| Counties of England | 0 | - | 4.97 | 800,335 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,292 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,897 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,282 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,011 |
| Europe Map Quiz | 0 | - | 5.00 | 4,776,626 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,051 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,408 |
| States of Germany | 0 | - | 4.95 | 153,722 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,421 |
| Regions of Italy | 0 | - | 4.92 | 76,511 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,561 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,794 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,520 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,457 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,370 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,566 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,733 |
| Bridges of London | 0 | - | 4.17 | 10,130 |
| England or Wales? | 0 | - | 4.94 | 45,851 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,793 |
| American to British Word Translation | 0 | - | 4.14 | 139,459 |
| Languages of the United Kingdom | 0 | - | 4.14 | 40,995 |
| Name the English Monarchs | 0 | - | 4.91 | 504,824 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,404 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,629 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,427 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,028 |
| Geography of the British Empire | 0 | - | 4.48 | 39,795 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,101 |
| Malta Country Quiz | 0 | - | 4.81 | 31,160 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,032 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,458 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,446 |
| The Only European Country ... | 0 | - | 4.91 | 217,976 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,963 |
| British Spellings | 0 | - | 4.06 | 99,534 |
| British Groups of Things | 0 | - | 4.25 | 82,953 |
| British Acronyms | 0 | - | 4.40 | 45,884 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,076 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,502 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,025 |
| Geography of Scotland | 0 | - | 4.63 | 21,692 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,443 |
| History of Italy | 0 | - | 4.55 | 32,095 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,759 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,351 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,855 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,292 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,608 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,374 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,165 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,725 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,905 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,521 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,850 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,299 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,789 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,546 |
| Slavic Countries | 0 | - | 4.96 | 112,070 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,557 |
| British to American Word Translation | 0 | - | 3.74 | 255,229 |
| British Foods by Description | 0 | - | 3.94 | 48,354 |
| British and American Word Differences | 0 | - | 2.63 | 46,910 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,521 |
| British Geography Quiz #2 | 0 | - | 4.29 | 28,154 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,799 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,202 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,579 |
| British Sport Trivia | 0 | - | 4.37 | 20,495 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 142,459 |
| Famous Welsh People | 0 | - | 4.31 | 11,610 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,328 |
| Regions of France | 0 | - | 4.70 | 121,529 |
| France Immigration by Country | 0 | - | 4.70 | 76,770 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,268 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,576 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,214 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,535 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,324 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,249 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,265 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,216 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,084 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,011 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,657 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,157 |
| Monarchies of Europe | 0 | - | 4.90 | 98,507 |
| European Countries with One Border | 0 | - | 4.97 | 183,360 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,119 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,695 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,945 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,218 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,331 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,495 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,286 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,455 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,251 |
| History of Austria | 0 | - | 4.70 | 17,930 |
| Geography of the French Empire | 0 | - | 4.45 | 27,185 |
| The French Revolution | 0 | - | 4.47 | 24,093 |
| History of France | 0 | - | 4.61 | 57,394 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,530 |
| The Vikings! | 0 | - | 4.46 | 28,383 |
| The Portuguese Empire | 0 | - | 4.58 | 12,089 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,638 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,226 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,800 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,373 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,553 |
| People on Money - England | 0 | - | 4.29 | 16,630 |
| Name a Valid English City | 0 | - | 4.19 | 16,772 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,750 |
| Counties of Wales | 0 | - | 4.63 | 39,444 |
| Champions League Winners | 0 | - | 4.92 | 1,011,803 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,505 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,431 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,742 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,908 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,133 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,073 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,387 |
| Russia Country Quiz | 0 | - | 4.83 | 114,850 |
| Countries That Border Russia | 0 | - | 4.98 | 463,552 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,565 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,468 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,836 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,380 |
| Departments of France | 0 | - | 4.93 | 54,706 |
| Countries Bordering France | 0 | - | 4.83 | 404,027 |
| Germany Country Quiz | 0 | - | 4.83 | 158,444 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,799 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,086 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,876 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,764 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,664 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,241 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,448 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,228 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,379 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,270 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,689 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,011 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,501 |
| History of The Netherlands | 0 | - | 4.46 | 17,506 |
| Canary Islands | 0 | - | 4.62 | 17,503 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,913 |
| British Monopoly Board | 0 | - | 4.52 | 41,222 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 395,802 |
| Medieval English History | 0 | - | 4.53 | 43,605 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,250 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,581 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,717 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,633 |
| Countries that Border Poland | 0 | - | 4.99 | 172,801 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,062 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,953 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,764 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,960 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,927 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,810 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,974 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,766 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,027 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,342 |
| French History Multiple Choice | 0 | - | 4.55 | 33,157 |
| Geography of Germany | 0 | - | 4.35 | 17,228 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,792 |
| History of Germany | 0 | - | 4.39 | 52,927 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,017 |
| Name that Greek Letter | 0 | - | 4.93 | 324,458 |
| Counties of Ireland | 0 | - | 4.92 | 196,465 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,108 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,582 |
| History of Spain | 0 | - | 4.23 | 21,135 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,601 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,861 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,061 |
| English Inventions #1 | 0 | - | 3.15 | 23,582 |
| English Inventions #2 | 0 | - | 3.95 | 8,713 |
| British Geography Quiz #1 | 0 | - | 4.55 | 53,787 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,942 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,984 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,874 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,841 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,243 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,026 |
| Councils of Scotland | 0 | - | 4.58 | 28,620 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,166 |
| San Marino Country Quiz | 0 | - | 4.73 | 29,064 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 78,527 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,522 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,365 |
| History of Russia Quiz | 0 | - | 4.47 | 31,975 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,242 |
| Movies Set in France | 0 | - | 4.26 | 13,137 |
| French Inventions | 0 | - | 4.10 | 13,912 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,487 |
| History of Paris | 0 | - | 4.24 | 13,665 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,929 |
