| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,249 |
| Roman Emperors | 0 | - | 4.95 | 119,136 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,231 |
| Name that Greek Letter | 0 | - | 4.93 | 322,421 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,612 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,767 |
| Roman Names for Places | 0 | - | 4.62 | 58,031 |
| The Trojan War | 0 | - | 4.83 | 39,543 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,091 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,982 |
| Name the English Monarchs | 0 | - | 4.92 | 499,817 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,133 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,014 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,616 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,830 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,936 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,809 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,209 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,527 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,101 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,721 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,076 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,122 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,471 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,799 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,906 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,444 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,319 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,450 |
| Regions of Italy | 0 | - | 4.92 | 75,121 |
| History of Italy | 0 | - | 4.55 | 31,888 |
| Byzantine History | 0 | - | 4.91 | 28,689 |
| Countries Bordering France | 0 | - | 4.83 | 400,947 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,873 |
| Italy Country Quiz | 0 | - | 4.82 | 122,613 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,766 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,423 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,676 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,448 |
| Europe Map Quiz | 0 | - | 5.00 | 4,743,730 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,281 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,616 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,998 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,681 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,958 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,813 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,261 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,150 |
| Counties of Ireland | 0 | - | 4.92 | 193,897 |
| Roman History by Picture | 0 | - | 4.46 | 26,389 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,159 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,796 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,361 |
| British History A-Z #1 | 0 | - | 4.45 | 46,277 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,463 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,317 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,013 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,976 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,369 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,836 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,769 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,713 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,309 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,731 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,114 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,924 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,632 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,086 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,793 |
| English Royal Consorts | 0 | - | 4.37 | 37,256 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,821 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,095 |
| German History A-Z | 0 | - | 4.49 | 24,500 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,858 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,830 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,514 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,073 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,031 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,888 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,865 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,796 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,573 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,031 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,209 |
| The Only European Country ... | 0 | - | 4.91 | 214,948 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,209 |
| History of Russia Quiz | 0 | - | 4.49 | 31,834 |
| Ancient Greek Words | 0 | - | 4.93 | 111,047 |
| Italian History A-Z | 0 | - | 4.21 | 17,619 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,519 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,550 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,077 |
| Counties of England | 0 | - | 4.97 | 792,072 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,697 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,747 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,246 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,076 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,653 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,240 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,729 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,105 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,284 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,665 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,493 |
| Slavic Countries | 0 | - | 4.96 | 111,185 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,063 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,066 |
| Geography of Rome | 0 | - | 4.51 | 16,637 |
| Rome City Trivia | 0 | - | 4.49 | 20,614 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,980 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,663 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,458 |
| Champions League Winners | 0 | - | 4.92 | 1,000,195 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,259 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,595 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,562 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,437 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,296 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,842 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,414 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,183 |
| Monarchies of Europe | 0 | - | 4.90 | 97,654 |
| European Countries with One Border | 0 | - | 4.97 | 182,058 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,920 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,605 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,627 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,638 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,968 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,397 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,799 |
| Russia Country Quiz | 0 | - | 4.85 | 113,992 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,091 |
| Countries That Border Russia | 0 | - | 4.98 | 460,173 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,056 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,487 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,167 |
| History of Austria | 0 | - | 4.70 | 17,793 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,684 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,628 |
| Departments of France | 0 | - | 4.93 | 53,199 |
| Geography of the French Empire | 0 | - | 4.45 | 26,987 |
| The French Revolution | 0 | - | 4.46 | 23,853 |
| History of France | 0 | - | 4.59 | 56,545 |
| French History A-Z | 0 | - | 4.22 | 24,341 |
| Germany Country Quiz | 0 | - | 4.82 | 157,097 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,098 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,500 |
| States of Germany | 0 | - | 4.96 | 150,960 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,421 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,308 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,398 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,065 |
| Serie A Champions | 0 | - | 4.29 | 57,948 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,068 |
| The Vikings! | 0 | - | 4.46 | 28,281 |
| The Portuguese Empire | 0 | - | 4.58 | 12,025 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,358 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,082 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,983 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,671 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,288 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,762 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,257 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,065 |
| Geography of the British Empire | 0 | - | 4.48 | 39,567 |
| Animals in British History | 0 | - | 4.44 | 25,926 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,383 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,608 |
| England or Wales? | 0 | - | 4.94 | 45,473 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,144 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,671,766 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,684 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,914 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,057 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,084 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,414 |
| Countries that Border Poland | 0 | - | 4.99 | 171,730 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,537 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,400 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,906 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,029 |
| Countries that Beat France | 0 | - | 4.49 | 75,417 |
| France True or False? | 0 | - | 4.43 | 39,850 |
| French History Multiple Choice | 0 | - | 4.55 | 32,933 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,709 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,739 |
| Roman to Greek God | 0 | - | 4.52 | 122,456 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,878 |
| History of The Netherlands | 0 | - | 4.46 | 17,352 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,230 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,611 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,209 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,001 |
| Finland Country Quiz | 0 | - | 4.50 | 59,335 |
| Norway Country Quiz | 0 | - | 4.44 | 76,928 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,966 |
| Spanish History A-Z | 0 | - | 4.37 | 19,218 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,212 |
| Arthurian Legend | 0 | - | 4.33 | 25,073 |
| British Monopoly Board | 0 | - | 4.52 | 41,089 |
