| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,099 |
| Roman Emperors | 0 | - | 4.95 | 118,596 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,417 |
| Name that Greek Letter | 0 | - | 4.94 | 321,813 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,555 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,699 |
| Roman Names for Places | 0 | - | 4.62 | 57,906 |
| The Trojan War | 0 | - | 4.83 | 39,461 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,672 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,444 |
| Name the English Monarchs | 0 | - | 4.92 | 498,340 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,118 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,970 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,493 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,420 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,849 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,654 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,963 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,460 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,935 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,731 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,006 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,038 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,497 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,526 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,189 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,091 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,428 |
| Regions of Italy | 0 | - | 4.92 | 74,816 |
| History of Italy | 0 | - | 4.55 | 31,837 |
| Byzantine History | 0 | - | 4.91 | 28,644 |
| Countries Bordering France | 0 | - | 4.83 | 399,823 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,252 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,568 |
| Italy Country Quiz | 0 | - | 4.82 | 122,315 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,503 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,385 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,325 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,768 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,182 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,533 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,838 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,569 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,839 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,737 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,507 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,054 |
| Counties of Ireland | 0 | - | 4.92 | 193,222 |
| Roman History by Picture | 0 | - | 4.46 | 26,350 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,417 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,776 |
| British History A-Z #1 | 0 | - | 4.45 | 46,062 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,360 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,169 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,798 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,822 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,488 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,646 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,465 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,514 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,293 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,122 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,906 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,726 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,507 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,904 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,433 |
| English Royal Consorts | 0 | - | 4.37 | 37,191 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,625 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,550 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,493 |
| German History A-Z | 0 | - | 4.49 | 24,373 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,797 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,779 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,386 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,041 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,973 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,849 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,295 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,173 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,184 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,597 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,703 |
| The Only European Country ... | 0 | - | 4.91 | 214,077 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,718 |
| History of Russia Quiz | 0 | - | 4.49 | 31,801 |
| Ancient Greek Words | 0 | - | 4.92 | 110,777 |
| Italian History A-Z | 0 | - | 4.21 | 17,506 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,469 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,494 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,995 |
| Counties of England | 0 | - | 4.97 | 789,814 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,548 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,694 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,416 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,774 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,376 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,522 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,526 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,017 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,145 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,348 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,271 |
| Slavic Countries | 0 | - | 4.96 | 110,922 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,599 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,001 |
| Geography of Rome | 0 | - | 4.51 | 16,627 |
| Rome City Trivia | 0 | - | 4.49 | 20,589 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,599 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,623 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,433 |
| Champions League Winners | 0 | - | 4.92 | 997,215 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,991 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,401 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,316 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,169 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,086 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,491 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,994 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,886 |
| Monarchies of Europe | 0 | - | 4.90 | 97,386 |
| European Countries with One Border | 0 | - | 4.97 | 181,720 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,627 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,737 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,410 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,345 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,319 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,096 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,351 |
| Russia Country Quiz | 0 | - | 4.85 | 113,702 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,218 |
| Countries That Border Russia | 0 | - | 4.98 | 459,128 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,899 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,262 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,074 |
| History of Austria | 0 | - | 4.70 | 17,764 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,298 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,319 |
| Departments of France | 0 | - | 4.93 | 52,916 |
| Geography of the French Empire | 0 | - | 4.48 | 26,944 |
| The French Revolution | 0 | - | 4.46 | 23,797 |
| History of France | 0 | - | 4.59 | 56,160 |
| French History A-Z | 0 | - | 4.21 | 23,138 |
| Germany Country Quiz | 0 | - | 4.82 | 156,683 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,811 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,247 |
| States of Germany | 0 | - | 4.96 | 150,254 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,391 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,094 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,170 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,048 |
| Serie A Champions | 0 | - | 4.29 | 57,759 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,887 |
| The Vikings! | 0 | - | 4.46 | 28,251 |
| The Portuguese Empire | 0 | - | 4.54 | 11,997 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,147 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,458 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,725 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,288 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,088 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,419 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,208 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,877 |
| Geography of the British Empire | 0 | - | 4.48 | 39,503 |
| Animals in British History | 0 | - | 4.44 | 25,881 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,351 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,549 |
| England or Wales? | 0 | - | 4.94 | 45,362 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,632 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,658,258 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,370 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,815 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,895 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,881 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,046 |
| Countries that Border Poland | 0 | - | 4.99 | 171,438 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,413 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,690 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,745 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,810 |
| Countries that Beat France | 0 | - | 4.49 | 75,219 |
| France True or False? | 0 | - | 4.43 | 39,794 |
| French History Multiple Choice | 0 | - | 4.55 | 32,889 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,640 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,615 |
| Roman to Greek God | 0 | - | 4.52 | 122,272 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,855 |
| History of The Netherlands | 0 | - | 4.46 | 17,325 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,171 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,474 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,150 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,940 |
| Finland Country Quiz | 0 | - | 4.50 | 59,166 |
| Norway Country Quiz | 0 | - | 4.44 | 76,694 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,883 |
| Spanish History A-Z | 0 | - | 4.37 | 19,141 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,111 |
| Arthurian Legend | 0 | - | 4.33 | 25,053 |
| British Monopoly Board | 0 | - | 4.52 | 41,042 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,362 |
