| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,081 |
| Roman Emperors | 0 | - | 4.95 | 118,556 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,256 |
| Name that Greek Letter | 0 | - | 4.94 | 321,777 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,547 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,690 |
| Roman Names for Places | 0 | - | 4.62 | 57,894 |
| The Trojan War | 0 | - | 4.83 | 39,455 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,625 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,396 |
| Name the English Monarchs | 0 | - | 4.92 | 498,208 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,118 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,966 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,479 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,390 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,725 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,645 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,944 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,451 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,909 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,577 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,986 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,014 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,478 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,488 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,173 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,071 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,425 |
| Regions of Italy | 0 | - | 4.92 | 74,794 |
| History of Italy | 0 | - | 4.55 | 31,830 |
| Byzantine History | 0 | - | 4.91 | 28,634 |
| Countries Bordering France | 0 | - | 4.83 | 399,629 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,187 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,559 |
| Italy Country Quiz | 0 | - | 4.82 | 122,286 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,455 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,381 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,316 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,988 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,171 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,530 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,819 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,559 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,834 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,725 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,456 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,045 |
| Counties of Ireland | 0 | - | 4.92 | 193,174 |
| Roman History by Picture | 0 | - | 4.46 | 26,348 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,385 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,733 |
| British History A-Z #1 | 0 | - | 4.45 | 45,984 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,346 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,151 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,783 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,802 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,408 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,631 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,432 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,494 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,293 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,071 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,890 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,709 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,491 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,883 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,398 |
| English Royal Consorts | 0 | - | 4.37 | 37,184 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,622 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,428 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,437 |
| German History A-Z | 0 | - | 4.49 | 24,319 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,788 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,776 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,371 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,039 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,969 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,843 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,241 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,110 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,667 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,409 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,670 |
| The Only European Country ... | 0 | - | 4.91 | 213,991 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,653 |
| History of Russia Quiz | 0 | - | 4.49 | 31,798 |
| Ancient Greek Words | 0 | - | 4.92 | 110,743 |
| Italian History A-Z | 0 | - | 4.21 | 17,462 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,468 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,491 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,990 |
| Counties of England | 0 | - | 4.97 | 789,634 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,530 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,688 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,238 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,747 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,341 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,462 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,507 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,964 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,072 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,317 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,241 |
| Slavic Countries | 0 | - | 4.96 | 110,904 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,538 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,992 |
| Geography of Rome | 0 | - | 4.51 | 16,627 |
| Rome City Trivia | 0 | - | 4.49 | 20,588 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,539 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,620 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,432 |
| Champions League Winners | 0 | - | 4.92 | 996,923 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,960 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,363 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,289 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,151 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,075 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,455 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,949 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,860 |
| Monarchies of Europe | 0 | - | 4.90 | 97,368 |
| European Countries with One Border | 0 | - | 4.97 | 181,690 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,592 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,666 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,343 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,311 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,266 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,002 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,317 |
| Russia Country Quiz | 0 | - | 4.85 | 113,690 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,131 |
| Countries That Border Russia | 0 | - | 4.98 | 459,052 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,878 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,248 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,056 |
| History of Austria | 0 | - | 4.70 | 17,759 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,268 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,274 |
| Departments of France | 0 | - | 4.93 | 52,882 |
| Geography of the French Empire | 0 | - | 4.48 | 26,943 |
| The French Revolution | 0 | - | 4.46 | 23,790 |
| History of France | 0 | - | 4.59 | 56,132 |
| French History A-Z | 0 | - | 4.21 | 22,500 |
| Germany Country Quiz | 0 | - | 4.82 | 156,642 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,774 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,206 |
| States of Germany | 0 | - | 4.96 | 150,200 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,389 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,072 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,136 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,046 |
| Serie A Champions | 0 | - | 4.29 | 57,747 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,869 |
| The Vikings! | 0 | - | 4.46 | 28,251 |
| The Portuguese Empire | 0 | - | 4.54 | 11,996 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,119 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,435 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,707 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,250 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,071 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,381 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,200 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,846 |
| Geography of the British Empire | 0 | - | 4.48 | 39,496 |
| Animals in British History | 0 | - | 4.44 | 25,877 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,347 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,535 |
| England or Wales? | 0 | - | 4.94 | 45,350 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,576 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,657,089 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,336 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,803 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,873 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,865 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,017 |
| Countries that Border Poland | 0 | - | 4.99 | 171,419 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,398 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,622 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,727 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,788 |
| Countries that Beat France | 0 | - | 4.49 | 75,197 |
| France True or False? | 0 | - | 4.43 | 39,792 |
| French History Multiple Choice | 0 | - | 4.55 | 32,884 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,634 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,606 |
| Roman to Greek God | 0 | - | 4.52 | 122,251 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,852 |
| History of The Netherlands | 0 | - | 4.46 | 17,320 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,162 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,461 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,141 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,932 |
| Finland Country Quiz | 0 | - | 4.50 | 59,149 |
| Norway Country Quiz | 0 | - | 4.44 | 76,668 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,876 |
| Spanish History A-Z | 0 | - | 4.37 | 19,107 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,104 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| British Monopoly Board | 0 | - | 4.52 | 41,041 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,341 |
