| Counties of England | 0 | - | 4.97 | 792,467 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,337 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,618 |
| England or Wales? | 0 | - | 4.94 | 45,486 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,502 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,195 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,740 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,258 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,714 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,585 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,761 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,141 |
| States of Germany | 0 | - | 4.96 | 151,057 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,448 |
| Regions of Italy | 0 | - | 4.92 | 75,192 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 47,181 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,163 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,725 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,641 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,153 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,821 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,535 |
| American to British Word Translation | 0 | - | 4.13 | 138,260 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,811 |
| Name the English Monarchs | 0 | - | 4.92 | 500,070 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,471 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,262 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,091 |
| Geography of the British Empire | 0 | - | 4.48 | 39,581 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,046 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,999 |
| Malta Country Quiz | 0 | - | 4.81 | 30,931 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,910 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,201 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,297 |
| The Only European Country ... | 0 | - | 4.91 | 215,108 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,296 |
| British Spellings | 0 | - | 4.06 | 99,353 |
| British Groups of Things | 0 | - | 4.25 | 82,777 |
| British Acronyms | 0 | - | 4.39 | 45,702 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,993 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 24,798 |
| Geography of Scotland | 0 | - | 4.63 | 21,546 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,039 |
| History of Italy | 0 | - | 4.55 | 31,897 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,431 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,564 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,092 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,129 |
| Australia True or False | 0 | - | 4.87 | 56,670 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,154 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,434 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,388 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,137 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,691 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,397 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,753 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,283 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,440 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,730 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,519 |
| Slavic Countries | 0 | - | 4.96 | 111,244 |
| French History Multiple Choice | 0 | - | 4.55 | 32,945 |
| British to American Word Translation | 0 | - | 3.74 | 254,905 |
| British Foods by Description | 0 | - | 3.94 | 48,293 |
| British and American Word Differences | 0 | - | 2.63 | 46,824 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,357 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,547 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,725 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,110 |
| Bridges of London | 0 | - | 4.17 | 10,079 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,156 |
| British Sport Trivia | 0 | - | 4.37 | 20,408 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,943 |
| Famous Welsh People | 0 | - | 4.13 | 10,595 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,456 |
| Regions of France | 0 | - | 4.77 | 119,953 |
| France Immigration by Country | 0 | - | 4.72 | 76,192 |
| Germany True or False? | 0 | - | 4.61 | 48,661 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,723 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,054 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 492,200 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,024 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,125 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,294 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,617 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,379 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,908 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,487 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,293 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,229 |
| Monarchies of Europe | 0 | - | 4.90 | 97,693 |
| European Countries with One Border | 0 | - | 4.97 | 182,104 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,973 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,678 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,521 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,853 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,951 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,482 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,366 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,274 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,530 |
| History of Austria | 0 | - | 4.70 | 17,798 |
| Geography of the French Empire | 0 | - | 4.45 | 26,999 |
| The French Revolution | 0 | - | 4.46 | 23,860 |
| France Multiple Choice | 0 | - | 4.38 | 40,679 |
| History of France | 0 | - | 4.59 | 56,617 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| The Vikings! | 0 | - | 4.46 | 28,285 |
| The Portuguese Empire | 0 | - | 4.58 | 12,027 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,263 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,434 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,628 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,300 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,499 |
| People on Money - England | 0 | - | 4.29 | 16,589 |
| Name a Valid English City | 0 | - | 4.19 | 16,671 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,502 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,461 |
| Counties of Wales | 0 | - | 4.63 | 39,065 |
| Champions League Winners | 0 | - | 4.92 | 1,000,616 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,628 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,478 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,753 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,703 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,070 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,669 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,891 |
| Russia Country Quiz | 0 | - | 4.85 | 114,033 |
| Countries That Border Russia | 0 | - | 4.98 | 460,304 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,086 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,189 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,694 |
| Departments of France | 0 | - | 4.93 | 53,294 |
| Countries Bordering France | 0 | - | 4.83 | 401,101 |
| Germany Country Quiz | 0 | - | 4.82 | 157,171 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,551 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,993 |
| Italy Country Quiz | 0 | - | 4.82 | 122,663 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,813 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,451 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,435 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,411 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,032 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,691 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,130 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,229 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,751 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,825 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,990 |
| History of The Netherlands | 0 | - | 4.46 | 17,358 |
| Canary Islands | 0 | - | 4.61 | 17,437 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,390 |
| British Monopoly Board | 0 | - | 4.52 | 41,096 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 391,549 |
| Medieval English History | 0 | - | 4.53 | 43,399 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,928 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,090 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,123 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,468 |
| Countries that Border Poland | 0 | - | 4.99 | 171,773 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,560 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,511 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,925 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,722 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,660 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,060 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,631 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,530 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,024 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,697 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,974 |
| Geography of Germany | 0 | - | 4.35 | 17,134 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,383 |
| History of Germany | 0 | - | 4.39 | 52,723 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,562 |
| Name that Greek Letter | 0 | - | 4.93 | 322,525 |
| Counties of Ireland | 0 | - | 4.92 | 194,015 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,633 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,890 |
| History of Spain | 0 | - | 4.29 | 21,044 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,212 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,838 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,564 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,967 |
| English Inventions #1 | 0 | - | 3.15 | 23,535 |
| English Inventions #2 | 0 | - | 4.00 | 8,682 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,249 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,574 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,787 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,684 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,467 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,048 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,893 |
| Councils of Scotland | 0 | - | 4.58 | 28,258 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,959 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,851 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,364 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,102 |
