| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,168 |
| Roman Emperors | 0 | - | 4.95 | 118,799 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,330 |
| Name that Greek Letter | 0 | - | 4.94 | 322,108 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,585 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,737 |
| Roman Names for Places | 0 | - | 4.62 | 57,970 |
| The Trojan War | 0 | - | 4.83 | 39,499 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,872 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,719 |
| Name the English Monarchs | 0 | - | 4.92 | 499,048 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,122 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,993 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,561 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,638 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,433 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,729 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,078 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,495 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,015 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,641 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,431 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,066 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,233 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,667 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,700 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,328 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,212 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,441 |
| Regions of Italy | 0 | - | 4.92 | 74,967 |
| History of Italy | 0 | - | 4.55 | 31,863 |
| Byzantine History | 0 | - | 4.91 | 28,665 |
| Countries Bordering France | 0 | - | 4.83 | 400,519 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,555 |
| Italy Country Quiz | 0 | - | 4.82 | 122,456 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,614 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,408 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,650 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,382 |
| Europe Map Quiz | 0 | - | 5.00 | 4,738,800 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,222 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,572 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,924 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,624 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,896 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,773 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,892 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,096 |
| Counties of Ireland | 0 | - | 4.92 | 193,601 |
| Roman History by Picture | 0 | - | 4.46 | 26,369 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,949 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,669 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,090 |
| British History A-Z #1 | 0 | - | 4.45 | 46,205 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,417 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,243 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,924 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,903 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,889 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,726 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,625 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,598 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,304 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,437 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,006 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,830 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,576 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,971 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,628 |
| English Royal Consorts | 0 | - | 4.37 | 37,229 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,184 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,791 |
| German History A-Z | 0 | - | 4.49 | 24,472 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,824 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,804 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,440 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,061 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,002 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,866 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,591 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,501 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,746 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,743 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,962 |
| The Only European Country ... | 0 | - | 4.91 | 214,541 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,962 |
| History of Russia Quiz | 0 | - | 4.49 | 31,818 |
| Ancient Greek Words | 0 | - | 4.92 | 110,914 |
| Italian History A-Z | 0 | - | 4.21 | 17,595 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,495 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,524 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,035 |
| Counties of England | 0 | - | 4.97 | 790,905 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,643 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,724 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,301 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,932 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,517 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,896 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,633 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,606 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,805 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,499 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,371 |
| Slavic Countries | 0 | - | 4.96 | 111,047 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,860 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,036 |
| Geography of Rome | 0 | - | 4.51 | 16,632 |
| Rome City Trivia | 0 | - | 4.49 | 20,606 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,775 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,641 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,443 |
| Champions League Winners | 0 | - | 4.92 | 998,561 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,120 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,517 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,421 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,304 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,196 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,650 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,190 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,019 |
| Monarchies of Europe | 0 | - | 4.90 | 97,516 |
| European Countries with One Border | 0 | - | 4.97 | 181,873 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,777 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,097 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,685 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,511 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,603 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,690 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,542 |
| Russia Country Quiz | 0 | - | 4.85 | 113,834 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,690 |
| Countries That Border Russia | 0 | - | 4.98 | 459,762 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,977 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,352 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,122 |
| History of Austria | 0 | - | 4.70 | 17,779 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,490 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,444 |
| Departments of France | 0 | - | 4.93 | 53,060 |
| Geography of the French Empire | 0 | - | 4.45 | 26,964 |
| The French Revolution | 0 | - | 4.46 | 23,831 |
| History of France | 0 | - | 4.59 | 56,375 |
| French History A-Z | 0 | - | 4.22 | 24,126 |
| Germany Country Quiz | 0 | - | 4.82 | 156,857 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,974 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,382 |
| States of Germany | 0 | - | 4.96 | 150,612 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,408 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,198 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,300 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,056 |
| Serie A Champions | 0 | - | 4.29 | 57,866 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,986 |
| The Vikings! | 0 | - | 4.46 | 28,268 |
| The Portuguese Empire | 0 | - | 4.54 | 12,008 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,251 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,766 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,849 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,526 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,187 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,582 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,236 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,975 |
| Geography of the British Empire | 0 | - | 4.48 | 39,537 |
| Animals in British History | 0 | - | 4.44 | 25,906 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,365 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,580 |
| England or Wales? | 0 | - | 4.94 | 45,412 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,858 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,664,720 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,520 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,856 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,977 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,984 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,208 |
| Countries that Border Poland | 0 | - | 4.99 | 171,590 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,473 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,036 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,823 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,912 |
| Countries that Beat France | 0 | - | 4.49 | 75,304 |
| France True or False? | 0 | - | 4.43 | 39,825 |
| French History Multiple Choice | 0 | - | 4.55 | 32,909 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,687 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,681 |
| Roman to Greek God | 0 | - | 4.52 | 122,369 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,867 |
| History of The Netherlands | 0 | - | 4.46 | 17,344 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,204 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,540 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,180 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,973 |
| Finland Country Quiz | 0 | - | 4.50 | 59,256 |
| Norway Country Quiz | 0 | - | 4.44 | 76,830 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,923 |
| Spanish History A-Z | 0 | - | 4.37 | 19,196 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,153 |
| Arthurian Legend | 0 | - | 4.33 | 25,062 |
| British Monopoly Board | 0 | - | 4.52 | 41,075 |
