| Counties of England | 0 | - | 4.97 | 789,310 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,946 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,438 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,370 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,708 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,415 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,765 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,158 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,699 |
| States of Germany | 0 | - | 4.96 | 150,097 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,026 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,528 |
| Regions of Italy | 0 | - | 4.92 | 74,736 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,824 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,366 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,202 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,108 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,051 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,969 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,394 |
| England or Wales? | 0 | - | 4.94 | 45,322 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,238 |
| American to British Word Translation | 0 | - | 4.06 | 121,142 |
| Name the English Monarchs | 0 | - | 4.92 | 497,979 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,516 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,176 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,645 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,180 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,792 |
| Geography of the British Empire | 0 | - | 4.48 | 39,476 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,743 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,773 |
| Malta Country Quiz | 0 | - | 4.81 | 30,830 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,026 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,330 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,588 |
| The Only European Country ... | 0 | - | 4.91 | 213,884 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,564 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,996 |
| Name that Greek Letter | 0 | - | 4.94 | 321,701 |
| British Spellings | 0 | - | 4.07 | 99,220 |
| British Groups of Things | 0 | - | 4.25 | 82,676 |
| British Acronyms | 0 | - | 4.39 | 45,621 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,950 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.62 | 24,482 |
| Geography of Scotland | 0 | - | 4.63 | 21,482 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,261 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,144 |
| History of Italy | 0 | - | 4.55 | 31,817 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,485 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,983 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,849 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,482 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,092 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,930 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,912 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,723 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,298 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,480 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,870 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,956 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,277 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,213 |
| Slavic Countries | 0 | - | 4.96 | 110,872 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,050 |
| British to American Word Translation | 0 | - | 3.74 | 253,491 |
| British Foods by Description | 0 | - | 3.94 | 48,233 |
| British and American Word Differences | 0 | - | 2.67 | 46,053 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,264 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,509 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,690 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,075 |
| Bridges of London | 0 | - | 4.17 | 10,063 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,954 |
| British Sport Trivia | 0 | - | 4.37 | 20,364 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,164 |
| Famous Welsh People | 0 | - | 4.21 | 9,771 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,990 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,698 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,381 |
| Regions of France | 0 | - | 4.78 | 119,281 |
| France Immigration by Country | 0 | - | 4.72 | 75,969 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,472 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,832 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,454 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,131 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,357 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,339 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,049 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,410 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,881 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,152 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,831 |
| Monarchies of Europe | 0 | - | 4.90 | 97,335 |
| European Countries with One Border | 0 | - | 4.97 | 181,644 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,540 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,278 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,967 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,440 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,429 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,126 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,029 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,024 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,217 |
| History of Austria | 0 | - | 4.70 | 17,753 |
| Geography of the French Empire | 0 | - | 4.48 | 26,936 |
| The French Revolution | 0 | - | 4.46 | 23,785 |
| History of France | 0 | - | 4.59 | 56,068 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,385 |
| The Vikings! | 0 | - | 4.46 | 28,246 |
| The Portuguese Empire | 0 | - | 4.54 | 11,993 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,196 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,227 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,568 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,241 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,464 |
| People on Money - England | 0 | - | 4.29 | 16,564 |
| Name a Valid English City | 0 | - | 4.19 | 16,631 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,335 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,395 |
| Counties of Wales | 0 | - | 4.63 | 38,906 |
| Champions League Winners | 0 | - | 4.92 | 996,487 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,634 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,259 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,128 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,578 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,239 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,194 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,842 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,269 |
| Russia Country Quiz | 0 | - | 4.85 | 113,649 |
| Countries That Border Russia | 0 | - | 4.98 | 458,949 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,859 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,041 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,216 |
| Departments of France | 0 | - | 4.93 | 52,843 |
| Countries Bordering France | 0 | - | 4.83 | 399,223 |
| Germany Country Quiz | 0 | - | 4.82 | 156,571 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,162 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,081 |
| Italy Country Quiz | 0 | - | 4.82 | 122,227 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,405 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,090 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,372 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,961 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,654 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 280,131 |
| Former Dominions of the British Empire | 0 | - | 4.30 | 24,086 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,513 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,462 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,390 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,599 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,068 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,788 |
| History of The Netherlands | 0 | - | 4.46 | 17,313 |
| Canary Islands | 0 | - | 4.61 | 17,404 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,156 |
| British Monopoly Board | 0 | - | 4.52 | 41,036 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 389,878 |
| Medieval English History | 0 | - | 4.53 | 43,323 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,795 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,861 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,847 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,984 |
| Countries that Border Poland | 0 | - | 4.99 | 171,368 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,382 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,705 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,620 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,544 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,765 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,519 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,402 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,784 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,539 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,808 |
| Geography of Germany | 0 | - | 4.35 | 17,086 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,364 |
| History of Germany | 0 | - | 4.39 | 52,617 |
| Counties of Ireland | 0 | - | 4.92 | 193,103 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,461 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,350 |
| History of Spain | 0 | - | 4.29 | 21,003 |
| Languages of Spain | 0 | - | 4.36 | 23,152 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,322 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,446 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,919 |
| English Inventions #1 | 0 | - | 3.15 | 23,515 |
| English Inventions #2 | 0 | - | 4.00 | 8,660 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,156 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,449 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,691 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,299 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,960 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,837 |
| Councils of Scotland | 0 | - | 4.58 | 28,193 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,876 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,772 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,553 |
| European Cities Beginning with B - Click Map | 0 | - | 4.75 | 77,376 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,579 |
