| Counties of England | 0 | - | 4.97 | 792,581 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,347 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,619 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,743 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,716 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,013 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,776 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,148 |
| States of Germany | 0 | - | 4.96 | 151,083 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,506 |
| Regions of Italy | 0 | - | 4.92 | 75,213 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 48,234 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,181 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,734 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,667 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,155 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,830 |
| England or Wales? | 0 | - | 4.94 | 45,491 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,565 |
| American to British Word Translation | 0 | - | 4.13 | 138,291 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,814 |
| Name the English Monarchs | 0 | - | 4.92 | 500,128 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,259 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,492 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,264 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,097 |
| Geography of the British Empire | 0 | - | 4.48 | 39,584 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,057 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,009 |
| Malta Country Quiz | 0 | - | 4.81 | 30,938 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,942 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,229 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,318 |
| The Only European Country ... | 0 | - | 4.91 | 215,148 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,328 |
| British Spellings | 0 | - | 4.06 | 99,356 |
| British Groups of Things | 0 | - | 4.25 | 82,778 |
| British Acronyms | 0 | - | 4.39 | 45,703 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,994 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 24,812 |
| Geography of Scotland | 0 | - | 4.63 | 21,547 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,093 |
| History of Italy | 0 | - | 4.55 | 31,898 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,567 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,092 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,136 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,154 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,689 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,510 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,157 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,705 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,442 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,760 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,324 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,475 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,742 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,529 |
| Slavic Countries | 0 | - | 4.96 | 111,259 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,198 |
| British to American Word Translation | 0 | - | 3.74 | 254,910 |
| British Foods by Description | 0 | - | 3.94 | 48,293 |
| British and American Word Differences | 0 | - | 2.63 | 46,826 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,358 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,547 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,725 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,112 |
| Bridges of London | 0 | - | 4.17 | 10,079 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,158 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,972 |
| Famous Welsh People | 0 | - | 4.27 | 10,699 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,512 |
| Regions of France | 0 | - | 4.77 | 119,970 |
| France Immigration by Country | 0 | - | 4.72 | 76,201 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,727 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,061 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 492,224 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,063 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,138 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,619 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,414 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,925 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,504 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,295 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,237 |
| Monarchies of Europe | 0 | - | 4.90 | 97,702 |
| European Countries with One Border | 0 | - | 4.97 | 182,123 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,986 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,689 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,541 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,866 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,960 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,490 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,381 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,317 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,537 |
| History of Austria | 0 | - | 4.70 | 17,800 |
| Geography of the French Empire | 0 | - | 4.45 | 26,999 |
| The French Revolution | 0 | - | 4.46 | 23,862 |
| History of France | 0 | - | 4.59 | 56,631 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| The Vikings! | 0 | - | 4.46 | 28,287 |
| The Portuguese Empire | 0 | - | 4.58 | 12,028 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,289 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,442 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,628 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,300 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,499 |
| People on Money - England | 0 | - | 4.29 | 16,590 |
| Name a Valid English City | 0 | - | 4.19 | 16,673 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,507 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,463 |
| Counties of Wales | 0 | - | 4.63 | 39,067 |
| Champions League Winners | 0 | - | 4.92 | 1,000,713 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,641 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,498 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,789 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,732 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,087 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,725 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,913 |
| Russia Country Quiz | 0 | - | 4.85 | 114,045 |
| Countries That Border Russia | 0 | - | 4.98 | 460,347 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,094 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,191 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,708 |
| Departments of France | 0 | - | 4.93 | 53,304 |
| Countries Bordering France | 0 | - | 4.83 | 401,135 |
| Germany Country Quiz | 0 | - | 4.82 | 157,187 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,561 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,010 |
| Italy Country Quiz | 0 | - | 4.82 | 122,681 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,838 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,462 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,438 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,426 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,046 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,710 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,131 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,248 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,804 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,627 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,843 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,993 |
| History of The Netherlands | 0 | - | 4.46 | 17,361 |
| Canary Islands | 0 | - | 4.61 | 17,438 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,411 |
| British Monopoly Board | 0 | - | 4.52 | 41,098 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 391,616 |
| Medieval English History | 0 | - | 4.53 | 43,403 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,933 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,097 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,129 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,480 |
| Countries that Border Poland | 0 | - | 4.99 | 171,787 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,567 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,549 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,932 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,725 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,668 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,066 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,634 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,534 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,030 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,698 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,976 |
| Geography of Germany | 0 | - | 4.35 | 17,137 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,416 |
| History of Germany | 0 | - | 4.39 | 52,726 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,640 |
| Name that Greek Letter | 0 | - | 4.93 | 322,551 |
| Counties of Ireland | 0 | - | 4.92 | 194,038 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,637 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,903 |
| History of Spain | 0 | - | 4.29 | 21,045 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,229 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,565 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,969 |
| English Inventions #1 | 0 | - | 3.15 | 23,538 |
| English Inventions #2 | 0 | - | 4.00 | 8,682 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,250 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,576 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,790 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,687 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,469 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,049 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,895 |
| Councils of Scotland | 0 | - | 4.58 | 28,262 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,962 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,864 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,399 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 77,726 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,574 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,041 |
| History of Russia Quiz | 0 | - | 4.49 | 31,844 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,249 |
| Movies Set in France | 0 | - | 4.26 | 13,097 |
| French Inventions | 0 | - | 4.08 | 13,876 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,875 |
| History of Paris | 0 | - | 4.24 | 13,629 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,818 |
