| Two Letter Roman Numerals | 0 | - | 4.97 | 56,140 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,903 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,186 |
| Byzantine History | 0 | - | 4.91 | 28,868 |
| Byzantine Emperors | 0 | - | 4.92 | 14,152 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 102,896 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,538 |
| Roman Emperors | 0 | - | 4.95 | 120,066 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,479 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,914 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,993 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,015 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,606 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,410 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,956 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,694 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,028 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,901 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,619 |
| Ancient Greek Words | 0 | - | 4.93 | 111,624 |
| Regions of Italy | 0 | - | 4.92 | 75,896 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,751 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,937 |
| Roman Names for Places | 0 | - | 4.62 | 58,295 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,699,200 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,408 |
| History of Italy | 0 | - | 4.55 | 31,978 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,549 |
| Roman History by Picture | 0 | - | 4.46 | 26,467 |
| Name the English Monarchs | 0 | - | 4.91 | 502,752 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,472 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,546 |
| Name that Greek Letter | 0 | - | 4.93 | 323,473 |
| Mythology A-Z | 0 | - | 4.31 | 37,222 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,870 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,060 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,059 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,254 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,499 |
| The Trojan War | 0 | - | 4.83 | 39,732 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,865 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,022 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,334 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,497 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,087 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,183 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,401 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,059 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,507 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,276 |
| The Only European Country ... | 0 | - | 4.91 | 216,673 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,158 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,789 |
| Roman to Greek God | 0 | - | 4.52 | 122,834 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,885 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,275 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,864 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,307 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,738 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,254 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,373 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,824 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,679 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,219 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,745 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,163 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,545 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 171,919 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,391 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,585 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,301 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,203 |
| Slavic Countries | 0 | - | 4.96 | 111,670 |
| History of Russia Quiz | 0 | - | 4.47 | 31,919 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,307 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,776 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,661 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,239 |
| Counties of England | 0 | - | 4.97 | 796,922 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,868 |
| Lord of the Rings Decoder | 0 | - | 4.59 | 42,620 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,610 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,064 |
| Champions League Winners | 0 | - | 4.92 | 1,006,900 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,258 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,872 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,614 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,945 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,131 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,029 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,870 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,551 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,344 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,772 |
| Monarchies of Europe | 0 | - | 4.90 | 98,163 |
| European Countries with One Border | 0 | - | 4.97 | 182,793 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,592 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,294 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,855 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,618 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,150 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,068 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,730 |
| Russia Country Quiz | 0 | - | 4.83 | 114,500 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,284 |
| Countries That Border Russia | 0 | - | 4.98 | 461,773 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,347 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,912 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,346 |
| History of Austria | 0 | - | 4.70 | 17,863 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,694 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,453 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,775 |
| Departments of France | 0 | - | 4.93 | 54,125 |
| Geography of the French Empire | 0 | - | 4.45 | 27,061 |
| The French Revolution | 0 | - | 4.47 | 23,937 |
| Countries Bordering France | 0 | - | 4.83 | 402,585 |
| History of France | 0 | - | 4.59 | 56,989 |
| Germany Country Quiz | 0 | - | 4.83 | 157,871 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,832 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,356 |
| States of Germany | 0 | - | 4.96 | 152,631 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,048 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,445 |
| Countries of the German Empire | 0 | - | 4.51 | 37,941 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,001 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,913 |
| Italy Country Quiz | 0 | - | 4.80 | 123,415 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,069 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,105 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,179 |
| The Vikings! | 0 | - | 4.46 | 28,343 |
| The Portuguese Empire | 0 | - | 4.58 | 12,066 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,941 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,962 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,668 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,216 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,009 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,634 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,353 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,491 |
| Geography of the British Empire | 0 | - | 4.48 | 39,675 |
| Medieval English History | 0 | - | 4.53 | 43,510 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,747 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,704 |
| England or Wales? | 0 | - | 4.94 | 45,697 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,223 |
| Countries of the Popes | 0 | - | 4.79 | 128,120 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,379 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,243 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,570 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,810 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,113 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,391 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,458 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,070 |
| Countries that Border Poland | 0 | - | 4.99 | 172,286 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,855 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,810 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,897 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,235 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,406 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,776 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,325 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,874 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,181 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,216 |
| French History Multiple Choice | 0 | - | 4.55 | 33,043 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,451 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,737 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,047 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,681 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,664 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,641 |
| Counties of Ireland | 0 | - | 4.92 | 195,326 |
| Italy A-Z | 0 | - | 4.49 | 58,319 |
| Italian History A-Z | 0 | - | 4.21 | 17,708 |
| History of The Netherlands | 0 | - | 4.46 | 17,437 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,584 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,351 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,167 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,004 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,950 |
| Arthurian Legend | 0 | - | 4.33 | 25,110 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,545 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,782 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,374 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,834 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,795 |
| British History A-Z #1 | 0 | - | 4.45 | 46,487 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,679 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,680 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,151 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,964 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,612 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,276 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,844 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,660 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,849 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,472 |
