| Counties of England | 0 | - | 4.97 | 790,980 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,189 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,581 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,911 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,645 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,772 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,648 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,109 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,493 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,988 |
| States of Germany | 0 | - | 4.96 | 150,657 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,204 |
| Regions of Italy | 0 | - | 4.92 | 74,970 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,988 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,784 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,529 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,390 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,100 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,154 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,452 |
| England or Wales? | 0 | - | 4.94 | 45,414 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,905 |
| American to British Word Translation | 0 | - | 4.13 | 137,324 |
| Name the English Monarchs | 0 | - | 4.92 | 499,081 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,049 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,239 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,101 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,238 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,976 |
| Geography of the British Empire | 0 | - | 4.48 | 39,537 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,930 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,906 |
| Malta Country Quiz | 0 | - | 4.81 | 30,884 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,514 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,807 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,970 |
| The Only European Country ... | 0 | - | 4.91 | 214,562 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,972 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,368 |
| Name that Greek Letter | 0 | - | 4.94 | 322,120 |
| British Spellings | 0 | - | 4.07 | 99,315 |
| British Groups of Things | 0 | - | 4.25 | 82,733 |
| British Acronyms | 0 | - | 4.39 | 45,668 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,975 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 24,662 |
| Geography of Scotland | 0 | - | 4.63 | 21,516 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,203 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,370 |
| History of Italy | 0 | - | 4.55 | 31,864 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,524 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,037 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,973 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,891 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,125 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,891 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,787 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,939 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,520 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,635 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,667 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,828 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,513 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,373 |
| Slavic Countries | 0 | - | 4.96 | 111,057 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,129 |
| British to American Word Translation | 0 | - | 3.75 | 254,809 |
| British Foods by Description | 0 | - | 3.94 | 48,274 |
| British and American Word Differences | 0 | - | 2.64 | 46,794 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,321 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,530 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,706 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,095 |
| Bridges of London | 0 | - | 4.17 | 10,066 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,072 |
| British Sport Trivia | 0 | - | 4.37 | 20,387 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,600 |
| Famous Welsh People | 0 | - | 4.21 | 9,785 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,338 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,868 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.73 | 65,465 |
| Regions of France | 0 | - | 4.78 | 119,639 |
| France Immigration by Country | 0 | - | 4.72 | 76,076 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,613 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,948 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,836 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,598 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,606 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,519 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,197 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,656 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,196 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,223 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,027 |
| Monarchies of Europe | 0 | - | 4.90 | 97,519 |
| European Countries with One Border | 0 | - | 4.97 | 181,876 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,781 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,513 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,246 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,671 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,704 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,335 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,216 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,704 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,360 |
| History of Austria | 0 | - | 4.70 | 17,779 |
| Geography of the French Empire | 0 | - | 4.45 | 26,964 |
| The French Revolution | 0 | - | 4.46 | 23,832 |
| History of France | 0 | - | 4.59 | 56,385 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,409 |
| The Vikings! | 0 | - | 4.46 | 28,268 |
| The Portuguese Empire | 0 | - | 4.54 | 12,008 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,780 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,350 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,598 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,260 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,484 |
| People on Money - England | 0 | - | 4.29 | 16,576 |
| Name a Valid English City | 0 | - | 4.19 | 16,651 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,437 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,426 |
| Counties of Wales | 0 | - | 4.63 | 39,011 |
| Champions League Winners | 0 | - | 4.92 | 998,628 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,783 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,426 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,307 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,110 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,707 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,617 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,722 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,560 |
| Russia Country Quiz | 0 | - | 4.85 | 113,839 |
| Countries That Border Russia | 0 | - | 4.98 | 459,783 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,978 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,124 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,448 |
| Departments of France | 0 | - | 4.93 | 53,064 |
| Countries Bordering France | 0 | - | 4.83 | 400,547 |
| Germany Country Quiz | 0 | - | 4.82 | 156,865 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,384 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,571 |
| Italy Country Quiz | 0 | - | 4.82 | 122,460 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,623 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,301 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,408 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,251 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,851 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,419 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,115 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,869 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,607 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,972 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,613 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,488 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,883 |
| History of The Netherlands | 0 | - | 4.46 | 17,345 |
| Canary Islands | 0 | - | 4.61 | 17,424 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,279 |
| British Monopoly Board | 0 | - | 4.52 | 41,075 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 390,760 |
| Medieval English History | 0 | - | 4.53 | 43,352 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,858 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,983 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,997 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,218 |
| Countries that Border Poland | 0 | - | 4.99 | 171,597 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,474 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,826 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,679 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,607 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,920 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,573 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,471 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,927 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,624 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,896 |
| Geography of Germany | 0 | - | 4.35 | 17,115 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,906 |
| History of Germany | 0 | - | 4.39 | 52,671 |
| Counties of Ireland | 0 | - | 4.92 | 193,616 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,565 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,649 |
| History of Spain | 0 | - | 4.29 | 21,025 |
| Languages of Spain | 0 | - | 4.36 | 23,189 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,957 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,505 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,947 |
| English Inventions #1 | 0 | - | 3.15 | 23,528 |
| English Inventions #2 | 0 | - | 4.00 | 8,672 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,209 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,518 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,725 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,650 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,385 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,002 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,869 |
| Councils of Scotland | 0 | - | 4.58 | 28,230 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,925 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,808 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,852 |
| European Cities Beginning with B - Click Map | 0 | - | 4.75 | 77,563 |
