| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,440 |
| Roman Emperors | 0 | - | 4.95 | 119,717 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,389 |
| Name that Greek Letter | 0 | - | 4.93 | 323,171 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,705 |
| Roman Names for Places | 0 | - | 4.62 | 58,203 |
| The Trojan War | 0 | - | 4.83 | 39,664 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,604 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,614 |
| Name the English Monarchs | 0 | - | 4.91 | 501,751 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,169 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,061 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,770 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,784 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,473 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,025 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,513 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,618 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,349 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,905 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,796 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,269 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,951 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 77,580 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,349 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,759 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,660 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,482 |
| Regions of Italy | 0 | - | 4.92 | 75,649 |
| History of Italy | 0 | - | 4.55 | 31,945 |
| Byzantine History | 0 | - | 4.91 | 28,762 |
| Countries Bordering France | 0 | - | 4.83 | 402,032 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,711 |
| Italy Country Quiz | 0 | - | 4.82 | 123,258 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,170 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,526 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,750 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,600 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,086 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,418 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,731 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,218 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,806 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,108 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,912 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,236 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,406 |
| Counties of Ireland | 0 | - | 4.92 | 194,798 |
| Roman History by Picture | 0 | - | 4.46 | 26,443 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,965 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,714 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,133 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,287 |
| British History A-Z #1 | 0 | - | 4.45 | 46,418 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,601 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,499 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,561 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,722 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,653 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,083 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,155 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,933 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,333 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,538 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,424 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,182 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,810 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,415 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,224 |
| English Royal Consorts | 0 | - | 4.37 | 37,331 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,536 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,080 |
| German History A-Z | 0 | - | 4.49 | 24,581 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,951 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,885 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,685 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,132 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,111 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,929 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,715 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,639 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,840 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,714 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,917 |
| The Only European Country ... | 0 | - | 4.91 | 216,117 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,850 |
| History of Russia Quiz | 0 | - | 4.49 | 31,887 |
| Ancient Greek Words | 0 | - | 4.93 | 111,406 |
| Italian History A-Z | 0 | - | 4.21 | 17,684 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,580 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,631 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,180 |
| Counties of England | 0 | - | 4.97 | 795,184 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,807 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,815 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,782 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,480 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,024 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,270 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,031 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,083 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,864 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,064 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,803 |
| Slavic Countries | 0 | - | 4.96 | 111,526 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,747 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,123 |
| Geography of Rome | 0 | - | 4.51 | 16,654 |
| Rome City Trivia | 0 | - | 4.49 | 20,654 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,598 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,722 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,490 |
| Champions League Winners | 0 | - | 4.92 | 1,004,500 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,657 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,975 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,833 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,715 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,303 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,001 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,554 |
| Monarchies of Europe | 0 | - | 4.90 | 97,991 |
| European Countries with One Border | 0 | - | 4.97 | 182,565 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,377 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,749 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,423 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,055 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,782 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,203 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,420 |
| Russia Country Quiz | 0 | - | 4.85 | 114,320 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,547 |
| Countries That Border Russia | 0 | - | 4.98 | 461,242 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,260 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,767 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,308 |
| History of Austria | 0 | - | 4.70 | 17,841 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,636 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,217 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,518 |
| Departments of France | 0 | - | 4.93 | 53,882 |
| Geography of the French Empire | 0 | - | 4.45 | 27,034 |
| The French Revolution | 0 | - | 4.46 | 23,913 |
| History of France | 0 | - | 4.59 | 56,872 |
| French History A-Z | 0 | - | 4.23 | 24,572 |
| Germany Country Quiz | 0 | - | 4.82 | 157,647 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,590 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,937 |
| States of Germany | 0 | - | 4.96 | 152,048 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,464 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,920 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,854 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,090 |
| Serie A Champions | 0 | - | 4.29 | 58,168 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,971 |
| The Vikings! | 0 | - | 4.46 | 28,324 |
| The Portuguese Empire | 0 | - | 4.58 | 12,053 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,714 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,713 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,420 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,082 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,892 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,295 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,313 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,341 |
| Geography of the British Empire | 0 | - | 4.48 | 39,637 |
| Animals in British History | 0 | - | 4.44 | 25,980 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,426 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,665 |
| England or Wales? | 0 | - | 4.94 | 45,620 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,961 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,690,255 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,578 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,059 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,295 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,364 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,851 |
| Countries that Border Poland | 0 | - | 4.99 | 172,110 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,747 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,379 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,120 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,282 |
| Countries that Beat France | 0 | - | 4.49 | 75,655 |
| France True or False? | 0 | - | 4.44 | 39,916 |
| French History Multiple Choice | 0 | - | 4.55 | 33,006 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,766 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,887 |
| Roman to Greek God | 0 | - | 4.52 | 122,679 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,928 |
| History of The Netherlands | 0 | - | 4.46 | 17,416 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,316 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,817 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,323 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,059 |
| Finland Country Quiz | 0 | - | 4.50 | 59,567 |
| Norway Country Quiz | 0 | - | 4.44 | 77,216 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,095 |
| Spanish History A-Z | 0 | - | 4.37 | 19,274 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,362 |
| Arthurian Legend | 0 | - | 4.33 | 25,100 |
| British Monopoly Board | 0 | - | 4.52 | 41,147 |
