| Counties of England | 0 | - | 4.97 | 801,007 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,352 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,803 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,837 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,326 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,036 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,646 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,318 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,494 |
| States of Germany | 0 | - | 4.95 | 153,908 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,504 |
| Regions of Italy | 0 | - | 4.92 | 76,632 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,634 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,964 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,578 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,631 |
| Geography of Scotland | 0 | - | 4.63 | 21,704 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,377 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,628 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,759 |
| British Geography Quiz #2 | 0 | - | 4.29 | 28,181 |
| England or Wales? | 0 | - | 4.94 | 45,881 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,077 |
| American to British Word Translation | 0 | - | 4.14 | 139,519 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,013 |
| Name the English Monarchs | 0 | - | 4.91 | 505,224 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,417 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,434 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,094 |
| Geography of the British Empire | 0 | - | 4.48 | 39,811 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,939 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,162 |
| Malta Country Quiz | 0 | - | 4.81 | 31,195 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,211 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,658 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,663 |
| The Only European Country ... | 0 | - | 4.91 | 218,255 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,099 |
| British Spellings | 0 | - | 4.06 | 99,551 |
| British Groups of Things | 0 | - | 4.25 | 82,969 |
| British Acronyms | 0 | - | 4.40 | 45,898 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,084 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,563 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,051 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,764 |
| History of Italy | 0 | - | 4.55 | 32,105 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,774 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,372 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,912 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,303 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,237 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,315 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,251 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,808 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,149 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,582 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,069 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,770 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,907 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,618 |
| Slavic Countries | 0 | - | 4.96 | 112,154 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,603 |
| British to American Word Translation | 0 | - | 3.74 | 255,265 |
| British Foods by Description | 0 | - | 3.94 | 48,362 |
| British and American Word Differences | 0 | - | 2.63 | 46,915 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,537 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,023 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,806 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,211 |
| Bridges of London | 0 | - | 4.17 | 10,133 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,634 |
| British Sport Trivia | 0 | - | 4.37 | 20,506 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 142,690 |
| Famous Welsh People | 0 | - | 4.34 | 11,636 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,907 |
| Regions of France | 0 | - | 4.70 | 121,692 |
| France Immigration by Country | 0 | - | 4.70 | 76,819 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,305 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,619 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,329 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,786 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,531 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,426 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,523 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,295 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,211 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,143 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,680 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,256 |
| Monarchies of Europe | 0 | - | 4.90 | 98,600 |
| European Countries with One Border | 0 | - | 4.97 | 183,461 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,216 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,201 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,045 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,575 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,459 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,592 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,356 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,782 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,305 |
| History of Austria | 0 | - | 4.70 | 17,947 |
| Geography of the French Empire | 0 | - | 4.45 | 27,193 |
| The French Revolution | 0 | - | 4.47 | 24,108 |
| History of France | 0 | - | 4.61 | 57,448 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,538 |
| The Vikings! | 0 | - | 4.46 | 28,388 |
| The Portuguese Empire | 0 | - | 4.58 | 12,094 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,840 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,252 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,812 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,381 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,562 |
| People on Money - England | 0 | - | 4.29 | 16,634 |
| Name a Valid English City | 0 | - | 4.19 | 16,783 |
| British Geography A-Z | 0 | - | 4.42 | 19,587 |
| Scottish Clans | 0 | - | 4.70 | 21,418 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,766 |
| Counties of Wales | 0 | - | 4.63 | 39,510 |
| Champions League Winners | 0 | - | 4.92 | 1,012,714 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,577 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,528 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,021 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,083 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,337 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,516 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,538 |
| Russia Country Quiz | 0 | - | 4.83 | 115,115 |
| Countries That Border Russia | 0 | - | 4.98 | 463,829 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,604 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,502 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,869 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,489 |
| Departments of France | 0 | - | 4.93 | 54,825 |
| Countries Bordering France | 0 | - | 4.83 | 404,287 |
| Germany Country Quiz | 0 | - | 4.83 | 158,539 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,870 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,275 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,991 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,853 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,694 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,298 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,559 |
| British Geography Quiz #3 | 0 | - | 4.56 | 31,015 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,240 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,560 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,629 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,217 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,548 |
| History of The Netherlands | 0 | - | 4.46 | 17,524 |
| Canary Islands | 0 | - | 4.62 | 17,508 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,945 |
| British Monopoly Board | 0 | - | 4.52 | 41,231 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 396,127 |
| Medieval English History | 0 | - | 4.53 | 43,616 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,280 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,615 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,764 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,755 |
| Countries that Border Poland | 0 | - | 4.99 | 172,913 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,116 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,203 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,872 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,982 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,962 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,892 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,001 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,823 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,062 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,375 |
| Geography of Germany | 0 | - | 4.35 | 17,242 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,002 |
| History of Germany | 0 | - | 4.39 | 52,939 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,486 |
| Name that Greek Letter | 0 | - | 4.93 | 324,613 |
| Counties of Ireland | 0 | - | 4.92 | 196,767 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,150 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,011 |
| History of Spain | 0 | - | 4.23 | 21,143 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,744 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,901 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,069 |
| English Inventions #1 | 0 | - | 3.15 | 23,586 |
| English Inventions #2 | 0 | - | 3.95 | 8,716 |
| Oldest Cities in the United Kingdom | 0 | - | 4.39 | 23,788 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,000 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,004 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,897 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,865 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,265 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,047 |
| Councils of Scotland | 0 | - | 4.58 | 28,659 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,183 |
| San Marino Country Quiz | 0 | - | 4.73 | 29,081 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 78,592 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,607 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,808 |
| History of Russia Quiz | 0 | - | 4.47 | 31,980 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,361 |
| Movies Set in France | 0 | - | 4.26 | 13,139 |
