| Counties of England | 0 | - | 4.97 | 788,769 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,872 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,399 |
| American to British Word Translation | 0 | - | 4.06 | 117,032 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,056 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,634 |
| States of Germany | 0 | - | 4.96 | 149,910 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,978 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,503 |
| Regions of Italy | 0 | - | 4.92 | 74,647 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,774 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,218 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,088 |
| British Spellings | 0 | - | 4.07 | 99,197 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,019 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,373 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,467 |
| British to American Word Translation | 0 | - | 3.74 | 253,286 |
| British Foods by Description | 0 | - | 3.94 | 48,226 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,034 |
| British and American Word Differences | 0 | - | 2.67 | 45,909 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,910 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,380 |
| England or Wales? | 0 | - | 4.94 | 45,295 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,012 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,693 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,164 |
| Name the English Monarchs | 0 | - | 4.92 | 497,663 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,163 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,736 |
| Geography of the British Empire | 0 | - | 4.48 | 39,466 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,522 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,666 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,730 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,929 |
| Malta Country Quiz | 0 | - | 4.81 | 30,810 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,860 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,200 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,442 |
| The Only European Country ... | 0 | - | 4.91 | 213,661 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,431 |
| British Groups of Things | 0 | - | 4.25 | 82,662 |
| British Acronyms | 0 | - | 4.39 | 45,610 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.62 | 24,414 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,799 |
| Geography of Scotland | 0 | - | 4.63 | 21,472 |
| History of Italy | 0 | - | 4.55 | 31,806 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,471 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,972 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,924 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,012 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,087 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,444 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,269 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,655 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,249 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,187 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,433 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,686 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,722 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,202 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,148 |
| Slavic Countries | 0 | - | 4.96 | 110,810 |
| Regions of France | 0 | - | 4.78 | 119,127 |
| France Immigration by Country | 0 | - | 4.72 | 75,937 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,031 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,431 |
| Ancient Greek Words | 0 | - | 4.92 | 110,623 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,749 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,258 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,499 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,294 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,950 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,264 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,685 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,071 |
| Bridges of London | 0 | - | 4.17 | 10,061 |
| British Sport Trivia | 0 | - | 4.37 | 20,357 |
| Famous Welsh People | 0 | - | 4.21 | 9,769 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,575 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,294 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,997 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,297 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,778 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,741 |
| Monarchies of Europe | 0 | - | 4.90 | 97,265 |
| European Countries with One Border | 0 | - | 4.97 | 181,542 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,324 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,172 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,857 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,355 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,315 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,051 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,963 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,832 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,139 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,028 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,233 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,455 |
| People on Money - England | 0 | - | 4.29 | 16,560 |
| Name a Valid English City | 0 | - | 4.19 | 16,626 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,307 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,387 |
| Champions League Winners | 0 | - | 4.92 | 995,745 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,119 |
| Countries That Border Russia | 0 | - | 4.98 | 458,745 |
| History of Austria | 0 | - | 4.70 | 17,742 |
| Geography of the French Empire | 0 | - | 4.48 | 26,920 |
| The French Revolution | 0 | - | 4.46 | 23,769 |
| Countries Bordering France | 0 | - | 4.85 | 398,298 |
| History of France | 0 | - | 4.59 | 55,957 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,379 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,894 |
| The Vikings! | 0 | - | 4.45 | 28,237 |
| The Portuguese Empire | 0 | - | 4.54 | 11,984 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,188 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,558 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,038 |
| Counties of Wales | 0 | - | 4.63 | 38,874 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,202 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,079 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,382 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,082 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,053 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,531 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,143 |
| Russia Country Quiz | 0 | - | 4.85 | 113,599 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,818 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,017 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,122 |
| Departments of France | 0 | - | 4.93 | 52,740 |
| Germany Country Quiz | 0 | - | 4.82 | 156,472 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,087 |
| Italy Country Quiz | 0 | - | 4.82 | 122,138 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,315 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,025 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,353 |
| History of The Netherlands | 0 | - | 4.46 | 17,305 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,919 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,576 |
| Canary Islands | 0 | - | 4.61 | 17,394 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,120 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 389,554 |
| Former Dominions of the British Empire | 0 | - | 4.30 | 24,074 |
| Medieval English History | 0 | - | 4.53 | 43,304 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,399 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,184 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,774 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,812 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,924 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,769 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,919 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,751 |
| Countries that Border Poland | 0 | - | 4.99 | 171,287 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,351 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,315 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,659 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,595 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,526 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,695 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,503 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,370 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,735 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,497 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,777 |
| Geography of Germany | 0 | - | 4.35 | 17,079 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,174 |
| History of Germany | 0 | - | 4.39 | 52,607 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,540 |
| Name that Greek Letter | 0 | - | 4.94 | 321,522 |
| Counties of Ireland | 0 | - | 4.92 | 192,937 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,416 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,235 |
| History of Spain | 0 | - | 4.29 | 20,995 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,210 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,430 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,907 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,141 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,426 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,674 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,285 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,948 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,823 |
| Councils of Scotland | 0 | - | 4.58 | 28,177 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,855 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,747 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,428 |
| European Cities Beginning with B - Click Map | 0 | - | 4.75 | 77,315 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,063 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,267 |
| History of Russia Quiz | 0 | - | 4.49 | 31,783 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,837 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,867 |
| Movies Set in France | 0 | - | 4.26 | 13,068 |
| French Inventions | 0 | - | 4.08 | 13,863 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,569 |
| History of Paris | 0 | - | 4.24 | 13,612 |
