| 10 Closest Megacities to London | 0 | - | 4.90 | 17,682 |
| Counties of England | 0 | - | 4.97 | 795,660 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,923 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,588 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,929 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,827 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,702 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,269 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,679 |
| States of Germany | 0 | - | 4.96 | 152,200 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,954 |
| Regions of Italy | 0 | - | 4.92 | 75,716 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,029 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,778 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,105 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,178 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,247 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,151 |
| Bridges of London | 0 | - | 4.17 | 10,098 |
| England or Wales? | 0 | - | 4.94 | 45,640 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,848 |
| American to British Word Translation | 0 | - | 4.14 | 138,892 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,874 |
| Name the English Monarchs | 0 | - | 4.91 | 502,013 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,304 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,439 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,319 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,385 |
| Geography of the British Empire | 0 | - | 4.48 | 39,646 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,769 |
| Malta Country Quiz | 0 | - | 4.81 | 31,025 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,750 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,198 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,020 |
| The Only European Country ... | 0 | - | 4.91 | 216,276 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,938 |
| British Spellings | 0 | - | 4.06 | 99,427 |
| British Groups of Things | 0 | - | 4.25 | 82,852 |
| British Acronyms | 0 | - | 4.40 | 45,778 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,027 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,104 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,730 |
| Geography of Scotland | 0 | - | 4.63 | 21,604 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 400,786 |
| History of Italy | 0 | - | 4.55 | 31,957 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,638 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,199 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,463 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,195 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,867 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,191 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,549 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,077 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,400 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,056 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,205 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,055 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,137 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,918 |
| Slavic Countries | 0 | - | 4.96 | 111,559 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,320 |
| British to American Word Translation | 0 | - | 3.74 | 255,036 |
| British Foods by Description | 0 | - | 3.94 | 48,322 |
| British and American Word Differences | 0 | - | 2.63 | 46,869 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,425 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,586 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,744 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,139 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,318 |
| British Sport Trivia | 0 | - | 4.37 | 20,447 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,829 |
| Famous Welsh People | 0 | - | 4.29 | 11,435 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,200 |
| Regions of France | 0 | - | 4.75 | 120,577 |
| France Immigration by Country | 0 | - | 4.70 | 76,454 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,942 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,295 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,118 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,907 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,566 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,747 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,379 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,094 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,445 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,626 |
| Monarchies of Europe | 0 | - | 4.90 | 98,034 |
| European Countries with One Border | 0 | - | 4.97 | 182,625 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,442 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,102 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,036 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 80,033 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,475 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,834 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,736 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,776 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,805 |
| History of Austria | 0 | - | 4.70 | 17,850 |
| Geography of the French Empire | 0 | - | 4.45 | 27,042 |
| The French Revolution | 0 | - | 4.46 | 23,921 |
| History of France | 0 | - | 4.59 | 56,917 |
| The Vikings! | 0 | - | 4.46 | 28,333 |
| The Portuguese Empire | 0 | - | 4.58 | 12,056 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,223 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,617 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,697 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,333 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,521 |
| People on Money - England | 0 | - | 4.29 | 16,608 |
| Name a Valid English City | 0 | - | 4.19 | 16,711 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,635 |
| Counties of Wales | 0 | - | 4.63 | 39,245 |
| Champions League Winners | 0 | - | 4.92 | 1,005,396 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,024 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,886 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,917 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,508 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,893 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,455 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,513 |
| Russia Country Quiz | 0 | - | 4.85 | 114,370 |
| Countries That Border Russia | 0 | - | 4.98 | 461,392 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,287 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,317 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,648 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,594 |
| Departments of France | 0 | - | 4.93 | 53,967 |
| Countries Bordering France | 0 | - | 4.83 | 402,184 |
| Germany Country Quiz | 0 | - | 4.82 | 157,714 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,998 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,912 |
| Italy Country Quiz | 0 | - | 4.82 | 123,291 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,224 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,898 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,531 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,797 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,503 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 281,529 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,173 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,112 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,154 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,649 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,733 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,205 |
| History of The Netherlands | 0 | - | 4.46 | 17,423 |
| Canary Islands | 0 | - | 4.62 | 17,470 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,647 |
| British Monopoly Board | 0 | - | 4.52 | 41,153 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 393,513 |
| Medieval English History | 0 | - | 4.53 | 43,489 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,077 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,327 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,392 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,925 |
| Countries that Border Poland | 0 | - | 4.99 | 172,156 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,783 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,519 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,150 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,828 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,765 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,324 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,746 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,242 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,826 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,132 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,468 |
| Geography of Germany | 0 | - | 4.35 | 17,173 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,385 |
| History of Germany | 0 | - | 4.39 | 52,794 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,679 |
| Name that Greek Letter | 0 | - | 4.93 | 323,259 |
| Counties of Ireland | 0 | - | 4.92 | 194,937 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,807 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,879 |
| History of Spain | 0 | - | 4.23 | 21,075 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,804 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,653 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,010 |
| English Inventions #1 | 0 | - | 3.15 | 23,560 |
| English Inventions #2 | 0 | - | 4.00 | 8,697 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,335 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,721 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,881 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,769 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,618 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,121 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,931 |
| Councils of Scotland | 0 | - | 4.58 | 28,455 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,050 |
| San Marino Country Quiz | 0 | - | 4.73 | 28,964 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,014 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 78,071 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,959 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,685 |
| History of Russia Quiz | 0 | - | 4.47 | 31,899 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,552 |
| Movies Set in France | 0 | - | 4.26 | 13,118 |
| French Inventions | 0 | - | 4.08 | 13,892 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,118 |
| History of Paris | 0 | - | 4.24 | 13,643 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,236 |
