| Counties of England | 0 | - | 4.97 | 794,814 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,579 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,660 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,172 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,875 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,794 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,564 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,156 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,543 |
| States of Germany | 0 | - | 4.96 | 151,915 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,891 |
| Regions of Italy | 0 | - | 4.92 | 75,555 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,884 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,644 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,020 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,026 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,236 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,072 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,584 |
| England or Wales? | 0 | - | 4.94 | 45,603 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,504 |
| American to British Word Translation | 0 | - | 4.14 | 138,753 |
| Name the English Monarchs | 0 | - | 4.91 | 501,494 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,251 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,296 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,174 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,307 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,300 |
| Geography of the British Empire | 0 | - | 4.48 | 39,631 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,270 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,693 |
| Malta Country Quiz | 0 | - | 4.81 | 31,007 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,542 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,956 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,835 |
| The Only European Country ... | 0 | - | 4.91 | 215,995 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,774 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,132 |
| Name that Greek Letter | 0 | - | 4.93 | 323,094 |
| British Spellings | 0 | - | 4.06 | 99,406 |
| British Groups of Things | 0 | - | 4.25 | 82,831 |
| British Acronyms | 0 | - | 4.39 | 45,758 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,017 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,016 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,671 |
| Geography of Scotland | 0 | - | 4.63 | 21,593 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,296 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,851 |
| History of Italy | 0 | - | 4.55 | 31,936 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,613 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,166 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,375 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,684 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,187 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,018 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,241 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,427 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,974 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,985 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,989 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,619 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,003 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,725 |
| Slavic Countries | 0 | - | 4.96 | 111,494 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,285 |
| British to American Word Translation | 0 | - | 3.74 | 255,002 |
| British Foods by Description | 0 | - | 3.94 | 48,313 |
| British and American Word Differences | 0 | - | 2.63 | 46,857 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,412 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,581 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,738 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,132 |
| Bridges of London | 0 | - | 4.17 | 10,091 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,268 |
| British Sport Trivia | 0 | - | 4.37 | 20,440 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,582 |
| Famous Welsh People | 0 | - | 4.29 | 11,371 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,250 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,254 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,633 |
| Regions of France | 0 | - | 4.75 | 120,418 |
| France Immigration by Country | 0 | - | 4.70 | 76,404 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,876 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,235 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 492,939 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,668 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,458 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,668 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,252 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,913 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,391 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,503 |
| Monarchies of Europe | 0 | - | 4.90 | 97,954 |
| European Countries with One Border | 0 | - | 4.97 | 182,513 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,319 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,953 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,888 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,126 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,286 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,705 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,613 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,407 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,727 |
| History of Austria | 0 | - | 4.70 | 17,835 |
| Geography of the French Empire | 0 | - | 4.45 | 27,025 |
| The French Revolution | 0 | - | 4.46 | 23,903 |
| History of France | 0 | - | 4.59 | 56,834 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,464 |
| The Vikings! | 0 | - | 4.46 | 28,319 |
| The Portuguese Empire | 0 | - | 4.58 | 12,047 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,026 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,570 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,678 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,327 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,517 |
| People on Money - England | 0 | - | 4.29 | 16,602 |
| Name a Valid English City | 0 | - | 4.19 | 16,700 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,608 |
| Counties of Wales | 0 | - | 4.63 | 39,194 |
| Champions League Winners | 0 | - | 4.92 | 1,003,792 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,076 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,891 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,785 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,629 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,289 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,683 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,973 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,346 |
| Russia Country Quiz | 0 | - | 4.85 | 114,283 |
| Countries That Border Russia | 0 | - | 4.98 | 461,116 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,238 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,295 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,461 |
| Departments of France | 0 | - | 4.93 | 53,794 |
| Countries Bordering France | 0 | - | 4.83 | 401,899 |
| Germany Country Quiz | 0 | - | 4.82 | 157,580 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,869 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,615 |
| Italy Country Quiz | 0 | - | 4.82 | 123,196 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,126 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,817 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,516 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,660 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,372 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 281,354 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,163 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,750 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,938 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,757 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,643 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,400 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,167 |
| History of The Netherlands | 0 | - | 4.46 | 17,407 |
| Canary Islands | 0 | - | 4.62 | 17,460 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,602 |
| British Monopoly Board | 0 | - | 4.52 | 41,139 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 393,027 |
| Medieval English History | 0 | - | 4.53 | 43,464 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,042 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,275 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,347 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,783 |
| Countries that Border Poland | 0 | - | 4.99 | 172,056 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,721 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,093 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,803 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,740 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,250 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,716 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,616 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,186 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,792 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,090 |
| French History Multiple Choice | 0 | - | 4.55 | 33,002 |
| Geography of Germany | 0 | - | 4.35 | 17,164 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,103 |
| History of Germany | 0 | - | 4.39 | 52,780 |
| Counties of Ireland | 0 | - | 4.92 | 194,662 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,753 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,706 |
| History of Spain | 0 | - | 4.23 | 21,071 |
| Languages of Spain | 0 | - | 4.36 | 23,284 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,630 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,632 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,000 |
| English Inventions #1 | 0 | - | 3.15 | 23,554 |
| English Inventions #2 | 0 | - | 4.00 | 8,692 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,318 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,692 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,860 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,743 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,575 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,104 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,925 |
| Councils of Scotland | 0 | - | 4.58 | 28,427 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,031 |
| San Marino Country Quiz | 0 | - | 4.73 | 28,935 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,883 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 77,967 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,250 |
