| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,042 |
| Roman Emperors | 0 | - | 4.95 | 118,479 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,829 |
| Name that Greek Letter | 0 | - | 4.94 | 321,641 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,531 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,665 |
| Roman Names for Places | 0 | - | 4.62 | 57,873 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,527 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,277 |
| Name the English Monarchs | 0 | - | 4.92 | 497,851 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,954 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,447 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,311 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,506 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,896 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,429 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,869 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,067 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,944 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,938 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,410 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,398 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,105 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,010 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,422 |
| Regions of Italy | 0 | - | 4.92 | 74,701 |
| History of Italy | 0 | - | 4.55 | 31,813 |
| Byzantine History | 0 | - | 4.91 | 28,619 |
| Countries Bordering France | 0 | - | 4.83 | 398,984 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,023 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,519 |
| Italy Country Quiz | 0 | - | 4.82 | 122,191 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,363 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,364 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,290 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,992 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,142 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,512 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,773 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,524 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,799 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,675 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,302 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,016 |
| Counties of Ireland | 0 | - | 4.92 | 193,049 |
| Roman History by Picture | 0 | - | 4.46 | 26,340 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,297 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,592 |
| British History A-Z #1 | 0 | - | 4.45 | 45,805 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,319 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,102 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,715 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,759 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,183 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,589 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,367 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,456 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,289 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,927 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,844 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,670 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,460 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,832 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,259 |
| English Royal Consorts | 0 | - | 4.37 | 37,158 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,608 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,157 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,294 |
| German History A-Z | 0 | - | 4.49 | 24,218 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,770 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,767 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,342 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,021 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,952 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,831 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,107 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,963 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,461 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,689 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,538 |
| The Only European Country ... | 0 | - | 4.91 | 213,805 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,521 |
| History of Russia Quiz | 0 | - | 4.49 | 31,789 |
| Ancient Greek Words | 0 | - | 4.92 | 110,685 |
| Italian History A-Z | 0 | - | 4.21 | 17,382 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,459 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,480 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,979 |
| Counties of England | 0 | - | 4.97 | 789,115 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,384 |
| The Reign of Queen Elizabeth II | 0 | - | 4.35 | 35,676 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,878 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,707 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,280 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,295 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,462 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,811 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,860 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,249 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,194 |
| Slavic Countries | 0 | - | 4.96 | 110,850 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,458 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,983 |
| Geography of Rome | 0 | - | 4.51 | 16,625 |
| Rome City Trivia | 0 | - | 4.49 | 20,585 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,466 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,607 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,430 |
| Champions League Winners | 0 | - | 4.92 | 996,261 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,885 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,327 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,237 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,115 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,034 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,379 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,844 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,795 |
| Monarchies of Europe | 0 | - | 4.90 | 97,305 |
| European Countries with One Border | 0 | - | 4.97 | 181,612 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,515 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,508 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,193 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,233 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,153 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,753 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,236 |
| Russia Country Quiz | 0 | - | 4.85 | 113,623 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,959 |
| Countries That Border Russia | 0 | - | 4.98 | 458,892 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,846 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,190 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,033 |
| History of Austria | 0 | - | 4.70 | 17,746 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,112 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,180 |
| Departments of France | 0 | - | 4.93 | 52,802 |
| Geography of the French Empire | 0 | - | 4.48 | 26,929 |
| The French Revolution | 0 | - | 4.46 | 23,783 |
| History of France | 0 | - | 4.59 | 56,030 |
| French History A-Z | 0 | - | 4.17 | 18,655 |
| Germany Country Quiz | 0 | - | 4.82 | 156,533 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,676 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,137 |
| States of Germany | 0 | - | 4.96 | 150,026 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,383 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,006 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,072 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,041 |
| Serie A Champions | 0 | - | 4.29 | 57,724 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,804 |
| The Vikings! | 0 | - | 4.45 | 28,244 |
| The Portuguese Empire | 0 | - | 4.54 | 11,990 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,949 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,320 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,630 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,140 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,906 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,262 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,173 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,767 |
| Geography of the British Empire | 0 | - | 4.48 | 39,470 |
| Animals in British History | 0 | - | 4.44 | 25,869 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,338 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,405 |
| England or Wales? | 0 | - | 4.94 | 45,310 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,485 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,653,921 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,245 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,788 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,848 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,789 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,965 |
| Countries that Border Poland | 0 | - | 4.99 | 171,340 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,371 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,440 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,693 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,738 |
| Countries that Beat France | 0 | - | 4.49 | 75,166 |
| France True or False? | 0 | - | 4.43 | 39,781 |
| French History Multiple Choice | 0 | - | 4.55 | 32,877 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,624 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,584 |
| Roman to Greek God | 0 | - | 4.52 | 122,205 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,846 |
| History of The Netherlands | 0 | - | 4.46 | 17,310 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,140 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,427 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,118 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,931 |
| Finland Country Quiz | 0 | - | 4.50 | 59,111 |
| Norway Country Quiz | 0 | - | 4.44 | 76,617 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,855 |
| Spanish History A-Z | 0 | - | 4.36 | 19,032 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,074 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| British Monopoly Board | 0 | - | 4.52 | 41,033 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,253 |
