| Counties of England | 0 | - | 4.97 | 797,897 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,065 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,723 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,045 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,116 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,909 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,875 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,610 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,971 |
| States of Germany | 0 | - | 4.95 | 152,876 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,162 |
| Regions of Italy | 0 | - | 4.92 | 76,074 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,290 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,152 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,294 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,871 |
| Geography of Scotland | 0 | - | 4.63 | 21,634 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,290 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,332 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,661 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,603 |
| England or Wales? | 0 | - | 4.94 | 45,748 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,572 |
| American to British Word Translation | 0 | - | 4.14 | 139,198 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,924 |
| Name the English Monarchs | 0 | - | 4.91 | 503,340 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,349 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,374 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,579 |
| Geography of the British Empire | 0 | - | 4.48 | 39,716 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,736 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,913 |
| Malta Country Quiz | 0 | - | 4.81 | 31,088 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,284 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,743 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,452 |
| The Only European Country ... | 0 | - | 4.91 | 217,018 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,358 |
| British Spellings | 0 | - | 4.06 | 99,476 |
| British Groups of Things | 0 | - | 4.25 | 82,890 |
| British Acronyms | 0 | - | 4.40 | 45,819 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,046 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,308 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,879 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,014 |
| History of Italy | 0 | - | 4.55 | 32,022 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,695 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,268 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,640 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,240 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,238 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,710 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,785 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,308 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,021 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,261 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,866 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,364 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,419 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,301 |
| Slavic Countries | 0 | - | 4.96 | 111,770 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,394 |
| British to American Word Translation | 0 | - | 3.74 | 255,124 |
| British Foods by Description | 0 | - | 3.94 | 48,333 |
| British and American Word Differences | 0 | - | 2.63 | 46,886 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,467 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,382 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,766 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,172 |
| Bridges of London | 0 | - | 4.17 | 10,114 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,422 |
| British Sport Trivia | 0 | - | 4.37 | 20,469 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,474 |
| Famous Welsh People | 0 | - | 4.31 | 11,531 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,070 |
| Regions of France | 0 | - | 4.72 | 120,995 |
| France Immigration by Country | 0 | - | 4.70 | 76,597 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,078 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,438 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,571 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,544 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,885 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,963 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,696 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,509 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,530 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,884 |
| Monarchies of Europe | 0 | - | 4.90 | 98,240 |
| European Countries with One Border | 0 | - | 4.97 | 182,949 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,728 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,738 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,570 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 82,736 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,874 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,173 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,016 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,640 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,976 |
| History of Austria | 0 | - | 4.70 | 17,880 |
| Geography of the French Empire | 0 | - | 4.45 | 27,128 |
| The French Revolution | 0 | - | 4.47 | 24,030 |
| History of France | 0 | - | 4.59 | 57,142 |
| The Vikings! | 0 | - | 4.46 | 28,357 |
| The Portuguese Empire | 0 | - | 4.58 | 12,076 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,866 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,086 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,752 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,349 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,537 |
| People on Money - England | 0 | - | 4.29 | 16,620 |
| Name a Valid English City | 0 | - | 4.19 | 16,738 |
| British Geography A-Z | 0 | - | 4.42 | 19,537 |
| Scottish Clans | 0 | - | 4.70 | 21,380 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,685 |
| Counties of Wales | 0 | - | 4.63 | 39,335 |
| Champions League Winners | 0 | - | 4.92 | 1,008,270 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,222 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,129 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,588 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,118 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,347 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,517 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,877 |
| Russia Country Quiz | 0 | - | 4.83 | 114,585 |
| Countries That Border Russia | 0 | - | 4.98 | 462,082 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,411 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,381 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,729 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,932 |
| Departments of France | 0 | - | 4.93 | 54,273 |
| Countries Bordering France | 0 | - | 4.83 | 402,855 |
| Germany Country Quiz | 0 | - | 4.83 | 158,012 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,479 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,677 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,523 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,177 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,565 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,016 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,793 |
| British Geography Quiz #3 | 0 | - | 4.56 | 30,443 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,200 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,696 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,037 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,667 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,279 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,332 |
| History of The Netherlands | 0 | - | 4.46 | 17,449 |
| Canary Islands | 0 | - | 4.62 | 17,486 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,770 |
| British Monopoly Board | 0 | - | 4.52 | 41,182 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 394,644 |
| Medieval English History | 0 | - | 4.53 | 43,552 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,145 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,446 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,546 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,203 |
| Countries that Border Poland | 0 | - | 4.99 | 172,394 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,907 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,208 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,305 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,901 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,854 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,503 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,810 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,378 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,910 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,228 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,493 |
| Geography of Germany | 0 | - | 4.35 | 17,197 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,040 |
| History of Germany | 0 | - | 4.39 | 52,867 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,163 |
| Name that Greek Letter | 0 | - | 4.93 | 323,982 |
| Counties of Ireland | 0 | - | 4.92 | 195,635 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,918 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,186 |
| History of Spain | 0 | - | 4.23 | 21,106 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,184 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,722 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,028 |
| English Inventions #1 | 0 | - | 3.15 | 23,569 |
| English Inventions #2 | 0 | - | 3.95 | 8,706 |
| Oldest Cities in the United Kingdom | 0 | - | 4.39 | 23,726 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,811 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,927 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,821 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,728 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,184 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,985 |
| Councils of Scotland | 0 | - | 4.58 | 28,537 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,102 |
| San Marino Country Quiz | 0 | - | 4.73 | 29,005 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,417 |
| European Cities Beginning with B - Click Map | 0 | - | 4.78 | 78,280 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,204 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 214,067 |
| History of Russia Quiz | 0 | - | 4.47 | 31,939 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,949 |
| Movies Set in France | 0 | - | 4.26 | 13,124 |
| French Inventions | 0 | - | 4.08 | 13,900 |
