| Counties of England | 0 | - | 4.97 | 790,606 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,170 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,578 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,631 |
| American to British Word Translation | 0 | - | 4.13 | 137,064 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,631 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,836 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,464 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,954 |
| States of Germany | 0 | - | 4.96 | 150,547 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,175 |
| Regions of Italy | 0 | - | 4.92 | 74,938 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,964 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,628 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,495 |
| British Spellings | 0 | - | 4.07 | 99,300 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,362 |
| British to American Word Translation | 0 | - | 3.75 | 254,782 |
| British Foods by Description | 0 | - | 3.94 | 48,274 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,099 |
| British and American Word Differences | 0 | - | 2.64 | 46,787 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,123 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,447 |
| England or Wales? | 0 | - | 4.94 | 45,404 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,810 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,763 |
| Name the English Monarchs | 0 | - | 4.92 | 498,940 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,231 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,039 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,229 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,962 |
| Geography of the British Empire | 0 | - | 4.48 | 39,530 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,900 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,887 |
| Malta Country Quiz | 0 | - | 4.81 | 30,877 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,431 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,729 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,923 |
| The Only European Country ... | 0 | - | 4.91 | 214,428 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,913 |
| British Groups of Things | 0 | - | 4.25 | 82,727 |
| British Acronyms | 0 | - | 4.39 | 45,663 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,974 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 24,638 |
| Geography of Scotland | 0 | - | 4.63 | 21,510 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,037 |
| History of Italy | 0 | - | 4.55 | 31,859 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,518 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,024 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,954 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,117 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,224 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,515 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,907 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,486 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,821 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,620 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,347 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,692 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,468 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,355 |
| Slavic Countries | 0 | - | 4.96 | 111,027 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,113 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,315 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,530 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,703 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,090 |
| Bridges of London | 0 | - | 4.17 | 10,066 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,054 |
| British Sport Trivia | 0 | - | 4.37 | 20,385 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,521 |
| Famous Welsh People | 0 | - | 4.21 | 9,783 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,086 |
| Regions of France | 0 | - | 4.78 | 119,566 |
| France Immigration by Country | 0 | - | 4.72 | 76,055 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,593 |
| Ancient Greek Words | 0 | - | 4.92 | 110,892 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,928 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,794 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,532 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,551 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,503 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,175 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,613 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,143 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,220 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,989 |
| Monarchies of Europe | 0 | - | 4.90 | 97,492 |
| European Countries with One Border | 0 | - | 4.97 | 181,840 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,739 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,499 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,195 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,638 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,659 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,306 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,195 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,592 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,335 |
| History of Austria | 0 | - | 4.70 | 17,777 |
| Geography of the French Empire | 0 | - | 4.45 | 26,963 |
| The French Revolution | 0 | - | 4.46 | 23,826 |
| History of France | 0 | - | 4.59 | 56,338 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,404 |
| The Vikings! | 0 | - | 4.46 | 28,263 |
| The Portuguese Empire | 0 | - | 4.54 | 12,006 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,715 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,334 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,594 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,256 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,482 |
| People on Money - England | 0 | - | 4.29 | 16,576 |
| Name a Valid English City | 0 | - | 4.19 | 16,649 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,432 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,422 |
| Counties of Wales | 0 | - | 4.63 | 39,004 |
| Champions League Winners | 0 | - | 4.92 | 998,235 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,401 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,275 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,008 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,627 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,539 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,586 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,503 |
| Russia Country Quiz | 0 | - | 4.85 | 113,817 |
| Countries That Border Russia | 0 | - | 4.98 | 459,691 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,971 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,113 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,423 |
| Departments of France | 0 | - | 4.93 | 53,031 |
| Countries Bordering France | 0 | - | 4.83 | 400,419 |
| Germany Country Quiz | 0 | - | 4.82 | 156,829 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,362 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,503 |
| Italy Country Quiz | 0 | - | 4.82 | 122,435 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,596 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,283 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,402 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,226 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,835 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,386 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,112 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,806 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,862 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,613 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,415 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,865 |
| History of The Netherlands | 0 | - | 4.46 | 17,340 |
| Canary Islands | 0 | - | 4.61 | 17,420 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,258 |
| British Monopoly Board | 0 | - | 4.52 | 41,073 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 390,624 |
| Medieval English History | 0 | - | 4.53 | 43,350 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,846 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,953 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,965 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,172 |
| Countries that Border Poland | 0 | - | 4.99 | 171,563 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,463 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,979 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,807 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,673 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,599 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,894 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,565 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,462 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,904 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,611 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,887 |
| Geography of Germany | 0 | - | 4.35 | 17,111 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,825 |
| History of Germany | 0 | - | 4.39 | 52,667 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,178 |
| Name that Greek Letter | 0 | - | 4.94 | 322,037 |
| Counties of Ireland | 0 | - | 4.92 | 193,519 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,546 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,603 |
| History of Spain | 0 | - | 4.29 | 21,021 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,902 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,499 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,944 |
| English Inventions #1 | 0 | - | 3.15 | 23,528 |
| English Inventions #2 | 0 | - | 4.00 | 8,671 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,199 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,501 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,720 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,647 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,378 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,994 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,863 |
| Councils of Scotland | 0 | - | 4.58 | 28,225 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,918 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,804 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,805 |
| European Cities Beginning with B - Click Map | 0 | - | 4.75 | 77,528 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,332 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,229 |
| History of Russia Quiz | 0 | - | 4.49 | 31,813 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,061 |
| Movies Set in France | 0 | - | 4.26 | 13,089 |
| French Inventions | 0 | - | 4.08 | 13,868 |
