| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,093 |
| Roman Emperors | 0 | - | 4.95 | 118,576 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,353 |
| Name that Greek Letter | 0 | - | 4.94 | 321,797 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,550 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,696 |
| Roman Names for Places | 0 | - | 4.62 | 57,901 |
| The Trojan War | 0 | - | 4.83 | 39,458 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,656 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,431 |
| Name the English Monarchs | 0 | - | 4.92 | 498,289 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,118 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,966 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,490 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,407 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,786 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,653 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,959 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,456 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,930 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,670 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,997 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,027 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,490 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,513 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,178 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,085 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,427 |
| Regions of Italy | 0 | - | 4.92 | 74,809 |
| History of Italy | 0 | - | 4.55 | 31,835 |
| Byzantine History | 0 | - | 4.91 | 28,642 |
| Countries Bordering France | 0 | - | 4.83 | 399,745 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,231 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,565 |
| Italy Country Quiz | 0 | - | 4.82 | 122,309 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,473 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,383 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,322 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,483 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,178 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,532 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,832 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,565 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,837 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,733 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,491 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,050 |
| Counties of Ireland | 0 | - | 4.92 | 193,211 |
| Roman History by Picture | 0 | - | 4.46 | 26,349 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,407 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,764 |
| British History A-Z #1 | 0 | - | 4.45 | 46,032 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,353 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,164 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,789 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,816 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,473 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,640 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,455 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,505 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,293 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,110 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,899 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,723 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,501 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,895 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,418 |
| English Royal Consorts | 0 | - | 4.37 | 37,189 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,623 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,510 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,476 |
| German History A-Z | 0 | - | 4.49 | 24,356 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,795 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,778 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,380 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,040 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,973 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,845 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,281 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,149 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,984 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,549 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,689 |
| The Only European Country ... | 0 | - | 4.91 | 214,046 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,690 |
| History of Russia Quiz | 0 | - | 4.49 | 31,801 |
| Ancient Greek Words | 0 | - | 4.92 | 110,765 |
| Italian History A-Z | 0 | - | 4.21 | 17,490 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,468 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,491 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,993 |
| Counties of England | 0 | - | 4.97 | 789,756 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,545 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,691 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,360 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,764 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,364 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,505 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,522 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,007 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,114 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,334 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,260 |
| Slavic Countries | 0 | - | 4.96 | 110,911 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,581 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,995 |
| Geography of Rome | 0 | - | 4.51 | 16,627 |
| Rome City Trivia | 0 | - | 4.49 | 20,588 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,580 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,621 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,433 |
| Champions League Winners | 0 | - | 4.92 | 997,116 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,973 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,386 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,305 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,159 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,080 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,474 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,978 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,876 |
| Monarchies of Europe | 0 | - | 4.90 | 97,378 |
| European Countries with One Border | 0 | - | 4.97 | 181,710 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,618 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,713 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,379 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,333 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,305 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,061 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,340 |
| Russia Country Quiz | 0 | - | 4.85 | 113,696 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,189 |
| Countries That Border Russia | 0 | - | 4.98 | 459,095 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,890 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,256 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,067 |
| History of Austria | 0 | - | 4.70 | 17,764 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,284 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,308 |
| Departments of France | 0 | - | 4.93 | 52,907 |
| Geography of the French Empire | 0 | - | 4.48 | 26,943 |
| The French Revolution | 0 | - | 4.46 | 23,794 |
| History of France | 0 | - | 4.59 | 56,155 |
| French History A-Z | 0 | - | 4.21 | 22,919 |
| Germany Country Quiz | 0 | - | 4.82 | 156,670 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,803 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,234 |
| States of Germany | 0 | - | 4.96 | 150,234 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,390 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,087 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,159 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,047 |
| Serie A Champions | 0 | - | 4.29 | 57,757 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,882 |
| The Vikings! | 0 | - | 4.46 | 28,251 |
| The Portuguese Empire | 0 | - | 4.54 | 11,997 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,137 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,448 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,722 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,286 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,084 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,402 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,206 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,855 |
| Geography of the British Empire | 0 | - | 4.48 | 39,500 |
| Animals in British History | 0 | - | 4.44 | 25,878 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,348 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,543 |
| England or Wales? | 0 | - | 4.94 | 45,357 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,607 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,657,685 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,355 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,811 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,887 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,874 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,040 |
| Countries that Border Poland | 0 | - | 4.99 | 171,427 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,404 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,661 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,741 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,805 |
| Countries that Beat France | 0 | - | 4.49 | 75,212 |
| France True or False? | 0 | - | 4.43 | 39,793 |
| French History Multiple Choice | 0 | - | 4.55 | 32,888 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,638 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,614 |
| Roman to Greek God | 0 | - | 4.52 | 122,265 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,854 |
| History of The Netherlands | 0 | - | 4.46 | 17,324 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,171 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,469 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,148 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,937 |
| Finland Country Quiz | 0 | - | 4.50 | 59,162 |
| Norway Country Quiz | 0 | - | 4.44 | 76,684 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,879 |
| Spanish History A-Z | 0 | - | 4.37 | 19,126 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,108 |
| Arthurian Legend | 0 | - | 4.33 | 25,051 |
| British Monopoly Board | 0 | - | 4.52 | 41,042 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,351 |
