| Counties of England | 0 | - | 4.97 | 792,550 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,344 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,618 |
| England or Wales? | 0 | - | 4.94 | 45,488 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,503 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,195 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,741 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,259 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,714 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,808 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,766 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,146 |
| States of Germany | 0 | - | 4.96 | 151,078 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,482 |
| Regions of Italy | 0 | - | 4.92 | 75,204 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 47,790 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,172 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,726 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,657 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,155 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,825 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,546 |
| American to British Word Translation | 0 | - | 4.13 | 138,275 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,812 |
| Name the English Monarchs | 0 | - | 4.92 | 500,109 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,485 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,263 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,093 |
| Geography of the British Empire | 0 | - | 4.48 | 39,583 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,052 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,004 |
| Malta Country Quiz | 0 | - | 4.81 | 30,936 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,930 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,218 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,308 |
| The Only European Country ... | 0 | - | 4.91 | 215,132 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,319 |
| British Spellings | 0 | - | 4.06 | 99,355 |
| 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 | 24,806 |
| Geography of Scotland | 0 | - | 4.63 | 21,547 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,072 |
| History of Italy | 0 | - | 4.55 | 31,897 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,439 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,566 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,092 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,134 |
| 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 | 1,234,571 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,477 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,152 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,698 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,420 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,758 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,301 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,457 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,736 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,522 |
| Slavic Countries | 0 | - | 4.96 | 111,253 |
| French History Multiple Choice | 0 | - | 4.55 | 32,946 |
| 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 | 46,826 |
| 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 | 20,112 |
| Bridges of London | 0 | - | 4.17 | 10,079 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,157 |
| British Sport Trivia | 0 | - | 4.37 | 20,408 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,959 |
| Famous Welsh People | 0 | - | 4.13 | 10,654 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,485 |
| Regions of France | 0 | - | 4.77 | 119,964 |
| France Immigration by Country | 0 | - | 4.72 | 76,197 |
| Germany True or False? | 0 | - | 4.61 | 48,662 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,723 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,060 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 492,211 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,042 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,131 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,296 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,619 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,399 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,915 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,494 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,294 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,234 |
| Monarchies of Europe | 0 | - | 4.90 | 97,700 |
| European Countries with One Border | 0 | - | 4.97 | 182,115 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,978 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,685 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,530 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,860 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,956 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,489 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,370 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,302 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,533 |
| History of Austria | 0 | - | 4.70 | 17,800 |
| Geography of the French Empire | 0 | - | 4.45 | 26,999 |
| The French Revolution | 0 | - | 4.46 | 23,861 |
| France Multiple Choice | 0 | - | 4.38 | 40,680 |
| History of France | 0 | - | 4.59 | 56,625 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| The Vikings! | 0 | - | 4.46 | 28,286 |
| The Portuguese Empire | 0 | - | 4.58 | 12,027 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,280 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,437 |
| 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 | 16,590 |
| Name a Valid English City | 0 | - | 4.19 | 16,672 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,505 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,462 |
| Counties of Wales | 0 | - | 4.63 | 39,066 |
| Champions League Winners | 0 | - | 4.92 | 1,000,670 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,635 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,489 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,771 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,717 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,076 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,696 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,902 |
| Russia Country Quiz | 0 | - | 4.85 | 114,040 |
| Countries That Border Russia | 0 | - | 4.98 | 460,323 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,092 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,190 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,700 |
| Departments of France | 0 | - | 4.93 | 53,300 |
| Countries Bordering France | 0 | - | 4.83 | 401,115 |
| Germany Country Quiz | 0 | - | 4.82 | 157,178 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,555 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,003 |
| Italy Country Quiz | 0 | - | 4.82 | 122,672 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,820 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,460 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,437 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,417 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,042 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,699 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,130 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,244 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,766 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,832 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,991 |
| History of The Netherlands | 0 | - | 4.46 | 17,359 |
| Canary Islands | 0 | - | 4.61 | 17,438 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,404 |
| British Monopoly Board | 0 | - | 4.52 | 41,096 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 391,576 |
| Medieval English History | 0 | - | 4.53 | 43,402 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,931 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,095 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,126 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,476 |
| Countries that Border Poland | 0 | - | 4.99 | 171,781 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,562 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,531 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,929 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,724 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,666 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,062 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,633 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,530 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,026 |
| 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 | 17,137 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,402 |
| History of Germany | 0 | - | 4.39 | 52,724 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,598 |
| Name that Greek Letter | 0 | - | 4.93 | 322,537 |
| Counties of Ireland | 0 | - | 4.92 | 194,028 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,634 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,897 |
| History of Spain | 0 | - | 4.29 | 21,044 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,222 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,846 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,564 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,968 |
| English Inventions #1 | 0 | - | 3.15 | 23,536 |
| English Inventions #2 | 0 | - | 4.00 | 8,682 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,250 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,575 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,790 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,684 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,468 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,049 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,895 |
| Councils of Scotland | 0 | - | 4.58 | 28,260 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,960 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,858 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,391 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,105 |
