| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,443 |
| Name that Greek Letter | 0 | - | 4.93 | 324,072 |
| The Trojan War | 0 | - | 4.83 | 39,778 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,090 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,343 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,618 |
| Roman Emperors | 0 | - | 4.95 | 120,298 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,805 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,697 |
| Name the English Monarchs | 0 | - | 4.91 | 503,575 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,516 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,054 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,940 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,777 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,980 |
| Roman Names for Places | 0 | - | 4.62 | 58,375 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,368 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,149 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,592 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,638 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,012 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,976 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,236 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,062 |
| Ancient Greek Words | 0 | - | 4.93 | 111,825 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,201 |
| Countries Bordering France | 0 | - | 4.83 | 403,289 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,347 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,115 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,832 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,741 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,556 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,551 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,834 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,581 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,938 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,251 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,003 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,169 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,161 |
| Counties of Ireland | 0 | - | 4.92 | 195,846 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,986 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,250 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,252 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,431 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,115 |
| British History A-Z #1 | 0 | - | 4.45 | 46,557 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,761 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,704 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,764 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,948 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,749 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,323 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,660 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,149 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,821 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,353 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,601 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,694 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,463 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,034 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,674 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,610 |
| English Royal Consorts | 0 | - | 4.38 | 37,398 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,332 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,857 |
| German History A-Z | 0 | - | 4.49 | 24,645 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,039 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,390 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,964 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,211 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,195 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,991 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,727 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,406 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,176 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,220 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,567 |
| The Only European Country ... | 0 | - | 4.91 | 217,194 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,449 |
| History of Russia Quiz | 0 | - | 4.47 | 31,943 |
| History of Italy | 0 | - | 4.55 | 32,037 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,708 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,284 |
| Counties of England | 0 | - | 4.97 | 798,258 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,929 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,864 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,567 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,845 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,361 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,170 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,311 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,031 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,570 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,484 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,342 |
| Slavic Countries | 0 | - | 4.96 | 111,821 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,505 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,543 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,702 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,234 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,782 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,519 |
| Champions League Winners | 0 | - | 4.91 | 1,008,967 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,021 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,254 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,173 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,999 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,757 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,594 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,931 |
| Monarchies of Europe | 0 | - | 4.90 | 98,279 |
| European Countries with One Border | 0 | - | 4.97 | 183,027 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,799 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,730 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,214 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 79,021 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,469 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,737 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,943 |
| Russia Country Quiz | 0 | - | 4.83 | 114,632 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,814 |
| Countries That Border Russia | 0 | - | 4.98 | 462,549 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,434 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,028 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,398 |
| History of Austria | 0 | - | 4.70 | 17,891 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,749 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,709 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,029 |
| Departments of France | 0 | - | 4.93 | 54,361 |
| Geography of the French Empire | 0 | - | 4.45 | 27,147 |
| The French Revolution | 0 | - | 4.47 | 24,043 |
| History of France | 0 | - | 4.59 | 57,212 |
| French History A-Z | 0 | - | 4.27 | 24,732 |
| Germany Country Quiz | 0 | - | 4.83 | 158,093 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,051 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,539 |
| States of Germany | 0 | - | 4.95 | 152,984 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,211 |
| Greece Country Quiz | 0 | - | 4.74 | 66,340 |
| Regions of Italy | 0 | - | 4.92 | 76,139 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,572 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,227 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,598 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,355 |
| The Vikings! | 0 | - | 4.46 | 28,365 |
| The Portuguese Empire | 0 | - | 4.58 | 12,080 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,057 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,240 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,883 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,341 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,099 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,890 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,388 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,612 |
| Geography of the British Empire | 0 | - | 4.48 | 39,727 |
| Animals in British History | 0 | - | 4.43 | 26,033 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,470 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,731 |
| England or Wales? | 0 | - | 4.94 | 45,766 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,836 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,705,622 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,993 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,166 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,477 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,578 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,285 |
| Countries that Border Poland | 0 | - | 4.99 | 172,517 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,938 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,331 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,362 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,597 |
| Countries that Beat France | 0 | - | 4.49 | 75,982 |
| France True or False? | 0 | - | 4.44 | 39,972 |
| French History Multiple Choice | 0 | - | 4.55 | 33,104 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,847 |
| Roman to Greek God | 0 | - | 4.52 | 122,958 |
| Italian History A-Z | 0 | - | 4.21 | 17,735 |
| Roman History by Picture | 0 | - | 4.46 | 26,489 |
| Byzantine History | 0 | - | 4.91 | 28,906 |
| Byzantine Emperors | 0 | - | 4.92 | 14,327 |
| History of The Netherlands | 0 | - | 4.46 | 17,468 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,391 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,983 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,406 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,114 |
| Finland Country Quiz | 0 | - | 4.50 | 59,754 |
| Norway Country Quiz | 0 | - | 4.44 | 77,455 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,218 |
| Spanish History A-Z | 0 | - | 4.37 | 19,318 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,498 |
| Arthurian Legend | 0 | - | 4.33 | 25,127 |
| British Monopoly Board | 0 | - | 4.52 | 41,186 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,292 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,393 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,935 |
| Medieval English History | 0 | - | 4.53 | 43,559 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,790 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,253 |
