| Counties of England | 0 | - | 4.97 | 788,222 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,828 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,015 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,679 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,353 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,948 |
| Regions of France Map Quiz | 0 | - | 4.97 | 142,982 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,546 |
| States of Germany | 0 | - | 4.96 | 149,741 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,897 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,480 |
| Regions of Italy | 0 | - | 4.92 | 74,586 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,723 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,125 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,050 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,919 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,021 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,848 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,359 |
| England or Wales? | 0 | - | 4.94 | 45,276 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,802 |
| American to British Word Translation | 0 | - | 4.06 | 117,002 |
| Name the English Monarchs | 0 | - | 4.92 | 497,317 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,118 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,150 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,402 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,153 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,688 |
| Geography of the British Empire | 0 | - | 4.48 | 39,455 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,578 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,689 |
| Malta Country Quiz | 0 | - | 4.81 | 30,784 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,704 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,048 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,322 |
| The Only European Country ... | 0 | - | 4.91 | 213,457 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,303 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,118 |
| Name that Greek Letter | 0 | - | 4.94 | 321,411 |
| British Spellings | 0 | - | 4.07 | 99,181 |
| British Groups of Things | 0 | - | 4.25 | 82,656 |
| British Acronyms | 0 | - | 4.39 | 45,599 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,940 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.62 | 24,346 |
| Geography of Scotland | 0 | - | 4.63 | 21,464 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,641 |
| Top European Languages on a Map | 0 | - | 4.77 | 130,975 |
| History of Italy | 0 | - | 4.55 | 31,796 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,459 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,958 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,739 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,231 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,078 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,856 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,493 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,571 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,184 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,397 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,537 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,492 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,129 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,056 |
| Slavic Countries | 0 | - | 4.96 | 110,765 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,005 |
| British to American Word Translation | 0 | - | 3.74 | 253,270 |
| British Foods by Description | 0 | - | 3.94 | 48,221 |
| British and American Word Differences | 0 | - | 2.67 | 45,901 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,245 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,493 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,683 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,062 |
| Bridges of London | 0 | - | 4.17 | 10,057 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,894 |
| British Sport Trivia | 0 | - | 4.37 | 20,345 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 138,850 |
| Famous Welsh People | 0 | - | 4.21 | 9,764 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,047 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,568 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,329 |
| Regions of France | 0 | - | 4.78 | 119,015 |
| France Immigration by Country | 0 | - | 4.72 | 75,909 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,378 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,714 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,154 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,785 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,177 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,261 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,953 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,196 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,620 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,090 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,627 |
| Monarchies of Europe | 0 | - | 4.90 | 97,197 |
| European Countries with One Border | 0 | - | 4.97 | 181,443 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,959 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,108 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,749 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,283 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,226 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,976 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,894 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,555 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,095 |
| History of Austria | 0 | - | 4.70 | 17,734 |
| Geography of the French Empire | 0 | - | 4.48 | 26,911 |
| The French Revolution | 0 | - | 4.46 | 23,746 |
| History of France | 0 | - | 4.59 | 55,865 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,369 |
| The Vikings! | 0 | - | 4.45 | 28,234 |
| The Portuguese Empire | 0 | - | 4.54 | 11,979 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,857 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,156 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,544 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,232 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,454 |
| People on Money - England | 0 | - | 4.29 | 16,557 |
| Name a Valid English City | 0 | - | 4.19 | 16,621 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,280 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,377 |
| Counties of Wales | 0 | - | 4.63 | 38,829 |
| Champions League Winners | 0 | - | 4.92 | 994,932 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,516 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,160 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,014 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,187 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,944 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,887 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,220 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 112,996 |
| Russia Country Quiz | 0 | - | 4.85 | 113,549 |
| Countries That Border Russia | 0 | - | 4.98 | 458,504 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,786 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 34,993 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,043 |
| Departments of France | 0 | - | 4.93 | 52,633 |
| Countries Bordering France | 0 | - | 4.85 | 395,681 |
| Germany Country Quiz | 0 | - | 4.82 | 156,385 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,050 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,638 |
| Italy Country Quiz | 0 | - | 4.82 | 122,063 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,243 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 150,969 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,341 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,864 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,490 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 279,942 |
| Former Dominions of the British Empire | 0 | - | 4.30 | 24,063 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,259 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,363 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,979 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,592 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,777 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,714 |
| History of The Netherlands | 0 | - | 4.46 | 17,296 |
| Canary Islands | 0 | - | 4.61 | 17,388 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,080 |
| British Monopoly Board | 0 | - | 4.52 | 41,016 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 389,258 |
| Medieval English History | 0 | - | 4.53 | 43,289 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,752 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,773 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,734 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,835 |
| Countries that Border Poland | 0 | - | 4.99 | 171,185 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,329 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,597 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,579 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,510 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,639 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,482 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,350 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,636 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,456 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,750 |
| Geography of Germany | 0 | - | 4.35 | 17,076 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,008 |
| History of Germany | 0 | - | 4.39 | 52,586 |
| Counties of Ireland | 0 | - | 4.92 | 192,774 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,352 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,151 |
| History of Spain | 0 | - | 4.29 | 20,990 |
| Languages of Spain | 0 | - | 4.36 | 23,127 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,110 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,416 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,899 |
| English Inventions #1 | 0 | - | 3.17 | 23,507 |
| English Inventions #2 | 0 | - | 3.98 | 8,651 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,128 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,404 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,654 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,249 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,929 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,811 |
| Councils of Scotland | 0 | - | 4.58 | 28,164 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,837 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,733 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,316 |
| European Cities Beginning with B - Click Map | 0 | - | 4.75 | 77,231 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,018 |
