| Counties of England | 0 | - | 4.97 | 799,180 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,180 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,760 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,346 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,216 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,966 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,495 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,893 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,254 |
| States of Germany | 0 | - | 4.95 | 153,301 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,309 |
| Regions of Italy | 0 | - | 4.92 | 76,304 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,460 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,470 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,433 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,264 |
| Geography of Scotland | 0 | - | 4.63 | 21,666 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,346 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,467 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,700 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,862 |
| England or Wales? | 0 | - | 4.94 | 45,812 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,189 |
| American to British Word Translation | 0 | - | 4.14 | 139,342 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,958 |
| Name the English Monarchs | 0 | - | 4.91 | 504,143 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,380 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,409 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,703 |
| Geography of the British Empire | 0 | - | 4.48 | 39,744 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,814 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,027 |
| Malta Country Quiz | 0 | - | 4.81 | 31,121 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,650 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,128 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,750 |
| The Only European Country ... | 0 | - | 4.91 | 217,496 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,641 |
| British Spellings | 0 | - | 4.06 | 99,516 |
| British Groups of Things | 0 | - | 4.25 | 82,916 |
| British Acronyms | 0 | - | 4.40 | 45,856 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,408 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,966 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,884 |
| History of Italy | 0 | - | 4.55 | 32,062 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,725 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,304 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,760 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,275 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,187 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,083 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,961 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,471 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,480 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,383 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,489 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,362 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,611 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,444 |
| Slavic Countries | 0 | - | 4.96 | 111,923 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,490 |
| British to American Word Translation | 0 | - | 3.74 | 255,181 |
| British Foods by Description | 0 | - | 3.94 | 48,346 |
| British and American Word Differences | 0 | - | 2.63 | 46,900 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,497 |
| British Geography Quiz #1 | 0 | - | 4.54 | 51,663 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,788 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,188 |
| Bridges of London | 0 | - | 4.17 | 10,122 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,512 |
| British Sport Trivia | 0 | - | 4.37 | 20,487 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 142,091 |
| Famous Welsh People | 0 | - | 4.31 | 11,572 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,365 |
| Regions of France | 0 | - | 4.70 | 121,302 |
| France Immigration by Country | 0 | - | 4.70 | 76,696 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,155 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,511 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,014 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,152 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,141 |
| Premier League Relegated Teams | 0 | - | 4.81 | 126,972 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,978 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,071 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,891 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,765 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,592 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,028 |
| Monarchies of Europe | 0 | - | 4.90 | 98,379 |
| European Countries with One Border | 0 | - | 4.97 | 183,160 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,939 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,083 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,790 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,606 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,142 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,357 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,170 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,104 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,130 |
| History of Austria | 0 | - | 4.70 | 17,913 |
| Geography of the French Empire | 0 | - | 4.45 | 27,157 |
| The French Revolution | 0 | - | 4.47 | 24,070 |
| History of France | 0 | - | 4.61 | 57,298 |
| The Vikings! | 0 | - | 4.46 | 28,372 |
| The Portuguese Empire | 0 | - | 4.58 | 12,086 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,273 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,173 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,770 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,364 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,547 |
| People on Money - England | 0 | - | 4.29 | 16,625 |
| Name a Valid English City | 0 | - | 4.19 | 16,757 |
| British Geography A-Z | 0 | - | 4.42 | 19,567 |
| Scottish Clans | 0 | - | 4.70 | 21,399 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,729 |
| Counties of Wales | 0 | - | 4.63 | 39,394 |
| Champions League Winners | 0 | - | 4.92 | 1,010,208 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,384 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,290 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,011 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,437 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,712 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,411 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,087 |
| Russia Country Quiz | 0 | - | 4.83 | 114,731 |
| Countries That Border Russia | 0 | - | 4.98 | 462,921 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,502 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,423 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,792 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,209 |
| Departments of France | 0 | - | 4.93 | 54,513 |
| Countries Bordering France | 0 | - | 4.83 | 403,651 |
| Germany Country Quiz | 0 | - | 4.83 | 158,220 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,668 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,774 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,701 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,646 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,621 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,135 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,267 |
| British Geography Quiz #3 | 0 | - | 4.56 | 30,701 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,214 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,077 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,737 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,676 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,697 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,430 |
| History of The Netherlands | 0 | - | 4.46 | 17,490 |
| Canary Islands | 0 | - | 4.62 | 17,495 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,837 |
| British Monopoly Board | 0 | - | 4.52 | 41,197 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 395,286 |
| Medieval English History | 0 | - | 4.53 | 43,578 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,198 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,533 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,660 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,411 |
| Countries that Border Poland | 0 | - | 4.99 | 172,647 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,999 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,604 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,451 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,932 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,891 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,686 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,871 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,679 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,976 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,291 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,512 |
| Geography of Germany | 0 | - | 4.35 | 17,211 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,440 |
| History of Germany | 0 | - | 4.39 | 52,906 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,086 |
| Name that Greek Letter | 0 | - | 4.93 | 324,225 |
| Counties of Ireland | 0 | - | 4.92 | 196,124 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,036 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,389 |
| History of Spain | 0 | - | 4.23 | 21,122 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,406 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,782 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,051 |
| English Inventions #1 | 0 | - | 3.15 | 23,573 |
| English Inventions #2 | 0 | - | 3.95 | 8,709 |
| Oldest Cities in the United Kingdom | 0 | - | 4.39 | 23,745 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,884 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,966 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,852 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,789 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,214 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,004 |
| Councils of Scotland | 0 | - | 4.58 | 28,580 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,141 |
| San Marino Country Quiz | 0 | - | 4.73 | 29,043 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 78,421 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,380 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,771 |
| History of Russia Quiz | 0 | - | 4.47 | 31,957 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,091 |
| Movies Set in France | 0 | - | 4.26 | 13,135 |
