| Counties of England | 0 | - | 4.97 | 798,554 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,121 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,740 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,276 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,166 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,940 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,943 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,611 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,755 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,105 |
| States of Germany | 0 | - | 4.95 | 153,085 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,245 |
| Regions of Italy | 0 | - | 4.92 | 76,194 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,385 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,316 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,379 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,094 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,333 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,410 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,682 |
| England or Wales? | 0 | - | 4.94 | 45,783 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,886 |
| American to British Word Translation | 0 | - | 4.14 | 139,275 |
| Name the English Monarchs | 0 | - | 4.91 | 503,736 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,403 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,360 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,196 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,398 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,638 |
| Geography of the British Empire | 0 | - | 4.48 | 39,733 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,780 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,973 |
| Malta Country Quiz | 0 | - | 4.81 | 31,106 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,483 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,951 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,620 |
| The Only European Country ... | 0 | - | 4.91 | 217,289 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,511 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,643 |
| Name that Greek Letter | 0 | - | 4.93 | 324,108 |
| British Spellings | 0 | - | 4.06 | 99,499 |
| British Groups of Things | 0 | - | 4.25 | 82,902 |
| British Acronyms | 0 | - | 4.40 | 45,841 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,051 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,360 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,921 |
| Geography of Scotland | 0 | - | 4.63 | 21,649 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,536 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,302 |
| History of Italy | 0 | - | 4.55 | 32,044 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,714 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,291 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,702 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,398 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,262 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,818 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,440 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,881 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,395 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,334 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,134 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,740 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,521 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,363 |
| Slavic Countries | 0 | - | 4.96 | 111,851 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,447 |
| British to American Word Translation | 0 | - | 3.74 | 255,154 |
| British Foods by Description | 0 | - | 3.94 | 48,338 |
| British and American Word Differences | 0 | - | 2.63 | 46,897 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,485 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,609 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,776 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,182 |
| Bridges of London | 0 | - | 4.17 | 10,119 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,461 |
| British Sport Trivia | 0 | - | 4.37 | 20,483 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,863 |
| Famous Welsh People | 0 | - | 4.31 | 11,560 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,890 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,618 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,805 |
| Regions of France | 0 | - | 4.72 | 121,157 |
| France Immigration by Country | 0 | - | 4.70 | 76,659 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,129 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,477 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,705 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,868 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,024 |
| Premier League Relegated Teams | 0 | - | 4.81 | 126,836 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,018 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,801 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,646 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,563 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,961 |
| Monarchies of Europe | 0 | - | 4.90 | 98,320 |
| European Countries with One Border | 0 | - | 4.97 | 183,070 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,849 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 84,202 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,684 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,170 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,035 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,279 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,102 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,919 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,061 |
| History of Austria | 0 | - | 4.70 | 17,900 |
| Geography of the French Empire | 0 | - | 4.45 | 27,151 |
| The French Revolution | 0 | - | 4.47 | 24,053 |
| History of France | 0 | - | 4.59 | 57,240 |
| The Vikings! | 0 | - | 4.46 | 28,367 |
| The Portuguese Empire | 0 | - | 4.58 | 12,081 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,043 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,136 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,763 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,355 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,544 |
| People on Money - England | 0 | - | 4.29 | 16,623 |
| Name a Valid English City | 0 | - | 4.19 | 16,744 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,709 |
| Counties of Wales | 0 | - | 4.63 | 39,373 |
| Champions League Winners | 0 | - | 4.91 | 1,009,433 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,361 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,275 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,206 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,816 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,293 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,546 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,858 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,988 |
| Russia Country Quiz | 0 | - | 4.83 | 114,667 |
| Countries That Border Russia | 0 | - | 4.98 | 462,701 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,449 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,406 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,756 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,079 |
| Departments of France | 0 | - | 4.93 | 54,409 |
| Countries Bordering France | 0 | - | 4.83 | 403,425 |
| Germany Country Quiz | 0 | - | 4.83 | 158,131 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,575 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,525 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,617 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,273 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,604 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,085 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,109 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,208 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,922 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,363 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,400 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,670 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,518 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,385 |
| History of The Netherlands | 0 | - | 4.46 | 17,474 |
| Canary Islands | 0 | - | 4.62 | 17,490 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,807 |
| British Monopoly Board | 0 | - | 4.52 | 41,190 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 394,977 |
| Medieval English History | 0 | - | 4.53 | 43,563 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,175 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,492 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,592 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,326 |
| Countries that Border Poland | 0 | - | 4.99 | 172,564 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,961 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,392 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,918 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,874 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,630 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,845 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,630 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,953 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,266 |
| French History Multiple Choice | 0 | - | 4.55 | 33,114 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,502 |
| Geography of Germany | 0 | - | 4.35 | 17,203 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,250 |
| History of Germany | 0 | - | 4.39 | 52,887 |
| Counties of Ireland | 0 | - | 4.92 | 195,923 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,004 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,293 |
| History of Spain | 0 | - | 4.23 | 21,112 |
| Languages of Spain | 0 | - | 4.36 | 23,347 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,310 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,752 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,039 |
| English Inventions #1 | 0 | - | 3.15 | 23,571 |
| English Inventions #2 | 0 | - | 3.95 | 8,707 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,399 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,849 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,947 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,838 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,748 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,200 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,995 |
| Councils of Scotland | 0 | - | 4.58 | 28,558 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,123 |
| San Marino Country Quiz | 0 | - | 4.73 | 29,026 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,540 |
| European Cities Beginning with B - Click Map | 0 | - | 4.78 | 78,351 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,413 |
