| Two Letter Roman Numerals | 0 | - | 4.97 | 54,691 |
| Olympian Gods Quiz | 0 | - | 4.96 | 480,592 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 427,605 |
| Byzantine History | 0 | - | 4.90 | 28,250 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 92,084 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 83,076 |
| Roman Emperors | 0 | - | 4.96 | 115,439 |
| Famous Ancient Romans | 0 | - | 4.69 | 84,433 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 123,012 |
| Figures from Greek Mythology | 0 | - | 4.90 | 180,898 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,165 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 147,018 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 73,840 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 61,562 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 68,680 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 104,601 |
| Ancient Greek Words | 0 | - | 4.92 | 109,028 |
| Regions of Italy | 0 | - | 4.92 | 72,668 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,137 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,262 |
| Roman Names for Places | 0 | - | 4.62 | 57,136 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,596,021 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 30,750 |
| Italy Country Quiz | 0 | - | 4.81 | 120,500 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 146,437 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,037 |
| The Life of Julius Caesar | 0 | - | 4.45 | 36,864 |
| Roman History by Picture | 0 | - | 4.46 | 26,099 |
| English Monarchs Quiz | 0 | - | 4.92 | 490,005 |
| Europe Map Quiz | 0 | - | 5.00 | 4,682,521 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 632,409 |
| Name that Greek Letter | 0 | - | 4.94 | 318,711 |
| Mythology A-Z | 0 | - | 4.30 | 36,556 |
| Countries Bordering Italy | 0 | - | 4.94 | 99,488 |
| Countries Closest to Italy | 0 | - | 4.97 | 194,255 |
| Prime Ministers of the UK | 0 | - | 4.96 | 428,494 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 420,456 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 57,603 |
| The Trojan War | 0 | - | 4.82 | 38,901 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.83 | 108,248 |
| History of Italy | 0 | - | 4.55 | 31,559 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,601 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,007 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,052 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 483,863 |
| Countries That Use the Euro | 0 | - | 4.96 | 99,736 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 359,295 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 110,847 |
| The Only European Country ... | 0 | - | 4.92 | 208,496 |
| European Countries NOT in NATO | 0 | - | 4.89 | 56,983 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,465 |
| Roman to Greek God | 0 | - | 4.52 | 121,141 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 100,500 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 106,695 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 36,344 |
| Beatles Songs Quiz | 0 | - | 4.97 | 230,381 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 288,286 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,053 |
| Shortest U.S. Presidential Terms | 0 | - | 4.81 | 12,414 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,197,966 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,305,376 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 189,801 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 148,566 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 212,950 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 85,512 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 305,049 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 161,439 |
| Countries of Europe After World War II | 0 | - | 4.99 | 184,829 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 153,490 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 86,683 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 125,561 |
| Slavic Countries | 0 | - | 4.96 | 109,671 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,405 |
| Things with Names from Classical Mythology | 0 | - | 4.27 | 86,356 |
| Geography of the Dutch Empire | 0 | - | 4.69 | 34,202 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,742 |
| Counties of England | 0 | - | 4.97 | 778,567 |
| Invasions of Great Britain | 0 | - | 4.51 | 58,949 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 41,875 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,441 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 341,734 |
| Champions League Winners | 0 | - | 4.92 | 982,317 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,270 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 104,392 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,001 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 191,090 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 124,883 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 93,944 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 134,464 |
| Three Band Flags of Europe | 0 | - | 4.97 | 189,307 |
| Pixelated Europe Map | 0 | - | 4.88 | 120,324 |
| Monarchies of Europe | 0 | - | 4.89 | 96,060 |
| European Countries with One Border | 0 | - | 4.97 | 179,517 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 176,240 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 226,763 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 270,727 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 74,683 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 162,373 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 250,518 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 96,485 |
| Russia Country Quiz | 0 | - | 4.85 | 112,454 |
| History of Russia Quiz | 0 | - | 4.50 | 31,596 |
| Federal Subjects of Russia | 0 | - | 4.95 | 139,892 |
| Countries That Border Russia | 0 | - | 4.98 | 454,561 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,084 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 122,736 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.85 | 34,550 |
| History of Austria | 0 | - | 4.70 | 17,545 |
| Regions of France Map Quiz | 0 | - | 4.96 | 141,020 |
| France Cities Map Quiz | 0 | - | 4.96 | 162,994 |
| Departments of France | 0 | - | 4.92 | 50,108 |
| Geography of the French Empire | 0 | - | 4.51 | 26,621 |
| The French Revolution | 0 | - | 4.46 | 23,366 |
| Countries Bordering France | 0 | - | 4.87 | 383,258 |
| History of France | 0 | - | 4.58 | 44,417 |
| Germany Country Quiz | 0 | - | 4.82 | 154,648 |
| States of Germany Map Quiz | 0 | - | 4.91 | 130,121 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 123,535 |
| States of Germany | 0 | - | 4.95 | 146,096 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.42 | 23,208 |
| Germany Immigration by Country | 0 | - | 4.84 | 78,823 |
| Countries Bordering Germany | 0 | - | 4.99 | 363,181 |
| Countries of the German Empire | 0 | - | 4.51 | 37,221 |
| Ancient Greek Trivia | 0 | - | 4.61 | 66,312 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 149,575 |
| Embarrassing Chapters in Italian History | 0 | - | 4.23 | 11,908 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 42,729 |
| The Vikings! | 0 | - | 4.46 | 28,111 |
| The Portuguese Empire | 0 | - | 4.54 | 11,892 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 94,882 |
| Regions of Spain Quiz | 0 | - | 4.89 | 110,052 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 182,505 |
| Cantons of Switzerland | 0 | - | 4.97 | 48,703 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 91,818 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.98 | 114,354 |
| Wives of King Henry VIII | 0 | - | 4.55 | 52,891 |
| Countries the UK Declared War On | 0 | - | 4.61 | 120,749 |
| Geography of the British Empire | 0 | - | 4.51 | 39,154 |
| Medieval English History | 0 | - | 4.53 | 43,017 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,370 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,179 |
| England or Wales? | 0 | - | 4.94 | 44,805 |
| Name the Popes Quiz | 0 | - | 4.47 | 135,503 |
| Countries of the Popes | 0 | - | 4.80 | 125,817 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 126,094 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 94,875 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,182 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 187,274 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,328 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,086 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 63,799 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 87,169 |
| Countries that Border Poland | 0 | - | 4.99 | 169,647 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 81,633 |
| Countries that Beat Russia | 0 | - | 4.84 | 80,582 |
| Countries With the Most Russian Speakers | 0 | - | 4.96 | 94,616 |
| Countries that Border Hungary | 0 | - | 4.98 | 102,831 |
| Countries Bordering Serbia | 0 | - | 4.96 | 90,614 |
| French Geography Quiz #1 | 0 | - | 4.88 | 34,151 |
| Countries Bordering Austria | 0 | - | 4.97 | 116,553 |
| Countries that Visit France the Most | 0 | - | 4.84 | 44,837 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,083 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 45,784 |
| Countries that Beat Germany | 0 | - | 4.95 | 103,804 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 90,531 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 33,621 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 71,531 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,098 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 55,348 |
| Counties of Ireland | 0 | - | 4.90 | 184,079 |
| Italy A-Z | 0 | - | 4.50 | 56,073 |
| Italian History A-Z | 0 | - | 4.23 | 10,589 |
| History of The Netherlands | 0 | - | 4.46 | 17,087 |
| Greenland Country Quiz | 0 | - | 4.83 | 35,655 |
| Countries Closest to Iceland | 0 | - | 4.88 | 71,661 |
| Countries that Beat Portugal | 0 | - | 4.86 | 57,698 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 36,786 |
| Countries Closest to Spain | 0 | - | 4.96 | 222,874 |
| Countries that Beat Spain | 0 | - | 4.94 | 61,754 |
| Arthurian Legend | 0 | - | 4.32 | 24,947 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 96,883 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 125,686 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 33,966 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 375,073 |
| British History A-Z #1 | 0 | - | 4.44 | 44,395 |
| Houses of British Monarchs | 0 | - | 4.52 | 64,721 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 59,729 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,613 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,615 |
| British History Quiz for Dummies | 0 | - | 4.70 | 77,291 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 28,654 |
| The Life of Winston Churchill | 0 | - | 4.14 | 11,741 |
| World Capitals Closest to London | 0 | - | 4.89 | 99,871 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 94,715 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 391,300 |
| Prime Ministers of Australia | 0 | - | 4.49 | 31,251 |
| U.S. Presidents by Picture | 0 | - | 4.86 | 419,646 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 106,658 |
| U.S. Presidents by Event | 0 | - | 4.58 | 31,923 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.57 | 91,821 |
