| Counties of England | 0 | - | 4.97 | 794,837 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,600 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,660 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,179 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,877 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,794 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,637 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,161 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,545 |
| States of Germany | 0 | - | 4.96 | 151,922 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,894 |
| Regions of Italy | 0 | - | 4.92 | 75,565 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,896 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,652 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,021 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,028 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,236 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,076 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,584 |
| England or Wales? | 0 | - | 4.94 | 45,606 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,520 |
| American to British Word Translation | 0 | - | 4.14 | 138,755 |
| Name the English Monarchs | 0 | - | 4.91 | 501,507 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,267 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,296 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,177 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,307 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,303 |
| Geography of the British Empire | 0 | - | 4.48 | 39,631 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,287 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,696 |
| Malta Country Quiz | 0 | - | 4.81 | 31,007 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,548 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,966 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,838 |
| The Only European Country ... | 0 | - | 4.91 | 215,999 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,777 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,138 |
| Name that Greek Letter | 0 | - | 4.93 | 323,096 |
| British Spellings | 0 | - | 4.06 | 99,406 |
| British Groups of Things | 0 | - | 4.25 | 82,832 |
| British Acronyms | 0 | - | 4.39 | 45,758 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,017 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,021 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,685 |
| Geography of Scotland | 0 | - | 4.63 | 21,593 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,321 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,856 |
| History of Italy | 0 | - | 4.55 | 31,936 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,613 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,166 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,376 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,686 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,187 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,066 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,316 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,432 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,978 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,985 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,993 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,651 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,004 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,729 |
| Slavic Countries | 0 | - | 4.96 | 111,495 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,286 |
| British to American Word Translation | 0 | - | 3.74 | 255,003 |
| British Foods by Description | 0 | - | 3.94 | 48,313 |
| British and American Word Differences | 0 | - | 2.63 | 46,857 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,413 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,581 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,738 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,132 |
| Bridges of London | 0 | - | 4.17 | 10,092 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,270 |
| British Sport Trivia | 0 | - | 4.37 | 20,440 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,592 |
| Famous Welsh People | 0 | - | 4.29 | 11,374 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,293 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,256 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,636 |
| Regions of France | 0 | - | 4.75 | 120,428 |
| France Immigration by Country | 0 | - | 4.70 | 76,406 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,877 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,239 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 492,945 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,673 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,460 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,669 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,257 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,916 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,396 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,508 |
| Monarchies of Europe | 0 | - | 4.90 | 97,960 |
| European Countries with One Border | 0 | - | 4.97 | 182,515 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,323 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,961 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,888 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,132 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,294 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,708 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,614 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,411 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,732 |
| History of Austria | 0 | - | 4.70 | 17,835 |
| Geography of the French Empire | 0 | - | 4.45 | 27,025 |
| The French Revolution | 0 | - | 4.46 | 23,903 |
| History of France | 0 | - | 4.59 | 56,838 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,464 |
| The Vikings! | 0 | - | 4.46 | 28,319 |
| The Portuguese Empire | 0 | - | 4.58 | 12,048 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,028 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,571 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,679 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,327 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,517 |
| People on Money - England | 0 | - | 4.29 | 16,602 |
| Name a Valid English City | 0 | - | 4.19 | 16,701 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,608 |
| Counties of Wales | 0 | - | 4.63 | 39,195 |
| Champions League Winners | 0 | - | 4.92 | 1,003,843 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,077 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,897 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,789 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,638 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,305 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,691 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,983 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,355 |
| Russia Country Quiz | 0 | - | 4.85 | 114,283 |
| Countries That Border Russia | 0 | - | 4.98 | 461,127 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,239 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,295 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,461 |
| Departments of France | 0 | - | 4.93 | 53,800 |
| Countries Bordering France | 0 | - | 4.83 | 401,910 |
| Germany Country Quiz | 0 | - | 4.82 | 157,585 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,875 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,630 |
| Italy Country Quiz | 0 | - | 4.82 | 123,208 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,133 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,819 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,516 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,662 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,382 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 281,358 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,164 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,770 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,939 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,764 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,643 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,417 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,167 |
| History of The Netherlands | 0 | - | 4.46 | 17,407 |
| Canary Islands | 0 | - | 4.62 | 17,460 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,606 |
| British Monopoly Board | 0 | - | 4.52 | 41,140 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 393,035 |
| Medieval English History | 0 | - | 4.53 | 43,464 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,043 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,277 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,347 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,789 |
| Countries that Border Poland | 0 | - | 4.99 | 172,057 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,724 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,095 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,803 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,740 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,253 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,717 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,617 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,189 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,793 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,090 |
| French History Multiple Choice | 0 | - | 4.55 | 33,002 |
| Geography of Germany | 0 | - | 4.35 | 17,164 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,113 |
| History of Germany | 0 | - | 4.39 | 52,780 |
| Counties of Ireland | 0 | - | 4.92 | 194,669 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,757 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,714 |
| History of Spain | 0 | - | 4.23 | 21,071 |
| Languages of Spain | 0 | - | 4.36 | 23,284 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,640 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,633 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,000 |
| English Inventions #1 | 0 | - | 3.15 | 23,555 |
| English Inventions #2 | 0 | - | 4.00 | 8,692 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,318 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,693 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,860 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,744 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,579 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,104 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,925 |
| Councils of Scotland | 0 | - | 4.58 | 28,427 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,031 |
| San Marino Country Quiz | 0 | - | 4.73 | 28,935 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,884 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 77,972 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,260 |
