| Roman Emperors | 0 | - | 4.95 | 119,056 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,096 |
| Name that Greek Letter | 0 | - | 4.93 | 322,341 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,606 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,760 |
| Roman Names for Places | 0 | - | 4.62 | 58,019 |
| The Trojan War | 0 | - | 4.83 | 39,537 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,050 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,950 |
| Name the English Monarchs | 0 | - | 4.92 | 499,673 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,130 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,011 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,608 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,801 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,852 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,796 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,188 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,518 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,088 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,709 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,948 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,117 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,426 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,772 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,880 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,421 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,303 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,448 |
| Regions of Italy | 0 | - | 4.92 | 75,090 |
| History of Italy | 0 | - | 4.55 | 31,881 |
| Byzantine History | 0 | - | 4.91 | 28,680 |
| Countries Bordering France | 0 | - | 4.83 | 400,871 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,813 |
| Italy Country Quiz | 0 | - | 4.82 | 122,593 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,746 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,419 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,674 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,440 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,818 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,270 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,613 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,988 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,676 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,948 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,807 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,207 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,137 |
| Counties of Ireland | 0 | - | 4.92 | 193,825 |
| Roman History by Picture | 0 | - | 4.46 | 26,383 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,593 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,125 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,772 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,310 |
| British History A-Z #1 | 0 | - | 4.45 | 46,271 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,456 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,302 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,000 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,971 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,271 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,824 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,756 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,688 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,307 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,676 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,090 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,908 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,623 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,063 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,759 |
| English Royal Consorts | 0 | - | 4.37 | 37,253 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,712 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,045 |
| German History A-Z | 0 | - | 4.49 | 24,496 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,854 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,825 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,498 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,069 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,028 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,884 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,828 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,742 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,115 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,739 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,168 |
| The Only European Country ... | 0 | - | 4.91 | 214,882 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,162 |
| History of Russia Quiz | 0 | - | 4.49 | 31,831 |
| Ancient Greek Words | 0 | - | 4.93 | 111,025 |
| Italian History A-Z | 0 | - | 4.21 | 17,617 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,514 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,547 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,070 |
| Counties of England | 0 | - | 4.97 | 791,903 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,691 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,745 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,109 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,052 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,631 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,175 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,705 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,055 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,184 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,637 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,445 |
| Slavic Countries | 0 | - | 4.96 | 111,166 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,019 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,065 |
| Geography of Rome | 0 | - | 4.51 | 16,636 |
| Rome City Trivia | 0 | - | 4.49 | 20,614 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,938 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,657 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,454 |
| Champions League Winners | 0 | - | 4.92 | 999,941 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,232 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,586 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,542 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,415 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,285 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,815 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,378 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,155 |
| Monarchies of Europe | 0 | - | 4.90 | 97,629 |
| European Countries with One Border | 0 | - | 4.97 | 182,025 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,896 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,534 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,554 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,625 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,922 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,289 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,767 |
| Russia Country Quiz | 0 | - | 4.85 | 113,971 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,025 |
| Countries That Border Russia | 0 | - | 4.98 | 460,107 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,040 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,463 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,158 |
| History of Austria | 0 | - | 4.70 | 17,792 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,649 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,607 |
| Departments of France | 0 | - | 4.93 | 53,170 |
| Geography of the French Empire | 0 | - | 4.45 | 26,984 |
| The French Revolution | 0 | - | 4.46 | 23,851 |
| History of France | 0 | - | 4.59 | 56,515 |
| French History A-Z | 0 | - | 4.22 | 24,328 |
| Germany Country Quiz | 0 | - | 4.82 | 157,058 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,085 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,482 |
| States of Germany | 0 | - | 4.96 | 150,897 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,421 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,293 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,388 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,065 |
| Serie A Champions | 0 | - | 4.29 | 57,934 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,051 |
| The Vikings! | 0 | - | 4.46 | 28,279 |
| The Portuguese Empire | 0 | - | 4.58 | 12,023 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,347 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,039 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,960 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,662 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,278 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,736 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,255 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,054 |
| Geography of the British Empire | 0 | - | 4.48 | 39,566 |
| Animals in British History | 0 | - | 4.44 | 25,921 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,381 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,605 |
| England or Wales? | 0 | - | 4.94 | 45,461 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,104 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,670,400 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,652 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,902 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,050 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,074 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,385 |
| Countries that Border Poland | 0 | - | 4.99 | 171,711 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,527 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,348 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,894 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,009 |
| Countries that Beat France | 0 | - | 4.49 | 75,402 |
| France True or False? | 0 | - | 4.43 | 39,845 |
| French History Multiple Choice | 0 | - | 4.55 | 32,932 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,705 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,727 |
| Roman to Greek God | 0 | - | 4.52 | 122,443 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,876 |
| History of The Netherlands | 0 | - | 4.46 | 17,352 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,228 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,601 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,205 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,995 |
| Finland Country Quiz | 0 | - | 4.50 | 59,324 |
| Norway Country Quiz | 0 | - | 4.44 | 76,913 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,960 |
| Spanish History A-Z | 0 | - | 4.37 | 19,217 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,209 |
| Arthurian Legend | 0 | - | 4.33 | 25,071 |
| British Monopoly Board | 0 | - | 4.52 | 41,087 |
