| Two Letter Roman Numerals | 0 | - | 4.97 | 55,701 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,237 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,270 |
| Byzantine History | 0 | - | 4.91 | 28,660 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,713 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,145 |
| Roman Emperors | 0 | - | 4.95 | 118,725 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,084 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,925 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,349 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,484 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,169 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,620 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,643 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,297 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,182 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,352 |
| Ancient Greek Words | 0 | - | 4.92 | 110,876 |
| Regions of Italy | 0 | - | 4.92 | 74,923 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,577 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,733 |
| Roman Names for Places | 0 | - | 4.62 | 57,945 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,662,817 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,629 |
| Italy Country Quiz | 0 | - | 4.82 | 122,423 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,588 |
| History of Italy | 0 | - | 4.55 | 31,858 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,401 |
| Roman History by Picture | 0 | - | 4.46 | 26,363 |
| Name the English Monarchs | 0 | - | 4.92 | 498,868 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,327 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,048 |
| Name that Greek Letter | 0 | - | 4.94 | 322,012 |
| Mythology A-Z | 0 | - | 4.31 | 37,046 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,541 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,573 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,421 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,754 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,215 |
| The Trojan War | 0 | - | 4.83 | 39,484 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,813 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,635 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,047 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,992 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,987 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,120 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,762 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,400 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,697 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,885 |
| The Only European Country ... | 0 | - | 4.91 | 214,375 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,891 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,685 |
| Roman to Greek God | 0 | - | 4.52 | 122,333 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,463 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,791 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,227 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,498 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,539 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,205 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,952 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,403 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,889 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,466 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,780 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,607 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,278 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,658 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,953 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,569 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,449 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,347 |
| Slavic Countries | 0 | - | 4.96 | 111,013 |
| History of Russia Quiz | 0 | - | 4.49 | 31,811 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,007 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,236 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,515 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,019 |
| Counties of England | 0 | - | 4.97 | 790,516 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,627 |
| Lord of the Rings Decoder | 0 | - | 4.59 | 42,305 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,564 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,014 |
| Champions League Winners | 0 | - | 4.92 | 998,093 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,923 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,082 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,972 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,736 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,488 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,388 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,264 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,164 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,600 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,130 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,970 |
| Monarchies of Europe | 0 | - | 4.90 | 97,482 |
| European Countries with One Border | 0 | - | 4.97 | 181,825 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,726 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,974 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,588 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,472 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,504 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,526 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,489 |
| Russia Country Quiz | 0 | - | 4.85 | 113,801 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,557 |
| Countries That Border Russia | 0 | - | 4.98 | 459,636 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,958 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,326 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,105 |
| History of Austria | 0 | - | 4.70 | 17,775 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,430 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,413 |
| Departments of France | 0 | - | 4.93 | 53,023 |
| Geography of the French Empire | 0 | - | 4.45 | 26,963 |
| The French Revolution | 0 | - | 4.46 | 23,819 |
| Countries Bordering France | 0 | - | 4.83 | 400,353 |
| History of France | 0 | - | 4.59 | 56,320 |
| Germany Country Quiz | 0 | - | 4.82 | 156,822 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,939 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,347 |
| States of Germany | 0 | - | 4.96 | 150,522 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,403 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,166 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,460 |
| Countries of the German Empire | 0 | - | 4.51 | 37,716 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,820 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,801 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,272 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,054 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,954 |
| The Vikings! | 0 | - | 4.46 | 28,261 |
| The Portuguese Empire | 0 | - | 4.54 | 12,005 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,218 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,616 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,817 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,476 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,162 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,552 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,226 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,956 |
| Geography of the British Empire | 0 | - | 4.48 | 39,529 |
| Medieval English History | 0 | - | 4.53 | 43,350 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,630 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,577 |
| England or Wales? | 0 | - | 4.94 | 45,403 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,331 |
| Countries of the Popes | 0 | - | 4.79 | 127,379 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,789 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,437 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,048 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,470 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,843 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,947 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,951 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,158 |
| Countries that Border Poland | 0 | - | 4.99 | 171,545 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,461 |
| Countries that Beat Russia | 0 | - | 4.84 | 82,049 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,934 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,800 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,885 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,562 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,893 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,602 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,881 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,700 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,576 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,786 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,579 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,039 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,485 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,238 |
| Counties of Ireland | 0 | - | 4.92 | 193,464 |
| Italy A-Z | 0 | - | 4.49 | 57,843 |
| Italian History A-Z | 0 | - | 4.21 | 17,583 |
| History of The Netherlands | 0 | - | 4.46 | 17,339 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,969 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,797 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,056 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,883 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,559 |
| Arthurian Legend | 0 | - | 4.33 | 25,060 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,950 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,013 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,233 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,508 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,643 |
| British History A-Z #1 | 0 | - | 4.45 | 46,182 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,373 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,406 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,991 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,861 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,222 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,088 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,820 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,891 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,873 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,978 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,247 |
