| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,453 |
| Roman Emperors | 0 | - | 4.95 | 120,827 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,475 |
| Name that Greek Letter | 0 | - | 4.93 | 324,606 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,990 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,145 |
| Roman Names for Places | 0 | - | 4.62 | 58,598 |
| The Trojan War | 0 | - | 4.83 | 39,923 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,632 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,076 |
| Name the English Monarchs | 0 | - | 4.91 | 505,209 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,231 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,156 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,149 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,010 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,925 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,402 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,125 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,779 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,997 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,326 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,855 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,552 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,043 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,564 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,452 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,585 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,354 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,552 |
| Regions of Italy | 0 | - | 4.92 | 76,629 |
| History of Italy | 0 | - | 4.55 | 32,105 |
| Byzantine History | 0 | - | 4.91 | 28,983 |
| Byzantine Emperors | 0 | - | 4.92 | 14,482 |
| Countries Bordering France | 0 | - | 4.83 | 404,280 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,268 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,988 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,692 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,897 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,865 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,586 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,679 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,001 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,820 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,061 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,373 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,083 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,998 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,693 |
| Counties of Ireland | 0 | - | 4.92 | 196,765 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,688 |
| Roman History by Picture | 0 | - | 4.46 | 26,545 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,742 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,835 |
| British History A-Z #1 | 0 | - | 4.45 | 46,909 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,971 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,905 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,937 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,160 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,072 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,557 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,055 |
| 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 | 188,293 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,939 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,708 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,214 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,909 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,997 |
| English Royal Consorts | 0 | - | 4.38 | 37,475 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,756 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,655 |
| German History A-Z | 0 | - | 4.49 | 24,803 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,164 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,997 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,130 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,276 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,265 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,045 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 142,685 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,203 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,179 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,293 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,661 |
| The Only European Country ... | 0 | - | 4.91 | 218,252 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,098 |
| History of Russia Quiz | 0 | - | 4.47 | 31,980 |
| Ancient Greek Words | 0 | - | 4.93 | 112,205 |
| Italian History A-Z | 0 | - | 4.21 | 17,838 |
| 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 | 800,997 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,036 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,933 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,897 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,250 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,805 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,143 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,582 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,065 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,762 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,906 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,616 |
| Slavic Countries | 0 | - | 4.96 | 112,153 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,946 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,208 |
| Geography of Rome | 0 | - | 4.51 | 16,695 |
| Rome City Trivia | 0 | - | 4.49 | 20,713 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,496 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,825 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,548 |
| Champions League Winners | 0 | - | 4.92 | 1,012,696 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,516 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,576 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,523 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,291 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,207 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,142 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,253 |
| Monarchies of Europe | 0 | - | 4.90 | 98,600 |
| European Countries with One Border | 0 | - | 4.97 | 183,461 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,213 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,014 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,073 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 88,191 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,332 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,511 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,535 |
| Russia Country Quiz | 0 | - | 4.83 | 115,114 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,770 |
| Countries That Border Russia | 0 | - | 4.98 | 463,818 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,604 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,304 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,502 |
| History of Austria | 0 | - | 4.70 | 17,946 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,868 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,307 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,488 |
| Departments of France | 0 | - | 4.93 | 54,819 |
| Geography of the French Empire | 0 | - | 4.45 | 27,193 |
| The French Revolution | 0 | - | 4.47 | 24,108 |
| History of France | 0 | - | 4.61 | 57,445 |
| French History A-Z | 0 | - | 4.27 | 24,957 |
| Germany Country Quiz | 0 | - | 4.83 | 158,538 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,493 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,868 |
| States of Germany | 0 | - | 4.95 | 153,905 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,536 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,502 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,911 |
| Italy Country Quiz | 0 | - | 4.77 | 123,856 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,850 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,144 |
| Serie A Champions | 0 | - | 4.29 | 58,655 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,633 |
| 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 | 114,959 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,555 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,576 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,349 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,413 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,434 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,090 |
| Geography of the British Empire | 0 | - | 4.48 | 39,810 |
| Animals in British History | 0 | - | 4.43 | 26,065 |
| British History A-Z #2 | 0 | - | 4.33 | 9,856 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,519 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,802 |
| England or Wales? | 0 | - | 4.94 | 45,880 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,556 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,311 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,717,792 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,547 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,279 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,614 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,763 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,752 |
| Countries that Border Poland | 0 | - | 4.99 | 172,910 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,115 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,194 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,872 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,891 |
| Countries that Beat France | 0 | - | 4.48 | 76,200 |
| France True or False? | 0 | - | 4.44 | 40,029 |
| French History Multiple Choice | 0 | - | 4.55 | 33,170 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,939 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,383 |
| Roman to Greek God | 0 | - | 4.52 | 123,188 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,991 |
| History of The Netherlands | 0 | - | 4.46 | 17,523 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,546 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,156 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,466 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,162 |
| Finland Country Quiz | 0 | - | 4.51 | 59,898 |
| Norway Country Quiz | 0 | - | 4.45 | 77,666 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,323 |
| Spanish History A-Z | 0 | - | 4.37 | 19,429 |
