| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,829 |
| Name that Greek Letter | 0 | - | 4.93 | 324,715 |
| Ancient Greek Words | 0 | - | 4.93 | 112,276 |
| The Trojan War | 0 | - | 4.83 | 39,937 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,705 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,717 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,166 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,076 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,420 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,346 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,696 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,108 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,760 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,522 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,650 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,205 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,583 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,418 |
| British History A-Z #1 | 0 | - | 4.45 | 47,116 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,009 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,375 |
| Roman History by Picture | 0 | - | 4.46 | 26,555 |
| Name the English Monarchs | 0 | - | 4.91 | 505,525 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,493 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,967 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,281 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,698 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,589 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,450 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,178 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,395 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,008 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,498 |
| Roman Emperors | 0 | - | 4.95 | 120,928 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,984 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,952 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,781 |
| German History A-Z | 0 | - | 4.49 | 24,865 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,795 |
| Roman to Greek God | 0 | - | 4.52 | 123,227 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,157 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,153 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,288 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,679 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 142,842 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,332 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,204 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,937 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,781 |
| The Only European Country ... | 0 | - | 4.91 | 218,432 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,196 |
| History of Russia Quiz | 0 | - | 4.47 | 31,987 |
| Mythology A-Z | 0 | - | 4.31 | 37,354 |
| History of Italy | 0 | - | 4.55 | 32,113 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,144 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,785 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,388 |
| Counties of England | 0 | - | 4.97 | 801,434 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,049 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,772 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,941 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,953 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,510 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,255 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,578 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,310 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,857 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,346 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,293 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,258 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,625 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,246 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,239 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,064 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,299 |
| Monarchies of Europe | 0 | - | 4.90 | 98,677 |
| European Countries with One Border | 0 | - | 4.97 | 183,533 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,282 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,311 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,966 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,653 |
| Slavic Countries | 0 | - | 4.96 | 112,201 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,988 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,342 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,385 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,575 |
| States of Germany | 0 | - | 4.95 | 154,058 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,555 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,215 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,557 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,989 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,912 |
| Regions of Italy | 0 | - | 4.92 | 76,744 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,665 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,055 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,626 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,393 |
| British History A-Z #2 | 0 | - | 4.24 | 11,117 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,527 |
| Champions League Winners | 0 | - | 4.92 | 1,013,572 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,665 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,598 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,198 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,501 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,482 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,831 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,641 |
| Russia Country Quiz | 0 | - | 4.83 | 115,157 |
| Countries That Border Russia | 0 | - | 4.98 | 463,991 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,637 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,511 |
| History of Austria | 0 | - | 4.70 | 17,956 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,879 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,539 |
| Departments of France | 0 | - | 4.93 | 54,886 |
| Geography of the French Empire | 0 | - | 4.45 | 27,198 |
| The French Revolution | 0 | - | 4.47 | 24,117 |
| Countries Bordering France | 0 | - | 4.83 | 404,425 |
| History of France | 0 | - | 4.61 | 57,483 |
| Germany Country Quiz | 0 | - | 4.82 | 158,600 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,925 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,545 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,392 |
| Greece Country Quiz | 0 | - | 4.74 | 66,544 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,037 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,888 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,566 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,707 |
| Byzantine History | 0 | - | 4.91 | 28,995 |
| Byzantine Emperors | 0 | - | 4.93 | 14,518 |
| The Vikings! | 0 | - | 4.46 | 28,394 |
| The Portuguese Empire | 0 | - | 4.58 | 12,096 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,340 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,639 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,488 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,440 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,130 |
| Geography of the British Empire | 0 | - | 4.48 | 39,819 |
| Medieval English History | 0 | - | 4.53 | 43,620 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,811 |
| England or Wales? | 0 | - | 4.94 | 45,903 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,690 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,351 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,310 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,719,489 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,588 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,295 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,638 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,802 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,826 |
| Countries that Border Poland | 0 | - | 4.99 | 172,978 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,149 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,417 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,348 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,904 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,996 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,977 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,931 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,015 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,850 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,082 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,400 |
| France True or False? | 0 | - | 4.44 | 40,038 |
| Germany A-Z | 0 | - | 4.56 | 62,803 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,122 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,160 |
| History of Germany | 0 | - | 4.39 | 52,945 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,416 |
| Counties of Ireland | 0 | - | 4.92 | 196,881 |
| Italy A-Z | 0 | - | 4.49 | 58,654 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,175 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,050 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,109 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,113 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,163 |
| Roman Names for Places | 0 | - | 4.62 | 58,619 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,538 |
| History of The Netherlands | 0 | - | 4.46 | 17,530 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,173 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,742 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,836 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,237 |
| Arthurian Legend | 0 | - | 4.33 | 25,159 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,099 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,022 |
| Monty Python Quotes | 0 | - | 4.89 | 42,584 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,618 |
| Roald Dahl Books | 0 | - | 4.45 | 34,115 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.56 | 34,462 |
| Middle Earth Geography | 0 | - | 4.56 | 39,927 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,710 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,937 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,020 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,275 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,810 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,913 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,223 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,883 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.32 | 62,474 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,278 |
