| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,499 |
| Name that Greek Letter | 0 | - | 4.93 | 324,079 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,621 |
| Roman Emperors | 0 | - | 4.95 | 120,307 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,371 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,546 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,237 |
| Roman History by Picture | 0 | - | 4.46 | 26,489 |
| Ancient Greek Words | 0 | - | 4.93 | 111,830 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,639 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,726 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,778 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,983 |
| Roman Names for Places | 0 | - | 4.62 | 58,378 |
| The Trojan War | 0 | - | 4.83 | 39,779 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,104 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,151 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,619 |
| Byzantine History | 0 | - | 4.91 | 28,907 |
| Byzantine Emperors | 0 | - | 4.92 | 14,333 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,649 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,049 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,989 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,247 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,071 |
| Regions of Italy | 0 | - | 4.92 | 76,165 |
| History of Italy | 0 | - | 4.55 | 32,039 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,978 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,202 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,517 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,577 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,599 |
| British History A-Z #1 | 0 | - | 4.45 | 46,558 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,763 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,856 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,406 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,992 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,256 |
| Name the English Monarchs | 0 | - | 4.91 | 503,622 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,822 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,397 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,784 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,553 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,326 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,155 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,058 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,517 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,944 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,394 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,608 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,140 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,700 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,685 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,881 |
| German History A-Z | 0 | - | 4.49 | 24,646 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,817 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,697 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,965 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,212 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,451 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,768 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,423 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,337 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,258 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,586 |
| The Only European Country ... | 0 | - | 4.91 | 217,220 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,462 |
| History of Russia Quiz | 0 | - | 4.47 | 31,943 |
| Italy A-Z | 0 | - | 4.49 | 58,401 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,711 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,286 |
| Counties of England | 0 | - | 4.97 | 798,338 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,933 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,701 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,711 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,864 |
| Premier League Relegated Teams | 0 | - | 4.81 | 126,774 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,680 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,850 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,369 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,004 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,197 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,768 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,315 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,607 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,083 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,628 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,938 |
| Monarchies of Europe | 0 | - | 4.90 | 98,290 |
| European Countries with One Border | 0 | - | 4.97 | 183,042 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,816 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 80,971 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,495 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,344 |
| Slavic Countries | 0 | - | 4.96 | 111,824 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,838 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,036 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,720 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,061 |
| States of Germany | 0 | - | 4.95 | 153,011 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,220 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,121 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,364 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,259 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,367 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,104 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,473 |
| Champions League Winners | 0 | - | 4.91 | 1,009,119 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,033 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,260 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,182 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,759 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,236 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,489 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,765 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,955 |
| Russia Country Quiz | 0 | - | 4.83 | 114,644 |
| Countries That Border Russia | 0 | - | 4.98 | 462,594 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,437 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,399 |
| History of Austria | 0 | - | 4.70 | 17,893 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,749 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,047 |
| Departments of France | 0 | - | 4.93 | 54,380 |
| Geography of the French Empire | 0 | - | 4.45 | 27,148 |
| The French Revolution | 0 | - | 4.47 | 24,046 |
| Countries Bordering France | 0 | - | 4.83 | 403,321 |
| History of France | 0 | - | 4.59 | 57,223 |
| Germany Country Quiz | 0 | - | 4.83 | 158,102 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,548 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,393 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,821 |
| Roman to Greek God | 0 | - | 4.52 | 122,966 |
| Italy Country Quiz | 0 | - | 4.77 | 123,554 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,252 |
| Serie A Champions | 0 | - | 4.29 | 58,419 |
| The Vikings! | 0 | - | 4.46 | 28,366 |
| The Portuguese Empire | 0 | - | 4.58 | 12,081 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,064 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,938 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,905 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,394 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,621 |
| Geography of the British Empire | 0 | - | 4.48 | 39,729 |
| Medieval English History | 0 | - | 4.53 | 43,559 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,734 |
| England or Wales? | 0 | - | 4.94 | 45,772 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,862 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,705,814 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,998 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,254 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,167 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,480 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,584 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,298 |
| Countries that Border Poland | 0 | - | 4.99 | 172,529 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,943 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,006 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,349 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,376 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,914 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,866 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,611 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,836 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,592 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,945 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,256 |
| France True or False? | 0 | - | 4.44 | 39,977 |
| French History Multiple Choice | 0 | - | 4.55 | 33,106 |
| Germany A-Z | 0 | - | 4.56 | 62,674 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,665 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,188 |
| History of Germany | 0 | - | 4.39 | 52,883 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,368 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,494 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,711 |
| Counties of Ireland | 0 | - | 4.92 | 195,882 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,496 |
| Italian History A-Z | 0 | - | 4.21 | 17,735 |
| History of The Netherlands | 0 | - | 4.46 | 17,469 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,115 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,468 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,270 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,038 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,393 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,143 |
| Monty Python Quotes | 0 | - | 4.89 | 42,496 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,357 |
| Roald Dahl Books | 0 | - | 4.44 | 34,074 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,403 |
| Middle Earth Geography | 0 | - | 4.56 | 39,857 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,543 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,865 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,935 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,015 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,775 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,834 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,179 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,743 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,198 |
