| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,368 |
| Name that Greek Letter | 0 | - | 4.94 | 322,120 |
| Ancient Greek Words | 0 | - | 4.92 | 110,922 |
| The Trojan War | 0 | - | 4.83 | 39,501 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,883 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,099 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,084 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,465 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,452 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,644 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,245 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,671 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,704 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,335 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,216 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,491 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,271 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,731 |
| British History A-Z #1 | 0 | - | 4.45 | 46,206 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,419 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,099 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,497 |
| Roman History by Picture | 0 | - | 4.46 | 26,370 |
| Name the English Monarchs | 0 | - | 4.92 | 499,073 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,613 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,203 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,904 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,223 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,727 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,599 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,826 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,304 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,806 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,173 |
| Roman Emperors | 0 | - | 4.95 | 118,815 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,009 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,973 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,807 |
| German History A-Z | 0 | - | 4.49 | 24,475 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,496 |
| Roman to Greek God | 0 | - | 4.52 | 122,373 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,995 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,441 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,062 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,072 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,600 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,514 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,886 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,787 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,970 |
| The Only European Country ... | 0 | - | 4.91 | 214,561 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,972 |
| History of Russia Quiz | 0 | - | 4.49 | 31,819 |
| Mythology A-Z | 0 | - | 4.31 | 37,058 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,693 |
| History of Italy | 0 | - | 4.55 | 31,864 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,458 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,524 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,037 |
| Counties of England | 0 | - | 4.97 | 790,975 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,648 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,426 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,248 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,725 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,337 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,519 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,938 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,520 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,197 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,910 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,656 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,635 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,196 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,664 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,828 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,027 |
| Monarchies of Europe | 0 | - | 4.90 | 97,519 |
| European Countries with One Border | 0 | - | 4.97 | 181,876 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,781 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,513 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,513 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,373 |
| Slavic Countries | 0 | - | 4.96 | 111,057 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,703 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,360 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,493 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,987 |
| States of Germany | 0 | - | 4.96 | 150,657 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,204 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,041 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,441 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,261 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,278 |
| Regions of Italy | 0 | - | 4.92 | 74,970 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,987 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,784 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,529 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,189 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,368 |
| Champions League Winners | 0 | - | 4.92 | 998,625 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,122 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,426 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,307 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,108 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,707 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,617 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,721 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,559 |
| Russia Country Quiz | 0 | - | 4.85 | 113,838 |
| Countries That Border Russia | 0 | - | 4.98 | 459,782 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,978 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,124 |
| History of Austria | 0 | - | 4.70 | 17,779 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,448 |
| Departments of France | 0 | - | 4.93 | 53,064 |
| Geography of the French Empire | 0 | - | 4.45 | 26,964 |
| The French Revolution | 0 | - | 4.46 | 23,832 |
| Countries Bordering France | 0 | - | 4.83 | 400,546 |
| History of France | 0 | - | 4.59 | 56,384 |
| Germany Country Quiz | 0 | - | 4.82 | 156,865 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,383 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,409 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,570 |
| Greece Country Quiz | 0 | - | 4.74 | 65,871 |
| Italy Country Quiz | 0 | - | 4.82 | 122,459 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,623 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,301 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,067 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,408 |
| Byzantine History | 0 | - | 4.91 | 28,666 |
| The Vikings! | 0 | - | 4.46 | 28,268 |
| The Portuguese Empire | 0 | - | 4.54 | 12,008 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,251 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,851 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,587 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,238 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,976 |
| Geography of the British Empire | 0 | - | 4.48 | 39,537 |
| Medieval English History | 0 | - | 4.53 | 43,352 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,581 |
| England or Wales? | 0 | - | 4.94 | 45,414 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,869 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,665,103 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,532 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,125 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,858 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,982 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,997 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,217 |
| Countries that Border Poland | 0 | - | 4.99 | 171,596 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,474 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,091 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,049 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,825 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,679 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,607 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,919 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,573 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,471 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,927 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,624 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,896 |
| France True or False? | 0 | - | 4.43 | 39,826 |
| Germany A-Z | 0 | - | 4.56 | 62,397 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,634 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,906 |
| History of Germany | 0 | - | 4.39 | 52,671 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,682 |
| Counties of Ireland | 0 | - | 4.92 | 193,616 |
| Italy A-Z | 0 | - | 4.49 | 57,879 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,564 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,024 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,649 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,587 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,738 |
| Roman Names for Places | 0 | - | 4.62 | 57,971 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,779 |
| History of The Netherlands | 0 | - | 4.46 | 17,345 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,977 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,838 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,957 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,577 |
| Arthurian Legend | 0 | - | 4.33 | 25,064 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,209 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,101 |
| Monty Python Quotes | 0 | - | 4.88 | 42,353 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,721 |
| Roald Dahl Books | 0 | - | 4.44 | 33,959 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,240 |
| Middle Earth Geography | 0 | - | 4.56 | 39,582 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 80,935 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,590 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,725 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,638 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,706 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,650 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,095 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,385 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,655 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,002 |
