| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,091 |
| Roman Emperors | 0 | - | 4.95 | 118,572 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,332 |
| Name that Greek Letter | 0 | - | 4.94 | 321,794 |
| 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 | 57,898 |
| The Trojan War | 0 | - | 4.83 | 39,458 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,652 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,429 |
| Name the English Monarchs | 0 | - | 4.92 | 498,279 |
| 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 | 100,488 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,404 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,782 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,653 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,957 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,456 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,926 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,652 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,997 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,023 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,489 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,509 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,176 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,083 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,427 |
| Regions of Italy | 0 | - | 4.92 | 74,807 |
| History of Italy | 0 | - | 4.55 | 31,835 |
| Byzantine History | 0 | - | 4.91 | 28,642 |
| Countries Bordering France | 0 | - | 4.83 | 399,728 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,228 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,564 |
| Italy Country Quiz | 0 | - | 4.82 | 122,305 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,465 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,383 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,321 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,413 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,177 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,531 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,832 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,564 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,836 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,732 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,483 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,050 |
| Counties of Ireland | 0 | - | 4.92 | 193,206 |
| Roman History by Picture | 0 | - | 4.46 | 26,349 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,403 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,760 |
| British History A-Z #1 | 0 | - | 4.45 | 46,025 |
| 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 | 109,788 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,815 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,460 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,639 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,448 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,504 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,293 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,106 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,899 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,721 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,498 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,892 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,415 |
| 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 | 397,501 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,473 |
| German History A-Z | 0 | - | 4.49 | 24,353 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,794 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,778 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,375 |
| 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 | 139,275 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,143 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,941 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,526 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,684 |
| The Only European Country ... | 0 | - | 4.91 | 214,038 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,686 |
| History of Russia Quiz | 0 | - | 4.49 | 31,800 |
| Ancient Greek Words | 0 | - | 4.92 | 110,758 |
| Italian History A-Z | 0 | - | 4.21 | 17,486 |
| 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 | 76,992 |
| Counties of England | 0 | - | 4.97 | 789,747 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,543 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,690 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,343 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,759 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,362 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,501 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,520 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,004 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,107 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,331 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,247 |
| Slavic Countries | 0 | - | 4.96 | 110,909 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,579 |
| 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 | 101,577 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,620 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,433 |
| Champions League Winners | 0 | - | 4.92 | 997,088 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,971 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,384 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,303 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,157 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,078 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,472 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,972 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,875 |
| Monarchies of Europe | 0 | - | 4.90 | 97,376 |
| European Countries with One Border | 0 | - | 4.97 | 181,707 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,615 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,707 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,374 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,329 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,301 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,051 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,336 |
| Russia Country Quiz | 0 | - | 4.85 | 113,695 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,188 |
| Countries That Border Russia | 0 | - | 4.98 | 459,092 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,890 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,255 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,066 |
| 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 | 165,306 |
| Departments of France | 0 | - | 4.93 | 52,901 |
| Geography of the French Empire | 0 | - | 4.48 | 26,943 |
| The French Revolution | 0 | - | 4.46 | 23,792 |
| History of France | 0 | - | 4.59 | 56,151 |
| French History A-Z | 0 | - | 4.21 | 22,862 |
| Germany Country Quiz | 0 | - | 4.82 | 156,667 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,802 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,234 |
| States of Germany | 0 | - | 4.96 | 150,230 |
| 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 | 57,756 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,879 |
| The Vikings! | 0 | - | 4.46 | 28,251 |
| The Portuguese Empire | 0 | - | 4.54 | 11,997 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,135 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,445 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,721 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,280 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,082 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,400 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,205 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,853 |
| Geography of the British Empire | 0 | - | 4.48 | 39,499 |
| Animals in British History | 0 | - | 4.44 | 25,877 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,348 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,542 |
| England or Wales? | 0 | - | 4.94 | 45,356 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,606 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,657,582 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,351 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,809 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,885 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,872 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,037 |
| Countries that Border Poland | 0 | - | 4.99 | 171,426 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,404 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,654 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,740 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,803 |
| Countries that Beat France | 0 | - | 4.49 | 75,209 |
| France True or False? | 0 | - | 4.43 | 39,793 |
| French History Multiple Choice | 0 | - | 4.55 | 32,886 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,637 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,611 |
| Roman to Greek God | 0 | - | 4.52 | 122,263 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,853 |
| History of The Netherlands | 0 | - | 4.46 | 17,324 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,167 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,469 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,148 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,936 |
| Finland Country Quiz | 0 | - | 4.50 | 59,162 |
| Norway Country Quiz | 0 | - | 4.44 | 76,683 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,879 |
| Spanish History A-Z | 0 | - | 4.37 | 19,122 |
| 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 | 74,350 |
