Italian History A-Z | 0 | - | 4.21 | 17,555 |
| History of The Netherlands | 0 | - | 4.46 | 17,329 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,922 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,746 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,048 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,470 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,521 |
| Arthurian Legend | 0 | - | 4.33 | 25,055 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,917 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,839 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,223 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,429 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,634 |
| British History A-Z #1 | 0 | - | 4.45 | 46,139 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,347 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,371 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,980 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,852 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,187 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,075 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,816 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,825 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,842 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,666 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,084 |
| U.S. Vice Presidents | 0 | - | 4.41 | 135,137 |
