| Counties of England | 0 | - | 4.97 | 802,258 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,471 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,832 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,238 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,402 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,074 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,907 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,538 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,703 |
| States of Germany | 0 | - | 4.95 | 154,299 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,635 |
| Regions of Italy | 0 | - | 4.92 | 76,946 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,755 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,211 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,703 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,920 |
| Geography of Scotland | 0 | - | 4.63 | 21,726 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,397 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,745 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,801 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,207 |
| England or Wales? | 0 | - | 4.94 | 45,936 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,601 |
| American to British Word Translation | 0 | - | 4.14 | 139,633 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,042 |
| Name the English Monarchs | 0 | - | 4.91 | 506,001 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,436 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,446 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,195 |
| Geography of the British Empire | 0 | - | 4.48 | 39,838 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,026 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,253 |
| Malta Country Quiz | 0 | - | 4.81 | 31,224 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,594 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,048 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,972 |
| The Only European Country ... | 0 | - | 4.91 | 218,744 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,387 |
| British Spellings | 0 | - | 4.06 | 99,589 |
| British Groups of Things | 0 | - | 4.26 | 82,995 |
| British Acronyms | 0 | - | 4.40 | 45,926 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,098 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,681 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,093 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 405,778 |
| History of Italy | 0 | - | 4.55 | 32,137 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,808 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,412 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,021 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,322 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,340 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,936 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,414 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,965 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,550 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,715 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,519 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,447 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,091 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,717 |
| Slavic Countries | 0 | - | 4.96 | 112,299 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,671 |
| British to American Word Translation | 0 | - | 3.74 | 255,314 |
| British Foods by Description | 0 | - | 3.94 | 48,384 |
| British and American Word Differences | 0 | - | 2.63 | 46,925 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,558 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,175 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,819 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,236 |
| Bridges of London | 0 | - | 4.17 | 10,139 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,752 |
| British Sport Trivia | 0 | - | 4.39 | 20,521 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,163 |
| Famous Welsh People | 0 | - | 4.34 | 11,671 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,100 |
| Regions of France | 0 | - | 4.70 | 121,945 |
| France Immigration by Country | 0 | - | 4.70 | 76,893 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,427 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,706 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,590 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,144 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,714 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,708 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,649 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,425 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,394 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,454 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,730 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,400 |
| Monarchies of Europe | 0 | - | 4.90 | 98,783 |
| European Countries with One Border | 0 | - | 4.97 | 183,681 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,434 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,452 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,260 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,148 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,664 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,757 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,503 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,300 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,419 |
| History of Austria | 0 | - | 4.70 | 17,968 |
| Geography of the French Empire | 0 | - | 4.45 | 27,208 |
| The French Revolution | 0 | - | 4.47 | 24,134 |
| History of France | 0 | - | 4.61 | 57,557 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,554 |
| The Vikings! | 0 | - | 4.46 | 28,400 |
| The Portuguese Empire | 0 | - | 4.58 | 12,099 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,261 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,332 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,841 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,396 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,573 |
| People on Money - England | 0 | - | 4.29 | 16,643 |
| Name a Valid English City | 0 | - | 4.19 | 16,814 |
| British Geography A-Z | 0 | - | 4.42 | 19,603 |
| Scottish Clans | 0 | - | 4.70 | 21,438 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,787 |
| Counties of Wales | 0 | - | 4.63 | 39,576 |
| Champions League Winners | 0 | - | 4.92 | 1,015,149 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,789 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,717 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,575 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,749 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,731 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,294 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,786 |
| Russia Country Quiz | 0 | - | 4.83 | 115,257 |
| Countries That Border Russia | 0 | - | 4.98 | 464,303 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,701 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,554 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,911 |
| France Cities Map Quiz | 0 | - | 4.95 | 167,705 |
| Departments of France | 0 | - | 4.93 | 55,042 |
| Countries Bordering France | 0 | - | 4.83 | 404,694 |
| Germany Country Quiz | 0 | - | 4.82 | 158,746 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,008 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,649 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,145 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,965 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,724 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,414 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,778 |
| British Geography Quiz #3 | 0 | - | 4.56 | 31,047 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,259 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,944 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,233 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,715 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 120,182 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,634 |
| History of The Netherlands | 0 | - | 4.46 | 17,542 |
| Canary Islands | 0 | - | 4.62 | 17,519 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,025 |
| British Monopoly Board | 0 | - | 4.52 | 41,255 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 396,979 |
| Medieval English History | 0 | - | 4.53 | 43,638 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,321 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,686 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,884 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,979 |
| Countries that Border Poland | 0 | - | 4.99 | 173,088 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,222 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,621 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,968 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,023 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,010 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,016 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,053 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,900 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,120 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,443 |
| Geography of Germany | 0 | - | 4.35 | 17,262 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,441 |
| History of Germany | 0 | - | 4.39 | 52,965 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,371 |
| Name that Greek Letter | 0 | - | 4.93 | 324,856 |
| Counties of Ireland | 0 | - | 4.92 | 197,148 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,213 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,277 |
| History of Spain | 0 | - | 4.23 | 21,157 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,004 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,951 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,084 |
| English Inventions #1 | 0 | - | 3.15 | 23,597 |
| English Inventions #2 | 0 | - | 3.95 | 8,724 |
| Oldest Cities in the United Kingdom | 0 | - | 4.39 | 23,820 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,062 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,042 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,940 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,920 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,296 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,071 |
| Councils of Scotland | 0 | - | 4.58 | 28,711 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,206 |
| San Marino Country Quiz | 0 | - | 4.73 | 29,110 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 78,732 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,759 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,404 |
| History of Russia Quiz | 0 | - | 4.47 | 31,997 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,522 |
| Movies Set in France | 0 | - | 4.26 | 13,147 |
