| Counties of England | 0 | - | 4.97 | 802,680 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,507 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,838 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,330 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,429 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,091 |
| Europe Map Quiz | 0 | - | 5.00 | 4,787,110 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,606 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,769 |
| States of Germany | 0 | - | 4.95 | 154,416 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,672 |
| Regions of Italy | 0 | - | 4.92 | 77,027 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,785 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,289 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,742 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,994 |
| Geography of Scotland | 0 | - | 4.63 | 21,737 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,404 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,795 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,811 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,216 |
| England or Wales? | 0 | - | 4.94 | 45,959 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,791 |
| American to British Word Translation | 0 | - | 4.14 | 139,673 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,052 |
| Name the English Monarchs | 0 | - | 4.91 | 506,251 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,446 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,456 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,229 |
| Geography of the British Empire | 0 | - | 4.48 | 39,844 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,047 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,289 |
| Malta Country Quiz | 0 | - | 4.81 | 31,229 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,730 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,180 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,061 |
| The Only European Country ... | 0 | - | 4.91 | 218,917 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,466 |
| British Spellings | 0 | - | 4.06 | 99,595 |
| British Groups of Things | 0 | - | 4.26 | 83,007 |
| British Acronyms | 0 | - | 4.40 | 45,933 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,101 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,700 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,101 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 406,438 |
| History of Italy | 0 | - | 4.55 | 32,142 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,816 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,419 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,061 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,333 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,466 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,417 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,480 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,023 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,685 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,749 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,665 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,648 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,152 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,764 |
| Slavic Countries | 0 | - | 4.96 | 112,345 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,684 |
| British to American Word Translation | 0 | - | 3.74 | 255,337 |
| British Foods by Description | 0 | - | 3.94 | 48,388 |
| British and American Word Differences | 0 | - | 2.63 | 46,926 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,565 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,210 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,827 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,240 |
| Bridges of London | 0 | - | 4.17 | 10,143 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,766 |
| British Sport Trivia | 0 | - | 4.39 | 20,528 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,308 |
| Famous Welsh People | 0 | - | 4.34 | 11,682 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,484 |
| Regions of France | 0 | - | 4.70 | 122,053 |
| France Immigration by Country | 0 | - | 4.70 | 76,921 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,453 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,742 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,668 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,264 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,772 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,812 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,797 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,455 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,460 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,537 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,742 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,455 |
| Monarchies of Europe | 0 | - | 4.90 | 98,844 |
| European Countries with One Border | 0 | - | 4.97 | 183,759 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,495 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,662 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,332 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,309 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,727 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,814 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,545 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,418 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,453 |
| History of Austria | 0 | - | 4.70 | 17,971 |
| Geography of the French Empire | 0 | - | 4.45 | 27,214 |
| The French Revolution | 0 | - | 4.47 | 24,145 |
| History of France | 0 | - | 4.61 | 57,592 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,558 |
| The Vikings! | 0 | - | 4.46 | 28,403 |
| The Portuguese Empire | 0 | - | 4.58 | 12,104 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,384 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,356 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,853 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,408 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,575 |
| People on Money - England | 0 | - | 4.29 | 16,643 |
| Name a Valid English City | 0 | - | 4.19 | 16,820 |
| British Geography A-Z | 0 | - | 4.42 | 19,607 |
| Scottish Clans | 0 | - | 4.70 | 21,442 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,806 |
| Counties of Wales | 0 | - | 4.63 | 39,602 |
| Champions League Winners | 0 | - | 4.92 | 1,015,805 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,856 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,766 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,766 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,849 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,860 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,520 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,852 |
| Russia Country Quiz | 0 | - | 4.83 | 115,290 |
| Countries That Border Russia | 0 | - | 4.98 | 464,437 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,726 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,576 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,926 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,770 |
| Departments of France | 0 | - | 4.93 | 55,122 |
| Countries Bordering France | 0 | - | 4.83 | 404,839 |
| Germany Country Quiz | 0 | - | 4.82 | 158,806 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,054 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,781 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,200 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,021 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,732 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,465 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,837 |
| British Geography Quiz #3 | 0 | - | 4.56 | 31,068 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,263 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,066 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,405 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,719 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 121,511 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,665 |
| History of The Netherlands | 0 | - | 4.46 | 17,549 |
| Canary Islands | 0 | - | 4.62 | 17,525 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,064 |
| British Monopoly Board | 0 | - | 4.52 | 41,262 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 397,232 |
| Medieval English History | 0 | - | 4.53 | 43,652 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,341 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,713 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,926 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,041 |
| Countries that Border Poland | 0 | - | 4.99 | 173,145 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,240 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,780 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,996 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,035 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,022 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,066 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,075 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,926 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,140 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,461 |
| Geography of Germany | 0 | - | 4.35 | 17,279 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,567 |
| History of Germany | 0 | - | 4.39 | 52,968 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,724 |
| Name that Greek Letter | 0 | - | 4.93 | 324,928 |
| Counties of Ireland | 0 | - | 4.92 | 197,247 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,240 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,346 |
| History of Spain | 0 | - | 4.23 | 21,164 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,084 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,970 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,087 |
| English Inventions #1 | 0 | - | 3.15 | 23,600 |
| English Inventions #2 | 0 | - | 3.95 | 8,725 |
| Oldest Cities in the United Kingdom | 0 | - | 4.39 | 23,826 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,087 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,052 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,957 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,942 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,313 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,086 |
| Councils of Scotland | 0 | - | 4.58 | 28,725 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,211 |
| San Marino Country Quiz | 0 | - | 4.73 | 29,119 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 78,774 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,818 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,598 |
| History of Russia Quiz | 0 | - | 4.47 | 32,001 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,575 |
| Movies Set in France | 0 | - | 4.26 | 13,151 |
