| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,271 |
| Roman Emperors | 0 | - | 4.95 | 119,221 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,500 |
| Name that Greek Letter | 0 | - | 4.93 | 322,502 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,622 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,782 |
| Roman Names for Places | 0 | - | 4.62 | 58,045 |
| The Trojan War | 0 | - | 4.83 | 39,559 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,142 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,043 |
| Name the English Monarchs | 0 | - | 4.92 | 500,023 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,134 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,016 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,632 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,877 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,093 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,830 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,239 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,537 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,119 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,736 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,334 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,138 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,512 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,844 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,941 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,479 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,362 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,452 |
| Regions of Italy | 0 | - | 4.92 | 75,184 |
| History of Italy | 0 | - | 4.55 | 31,894 |
| Byzantine History | 0 | - | 4.91 | 28,700 |
| Countries Bordering France | 0 | - | 4.83 | 401,074 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,980 |
| Italy Country Quiz | 0 | - | 4.82 | 122,656 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,803 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,431 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,682 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,461 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,321 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,292 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,630 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,022 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,695 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,973 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,825 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,363 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,301 |
| Counties of Ireland | 0 | - | 4.92 | 193,990 |
| Roman History by Picture | 0 | - | 4.46 | 26,393 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,202 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,828 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,457 |
| British History A-Z #1 | 0 | - | 4.45 | 46,294 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,480 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,334 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,037 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,996 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,515 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,861 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,801 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,736 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,311 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,813 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,137 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,943 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,651 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,121 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,843 |
| English Royal Consorts | 0 | - | 4.37 | 37,266 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,998 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,180 |
| German History A-Z | 0 | - | 4.49 | 24,514 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,865 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,839 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,529 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,081 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,045 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,893 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,927 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,889 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,304 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,335 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,282 |
| The Only European Country ... | 0 | - | 4.91 | 215,079 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,282 |
| History of Russia Quiz | 0 | - | 4.49 | 31,842 |
| Ancient Greek Words | 0 | - | 4.93 | 111,088 |
| Italian History A-Z | 0 | - | 4.21 | 17,624 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,522 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,560 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,091 |
| Counties of England | 0 | - | 4.97 | 792,392 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,712 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,754 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,429 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,129 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,685 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,370 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,749 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,271 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,422 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,720 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,514 |
| Slavic Countries | 0 | - | 4.96 | 111,238 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,132 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,076 |
| Geography of Rome | 0 | - | 4.51 | 16,639 |
| Rome City Trivia | 0 | - | 4.49 | 20,619 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,014 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,669 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,460 |
| Champions League Winners | 0 | - | 4.92 | 1,000,551 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,300 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,610 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,623 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,472 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,357 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,900 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,478 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,226 |
| Monarchies of Europe | 0 | - | 4.90 | 97,687 |
| European Countries with One Border | 0 | - | 4.97 | 182,097 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,965 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,727 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,692 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,673 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,056 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,631 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,875 |
| Russia Country Quiz | 0 | - | 4.85 | 114,029 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,248 |
| Countries That Border Russia | 0 | - | 4.98 | 460,289 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,080 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,521 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,189 |
| History of Austria | 0 | - | 4.70 | 17,797 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,751 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,688 |
| Departments of France | 0 | - | 4.93 | 53,289 |
| Geography of the French Empire | 0 | - | 4.45 | 26,998 |
| The French Revolution | 0 | - | 4.46 | 23,859 |
| History of France | 0 | - | 4.59 | 56,602 |
| French History A-Z | 0 | - | 4.22 | 24,379 |
| Germany Country Quiz | 0 | - | 4.82 | 157,153 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,137 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,538 |
| States of Germany | 0 | - | 4.96 | 151,036 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,402 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,442 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,066 |
| Serie A Champions | 0 | - | 4.29 | 57,967 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 46,271 |
| The Vikings! | 0 | - | 4.46 | 28,285 |
| The Portuguese Empire | 0 | - | 4.58 | 12,027 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,389 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,153 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,023 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,719 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,330 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,830 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,262 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,083 |
| Geography of the British Empire | 0 | - | 4.48 | 39,580 |
| Animals in British History | 0 | - | 4.44 | 25,930 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,386 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,616 |
| England or Wales? | 0 | - | 4.94 | 45,484 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,219 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,673,311 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,757 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,926 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,082 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,115 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,454 |
| Countries that Border Poland | 0 | - | 4.99 | 171,768 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,555 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,492 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,923 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,053 |
| Countries that Beat France | 0 | - | 4.49 | 75,439 |
| France True or False? | 0 | - | 4.43 | 39,858 |
| French History Multiple Choice | 0 | - | 4.55 | 32,943 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,717 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,756 |
| Roman to Greek God | 0 | - | 4.52 | 122,481 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,881 |
| History of The Netherlands | 0 | - | 4.46 | 17,357 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,240 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,640 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,222 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,008 |
| Finland Country Quiz | 0 | - | 4.50 | 59,351 |
| Norway Country Quiz | 0 | - | 4.44 | 76,962 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,978 |
| Spanish History A-Z | 0 | - | 4.37 | 19,222 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,227 |
| Arthurian Legend | 0 | - | 4.33 | 25,075 |
| British Monopoly Board | 0 | - | 4.52 | 41,096 |
