| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,151 |
| Roman Emperors | 0 | - | 4.95 | 118,759 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,158 |
| Name that Greek Letter | 0 | - | 4.94 | 322,031 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,580 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,735 |
| Roman Names for Places | 0 | - | 4.62 | 57,952 |
| The Trojan War | 0 | - | 4.83 | 39,485 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,835 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,655 |
| Name the English Monarchs | 0 | - | 4.92 | 498,928 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,120 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,990 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,330 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,710 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,053 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,488 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,546 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,597 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,000 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,631 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,293 |
| Byzantine History | 0 | - | 4.91 | 28,660 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,192 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,635 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,657 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,306 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,191 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,439 |
| Regions of Italy | 0 | - | 4.92 | 74,938 |
| History of Italy | 0 | - | 4.55 | 31,858 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,050 |
| Countries Bordering France | 0 | - | 4.83 | 400,410 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,487 |
| Italy Country Quiz | 0 | - | 4.82 | 122,431 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,593 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,402 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,647 |
| British History A-Z #1 | 0 | - | 4.45 | 46,195 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,378 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,412 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,229 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,728 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,565 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,903 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,609 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,887 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,762 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,817 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,089 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,370 |
| Counties of Ireland | 0 | - | 4.92 | 193,516 |
| Roman History by Picture | 0 | - | 4.46 | 26,365 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,498 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,894 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,229 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,648 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,039 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,899 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,885 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,027 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,800 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,218 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,705 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,585 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,587 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,821 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,300 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,803 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,975 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,810 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,563 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,954 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,602 |
| English Royal Consorts | 0 | - | 4.37 | 37,225 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,719 |
| German History A-Z | 0 | - | 4.49 | 24,465 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,423 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,058 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,994 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,863 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,517 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,428 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,178 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,478 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,917 |
| The Only European Country ... | 0 | - | 4.91 | 214,419 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,910 |
| History of Russia Quiz | 0 | - | 4.49 | 31,812 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,830 |
| Ancient Greek Words | 0 | - | 4.92 | 110,885 |
| Italian History A-Z | 0 | - | 4.21 | 17,588 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,490 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,733 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,517 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,023 |
| Counties of England | 0 | - | 4.97 | 790,599 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,629 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,720 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,075 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,612 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,500 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,898 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,484 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,172 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,816 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,610 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,618 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,138 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,330 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,685 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,986 |
| Monarchies of Europe | 0 | - | 4.90 | 97,491 |
| European Countries with One Border | 0 | - | 4.97 | 181,837 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,736 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,495 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,464 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,354 |
| Slavic Countries | 0 | - | 4.96 | 111,026 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,592 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,333 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,454 |
| French History A-Z | 0 | - | 4.22 | 24,051 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,952 |
| States of Germany | 0 | - | 4.96 | 150,542 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,174 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,027 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,054 |
| Geography of Rome | 0 | - | 4.51 | 16,631 |
| Rome City Trivia | 0 | - | 4.49 | 20,602 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,963 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,624 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,495 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,170 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,639 |
| Animals in British History | 0 | - | 4.44 | 25,900 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,442 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,363 |
| Champions League Winners | 0 | - | 4.92 | 998,213 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,090 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,399 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,275 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,003 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,623 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,530 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,576 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,498 |
| Russia Country Quiz | 0 | - | 4.85 | 113,813 |
| Countries That Border Russia | 0 | - | 4.98 | 459,678 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,965 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,111 |
| History of Austria | 0 | - | 4.70 | 17,776 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,421 |
| Departments of France | 0 | - | 4.93 | 53,031 |
| Geography of the French Empire | 0 | - | 4.45 | 26,963 |
| The French Revolution | 0 | - | 4.46 | 23,824 |
| History of France | 0 | - | 4.59 | 56,338 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,683 |
| Germany Country Quiz | 0 | - | 4.82 | 156,827 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,358 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,404 |
| Roman to Greek God | 0 | - | 4.52 | 122,340 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,281 |
| Serie A Champions | 0 | - | 4.29 | 57,841 |
| The Vikings! | 0 | - | 4.46 | 28,263 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,527 |
| Finland Country Quiz | 0 | - | 4.50 | 59,227 |
| Norway Country Quiz | 0 | - | 4.44 | 76,790 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,917 |
| The Portuguese Empire | 0 | - | 4.54 | 12,005 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,225 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,830 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,142 |
| British Monopoly Board | 0 | - | 4.52 | 41,073 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,561 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,229 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,958 |
| Geography of the British Empire | 0 | - | 4.48 | 39,530 |
| Medieval English History | 0 | - | 4.53 | 43,350 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,578 |
| England or Wales? | 0 | - | 4.94 | 45,404 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,803 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,663,474 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,493 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,117 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,844 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,952 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,964 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,169 |
| Countries that Border Poland | 0 | - | 4.99 | 171,560 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,463 |
| Countries that Beat Russia | 0 | - | 4.84 | 82,060 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,971 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,807 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,673 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,598 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,894 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,462 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,916 |
| Countries that Beat France | 0 | - | 4.49 | 75,290 |
