| Two Letter Roman Numerals | 0 | - | 4.97 | 55,839 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,456 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,179 |
| Byzantine History | 0 | - | 4.91 | 28,705 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,040 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,289 |
| Roman Emperors | 0 | - | 4.95 | 119,255 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,309 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,264 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,873 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,757 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,527 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,548 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,871 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,973 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,495 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,384 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,451 |
| Ancient Greek Words | 0 | - | 4.93 | 111,116 |
| Regions of Italy | 0 | - | 4.92 | 75,224 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,631 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,791 |
| Roman Names for Places | 0 | - | 4.62 | 58,062 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,674,470 |
| Italy Country Quiz | 0 | - | 4.82 | 122,697 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,845 |
| History of Italy | 0 | - | 4.55 | 31,901 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,443 |
| Roman History by Picture | 0 | - | 4.46 | 26,397 |
| Name the English Monarchs | 0 | - | 4.92 | 500,148 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,318 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,681 |
| Name that Greek Letter | 0 | - | 4.93 | 322,576 |
| Mythology A-Z | 0 | - | 4.31 | 37,108 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,639 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,919 |
| Prime Ministers of the UK | 0 | - | 4.96 | 436,684 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,583 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,296 |
| The Trojan War | 0 | - | 4.83 | 39,572 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,185 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,102 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,156 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,131 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,019 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,140 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 492,238 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,959 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,244 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,340 |
| The Only European Country ... | 0 | - | 4.91 | 215,185 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,343 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,724 |
| Roman to Greek God | 0 | - | 4.52 | 122,500 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,609 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 107,953 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,332 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,080 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,149 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,221 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,830 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,570 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,162 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,713 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,467 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,777 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,363 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,513 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,677 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,897 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,751 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,533 |
| Slavic Countries | 0 | - | 4.96 | 111,267 |
| History of Russia Quiz | 0 | - | 4.49 | 31,846 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,105 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,385 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,569 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,098 |
| Counties of England | 0 | - | 4.97 | 792,655 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,724 |
| Lord of the Rings Decoder | 0 | - | 4.59 | 42,370 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,579 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,582 |
| Champions League Winners | 0 | - | 4.92 | 1,000,831 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,050 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,323 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,180 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,798 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,623 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,645 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,505 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,426 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,937 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,512 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,248 |
| Monarchies of Europe | 0 | - | 4.90 | 97,706 |
| European Countries with One Border | 0 | - | 4.97 | 182,132 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,992 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,819 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,750 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,699 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,107 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,760 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,931 |
| Russia Country Quiz | 0 | - | 4.85 | 114,052 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,338 |
| Countries That Border Russia | 0 | - | 4.98 | 460,369 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,102 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,539 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,193 |
| History of Austria | 0 | - | 4.70 | 17,802 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,799 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,773 |
| Departments of France | 0 | - | 4.93 | 53,324 |
| Geography of the French Empire | 0 | - | 4.45 | 26,999 |
| The French Revolution | 0 | - | 4.46 | 23,863 |
| Countries Bordering France | 0 | - | 4.83 | 401,152 |
| History of France | 0 | - | 4.59 | 56,637 |
| Germany Country Quiz | 0 | - | 4.82 | 157,202 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,171 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,568 |
| States of Germany | 0 | - | 4.96 | 151,107 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,533 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,023 |
| Countries of the German Empire | 0 | - | 4.51 | 37,786 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,871 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,843 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,472 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,069 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 48,704 |
| The Vikings! | 0 | - | 4.46 | 28,288 |
| The Portuguese Empire | 0 | - | 4.58 | 12,030 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,438 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,193 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,050 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,753 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,353 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,876 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,267 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,103 |
| Geography of the British Empire | 0 | - | 4.48 | 39,585 |
| Medieval English History | 0 | - | 4.53 | 43,404 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,667 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,621 |
| England or Wales? | 0 | - | 4.94 | 45,494 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,591 |
| Countries of the Popes | 0 | - | 4.79 | 127,612 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,277 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,717 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,242 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,796 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,935 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,103 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,139 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,490 |
| Countries that Border Poland | 0 | - | 4.99 | 171,796 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,571 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,261 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,571 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,935 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,071 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,637 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,034 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,702 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,978 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,884 |
| French History Multiple Choice | 0 | - | 4.55 | 32,951 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,827 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,436 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,766 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,262 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,541 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,404 |
| Counties of Ireland | 0 | - | 4.92 | 194,056 |
| Italy A-Z | 0 | - | 4.49 | 58,024 |
| Italian History A-Z | 0 | - | 4.21 | 17,628 |
| History of The Netherlands | 0 | - | 4.46 | 17,364 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,150 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,954 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,084 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,242 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,666 |
| Arthurian Legend | 0 | - | 4.33 | 25,076 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,141 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,500 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,270 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,809 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,688 |
| British History A-Z #1 | 0 | - | 4.45 | 46,305 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,471 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,494 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,049 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,896 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,344 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,151 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,828 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,063 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,012 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,125 |
