| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,449 |
| Roman Emperors | 0 | - | 4.95 | 120,806 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,459 |
| Name that Greek Letter | 0 | - | 4.93 | 324,601 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,982 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,143 |
| The Trojan War | 0 | - | 4.83 | 39,920 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,630 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,055 |
| Name the English Monarchs | 0 | - | 4.91 | 505,179 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,231 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,154 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,146 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,008 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,918 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,399 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,124 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,779 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,994 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,325 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,843 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,551 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,040 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,549 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,448 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,584 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,351 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,552 |
| Regions of Italy | 0 | - | 4.92 | 76,620 |
| History of Italy | 0 | - | 4.55 | 32,105 |
| Byzantine History | 0 | - | 4.91 | 28,983 |
| Byzantine Emperors | 0 | - | 4.92 | 14,479 |
| Countries Bordering France | 0 | - | 4.83 | 404,264 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,262 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,985 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,692 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,896 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,863 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,485 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,679 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,000 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,815 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,061 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,368 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,083 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,991 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,691 |
| Counties of Ireland | 0 | - | 4.92 | 196,761 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,687 |
| Roman History by Picture | 0 | - | 4.46 | 26,545 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,482 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,735 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,691 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,831 |
| British History A-Z #1 | 0 | - | 4.45 | 46,880 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,965 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,899 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,936 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,158 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,062 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,554 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,051 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,410 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,392 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,282 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,937 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,706 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,214 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,908 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,989 |
| English Royal Consorts | 0 | - | 4.38 | 37,472 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,743 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,651 |
| German History A-Z | 0 | - | 4.49 | 24,793 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,164 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,997 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,129 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,275 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,264 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,045 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 142,677 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,198 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,124 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,271 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,652 |
| The Only European Country ... | 0 | - | 4.91 | 218,242 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,093 |
| History of Russia Quiz | 0 | - | 4.47 | 31,980 |
| Ancient Greek Words | 0 | - | 4.93 | 112,199 |
| Italian History A-Z | 0 | - | 4.21 | 17,831 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,774 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,372 |
| Counties of England | 0 | - | 4.97 | 800,968 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,035 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,932 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,879 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,247 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,804 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,136 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,575 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,059 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,751 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,901 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,612 |
| Slavic Countries | 0 | - | 4.96 | 112,150 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,940 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,208 |
| Geography of Rome | 0 | - | 4.51 | 16,694 |
| Rome City Trivia | 0 | - | 4.49 | 20,713 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,494 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,823 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,548 |
| Champions League Winners | 0 | - | 4.92 | 1,012,664 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,510 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,574 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,517 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,288 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,203 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,135 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,248 |
| Monarchies of Europe | 0 | - | 4.90 | 98,591 |
| European Countries with One Border | 0 | - | 4.97 | 183,456 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,210 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,004 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,068 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 88,164 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,327 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,495 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,533 |
| Russia Country Quiz | 0 | - | 4.83 | 115,112 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,758 |
| Countries That Border Russia | 0 | - | 4.98 | 463,806 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,600 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,304 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,501 |
| History of Austria | 0 | - | 4.70 | 17,946 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,867 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,283 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,488 |
| Departments of France | 0 | - | 4.93 | 54,818 |
| Geography of the French Empire | 0 | - | 4.45 | 27,193 |
| The French Revolution | 0 | - | 4.47 | 24,107 |
| History of France | 0 | - | 4.61 | 57,444 |
| French History A-Z | 0 | - | 4.27 | 24,947 |
| Germany Country Quiz | 0 | - | 4.83 | 158,537 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,492 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,868 |
| States of Germany | 0 | - | 4.95 | 153,901 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,536 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,501 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,909 |
| Italy Country Quiz | 0 | - | 4.77 | 123,852 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,849 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,144 |
| Serie A Champions | 0 | - | 4.29 | 58,653 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,632 |
| The Vikings! | 0 | - | 4.46 | 28,388 |
| The Portuguese Empire | 0 | - | 4.58 | 12,094 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,298 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,951 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,553 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,575 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,347 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,403 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,434 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,089 |
| Geography of the British Empire | 0 | - | 4.48 | 39,810 |
| Animals in British History | 0 | - | 4.43 | 26,065 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,517 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,801 |
| England or Wales? | 0 | - | 4.94 | 45,879 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,547 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,309 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,717,649 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,542 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,279 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,612 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,762 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,746 |
| Countries that Border Poland | 0 | - | 4.99 | 172,902 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,114 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,183 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,871 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,884 |
| Countries that Beat France | 0 | - | 4.48 | 76,196 |
| France True or False? | 0 | - | 4.44 | 40,027 |
| French History Multiple Choice | 0 | - | 4.55 | 33,170 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,935 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,379 |
| Roman to Greek God | 0 | - | 4.52 | 123,186 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,989 |
| History of The Netherlands | 0 | - | 4.46 | 17,523 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,545 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,154 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,465 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,162 |
| Finland Country Quiz | 0 | - | 4.51 | 59,893 |
| Norway Country Quiz | 0 | - | 4.45 | 77,663 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,321 |
| Spanish History A-Z | 0 | - | 4.37 | 19,421 |
