| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,468 |
| Name that Greek Letter | 0 | - | 4.94 | 322,144 |
| Ancient Greek Words | 0 | - | 4.93 | 110,945 |
| The Trojan War | 0 | - | 4.83 | 39,504 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,916 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,104 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,107 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,523 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,477 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,664 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,265 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,681 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,728 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,344 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,229 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,497 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,273 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,737 |
| British History A-Z #1 | 0 | - | 4.45 | 46,217 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,426 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,619 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,497 |
| Roman History by Picture | 0 | - | 4.46 | 26,371 |
| Name the English Monarchs | 0 | - | 4.92 | 499,165 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,691 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,260 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,941 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,231 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,735 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,608 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,829 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,305 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,807 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,181 |
| Roman Emperors | 0 | - | 4.95 | 118,843 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,019 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,987 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,832 |
| German History A-Z | 0 | - | 4.49 | 24,479 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,498 |
| Roman to Greek God | 0 | - | 4.52 | 122,386 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,995 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,448 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,062 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,082 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,613 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,544 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,199 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,891 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,004 |
| The Only European Country ... | 0 | - | 4.91 | 214,601 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,998 |
| History of Russia Quiz | 0 | - | 4.49 | 31,820 |
| Mythology A-Z | 0 | - | 4.31 | 37,059 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,696 |
| History of Italy | 0 | - | 4.55 | 31,866 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,516 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,524 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,043 |
| Counties of England | 0 | - | 4.97 | 791,143 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,652 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,428 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,254 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,726 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,409 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,527 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,964 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,542 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,211 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,948 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,677 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,642 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,222 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,822 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,860 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,049 |
| Monarchies of Europe | 0 | - | 4.90 | 97,541 |
| European Countries with One Border | 0 | - | 4.97 | 181,898 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,804 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,526 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,528 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,377 |
| Slavic Countries | 0 | - | 4.96 | 111,065 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,769 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,369 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,507 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,000 |
| States of Germany | 0 | - | 4.96 | 150,680 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,217 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,044 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,443 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,266 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,285 |
| Regions of Italy | 0 | - | 4.92 | 74,990 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,993 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,828 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,541 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,199 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,371 |
| Champions League Winners | 0 | - | 4.92 | 998,788 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,135 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,448 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,320 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,165 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,736 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,650 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,802 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,584 |
| Russia Country Quiz | 0 | - | 4.85 | 113,857 |
| Countries That Border Russia | 0 | - | 4.98 | 459,823 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,985 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,124 |
| History of Austria | 0 | - | 4.70 | 17,780 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,461 |
| Departments of France | 0 | - | 4.93 | 53,074 |
| Geography of the French Empire | 0 | - | 4.45 | 26,969 |
| The French Revolution | 0 | - | 4.46 | 23,834 |
| Countries Bordering France | 0 | - | 4.83 | 400,588 |
| History of France | 0 | - | 4.59 | 56,409 |
| Germany Country Quiz | 0 | - | 4.82 | 156,886 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,395 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,410 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,601 |
| Greece Country Quiz | 0 | - | 4.74 | 65,879 |
| Italy Country Quiz | 0 | - | 4.82 | 122,478 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,645 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,311 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,073 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,409 |
| Byzantine History | 0 | - | 4.91 | 28,668 |
| The Vikings! | 0 | - | 4.46 | 28,269 |
| The Portuguese Empire | 0 | - | 4.58 | 12,008 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,267 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,862 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,603 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,238 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,979 |
| Geography of the British Empire | 0 | - | 4.48 | 39,542 |
| Medieval English History | 0 | - | 4.53 | 43,355 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,583 |
| England or Wales? | 0 | - | 4.94 | 45,422 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,889 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,665,943 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,549 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,128 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,861 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,000 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,008 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,235 |
| Countries that Border Poland | 0 | - | 4.99 | 171,605 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,476 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,109 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,098 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,837 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,683 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,614 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,934 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,573 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,476 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,936 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,635 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,904 |
| France True or False? | 0 | - | 4.43 | 39,826 |
| Germany A-Z | 0 | - | 4.56 | 62,401 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,652 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,940 |
| History of Germany | 0 | - | 4.39 | 52,677 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,684 |
| Counties of Ireland | 0 | - | 4.92 | 193,639 |
| Italy A-Z | 0 | - | 4.49 | 57,893 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,572 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,029 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,679 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,589 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,741 |
| Roman Names for Places | 0 | - | 4.62 | 57,977 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,803 |
| History of The Netherlands | 0 | - | 4.46 | 17,347 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,983 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,847 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,975 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,585 |
| Arthurian Legend | 0 | - | 4.33 | 25,065 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,211 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,128 |
| Monty Python Quotes | 0 | - | 4.88 | 42,353 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,735 |
| Roald Dahl Books | 0 | - | 4.44 | 33,960 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,242 |
| Middle Earth Geography | 0 | - | 4.56 | 39,585 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 80,941 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,595 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,730 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,649 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,708 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,654 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,096 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,393 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,665 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,005 |
