| Counties of England | 0 | - | 4.97 | 802,333 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,477 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,833 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,577 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,407 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,046 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,078 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,273 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,542 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,734 |
| States of Germany | 0 | - | 4.95 | 154,320 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,649 |
| Regions of Italy | 0 | - | 4.92 | 76,960 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,762 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,233 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,706 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,934 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,397 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,757 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,803 |
| England or Wales? | 0 | - | 4.94 | 45,942 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,637 |
| American to British Word Translation | 0 | - | 4.14 | 139,644 |
| Name the English Monarchs | 0 | - | 4.91 | 506,064 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,655 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,437 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,254 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,450 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,198 |
| Geography of the British Empire | 0 | - | 4.48 | 39,840 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,029 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,261 |
| Malta Country Quiz | 0 | - | 4.81 | 31,226 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,618 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,077 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,986 |
| The Only European Country ... | 0 | - | 4.91 | 218,780 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,405 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,524 |
| Name that Greek Letter | 0 | - | 4.93 | 324,875 |
| British Spellings | 0 | - | 4.06 | 99,590 |
| British Groups of Things | 0 | - | 4.26 | 82,997 |
| British Acronyms | 0 | - | 4.40 | 45,927 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,099 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,684 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,093 |
| Geography of Scotland | 0 | - | 4.63 | 21,728 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 405,944 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,771 |
| History of Italy | 0 | - | 4.55 | 32,137 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,810 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,412 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,030 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,324 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,613 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,050 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,425 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,977 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,721 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,540 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,496 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,105 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,722 |
| Slavic Countries | 0 | - | 4.96 | 112,309 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,673 |
| British to American Word Translation | 0 | - | 3.74 | 255,316 |
| British Foods by Description | 0 | - | 3.94 | 48,385 |
| British and American Word Differences | 0 | - | 2.63 | 46,925 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,560 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,210 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,823 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,237 |
| Bridges of London | 0 | - | 4.17 | 10,140 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,756 |
| British Sport Trivia | 0 | - | 4.39 | 20,523 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,186 |
| Famous Welsh People | 0 | - | 4.34 | 11,674 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,185 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,008 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,158 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,953 |
| Regions of France | 0 | - | 4.70 | 121,972 |
| France Immigration by Country | 0 | - | 4.70 | 76,901 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,429 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,710 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 494,606 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,174 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,723 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,731 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,659 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,434 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,403 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,474 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,733 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,411 |
| Monarchies of Europe | 0 | - | 4.90 | 98,795 |
| European Countries with One Border | 0 | - | 4.97 | 183,696 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,449 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,464 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,277 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,177 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,674 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,772 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,510 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,321 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,428 |
| History of Austria | 0 | - | 4.70 | 17,968 |
| Geography of the French Empire | 0 | - | 4.45 | 27,209 |
| The French Revolution | 0 | - | 4.47 | 24,136 |
| History of France | 0 | - | 4.61 | 57,564 |
| 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 | 466,285 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,334 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,842 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,399 |
| 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 | 16,815 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,791 |
| Counties of Wales | 0 | - | 4.63 | 39,577 |
| Champions League Winners | 0 | - | 4.92 | 1,015,281 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,684 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,801 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,726 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,618 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,773 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,762 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,346 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,802 |
| Russia Country Quiz | 0 | - | 4.83 | 115,267 |
| Countries That Border Russia | 0 | - | 4.98 | 464,332 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,707 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,558 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,914 |
| France Cities Map Quiz | 0 | - | 4.95 | 167,717 |
| Departments of France | 0 | - | 4.93 | 55,056 |
| Countries Bordering France | 0 | - | 4.83 | 404,721 |
| Germany Country Quiz | 0 | - | 4.82 | 158,757 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,022 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,668 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,150 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,974 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,725 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,415 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,790 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,260 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,967 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,754 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,275 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,718 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 120,561 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,643 |
| History of The Netherlands | 0 | - | 4.46 | 17,544 |
| Canary Islands | 0 | - | 4.62 | 17,521 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,031 |
| British Monopoly Board | 0 | - | 4.52 | 41,256 |
| Top 100 Harry Potter Characters by Mention | 0 | - | 4.93 | 397,039 |
| Medieval English History | 0 | - | 4.53 | 43,641 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,326 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,690 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,896 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,990 |
| Countries that Border Poland | 0 | - | 4.99 | 173,096 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,225 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,972 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,029 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,013 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,024 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,058 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,908 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,126 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,446 |
| French History Multiple Choice | 0 | - | 4.55 | 33,212 |
| Geography of Germany | 0 | - | 4.35 | 17,267 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,473 |
| History of Germany | 0 | - | 4.39 | 52,965 |
| Counties of Ireland | 0 | - | 4.92 | 197,188 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,223 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,292 |
| History of Spain | 0 | - | 4.23 | 21,158 |
| Languages of Spain | 0 | - | 4.36 | 23,426 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,022 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,952 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,084 |
| English Inventions #1 | 0 | - | 3.15 | 23,598 |
| English Inventions #2 | 0 | - | 3.95 | 8,724 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,182 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,065 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,045 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,943 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,924 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,299 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,076 |
| Councils of Scotland | 0 | - | 4.58 | 28,713 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,208 |
| San Marino Country Quiz | 0 | - | 4.73 | 29,113 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 78,741 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,437 |
