| Regions of France Map Quiz | 0 | - | 4.97 | 143,309 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,569 |
| Geography of the French Empire | 0 | - | 4.48 | 26,946 |
| The French Revolution | 0 | - | 4.46 | 23,799 |
| Counties of England | 0 | - | 4.97 | 789,875 |
| History of France | 0 | - | 4.59 | 56,175 |
| History of Italy | 0 | - | 4.55 | 31,840 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,495 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,996 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,561 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,031 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,052 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,505 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,535 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,193 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,096 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,822 |
| States of Germany | 0 | - | 4.96 | 150,275 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,102 |
| Regions of Italy | 0 | - | 4.92 | 74,825 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,893 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,474 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,308 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,094 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,551 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,186 |
| Regions of France | 0 | - | 4.78 | 119,389 |
| France Immigration by Country | 0 | - | 4.72 | 76,009 |
| Departments of France | 0 | - | 4.93 | 52,928 |
| Countries Bordering France | 0 | - | 4.83 | 399,878 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,503 |
| History of Austria | 0 | - | 4.70 | 17,765 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,391 |
| The Vikings! | 0 | - | 4.46 | 28,253 |
| The Portuguese Empire | 0 | - | 4.54 | 11,997 |
| Name the English Monarchs | 0 | - | 4.92 | 498,387 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,541 |
| French Inventions | 0 | - | 4.08 | 13,866 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,574 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,842 |
| History of Paris | 0 | - | 4.24 | 13,619 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,211 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,887 |
| Geography of the British Empire | 0 | - | 4.48 | 39,506 |
| Malta Country Quiz | 0 | - | 4.81 | 30,860 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,187 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,513 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,716 |
| The Only European Country ... | 0 | - | 4.91 | 214,093 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,726 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,494 |
| Name that Greek Letter | 0 | - | 4.94 | 321,824 |
| History of The Netherlands | 0 | - | 4.46 | 17,326 |
| History of Russia Quiz | 0 | - | 4.49 | 31,801 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,650 |
| The Trojan War | 0 | - | 4.83 | 39,464 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,687 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,109 |
| Roman Emperors | 0 | - | 4.95 | 118,605 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,103 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,355 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,641 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,783 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,388 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,544 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,530 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,038 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,186 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,355 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,282 |
| Slavic Countries | 0 | - | 4.96 | 110,925 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,067 |
| History of Germany | 0 | - | 4.39 | 52,638 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,454 |
| History of Spain | 0 | - | 4.29 | 21,010 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,693 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,081 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,467 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,518 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,779 |
| Ancient Greek Words | 0 | - | 4.92 | 110,784 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,871 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,077 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,048 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,424 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,412 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,093 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,498 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,006 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,894 |
| Monarchies of Europe | 0 | - | 4.90 | 97,391 |
| European Countries with One Border | 0 | - | 4.97 | 181,729 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,633 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,356 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,256 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,266 |
| France Country Quiz | 0 | - | 4.70 | 133,935 |
| Movies Set in France | 0 | - | 4.26 | 13,080 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,742 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,048 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,658 |
| American to British Word Translation | 0 | - | 4.10 | 134,705 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,733 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,224 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,209 |
| Champions League Winners | 0 | - | 4.92 | 997,292 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,998 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,320 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,177 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,747 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,419 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,329 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,134 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,356 |
| Russia Country Quiz | 0 | - | 4.85 | 113,708 |
| Countries That Border Russia | 0 | - | 4.98 | 459,155 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,902 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,076 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,326 |
| Kings of France Quiz | 0 | - | 4.20 | 32,573 |
| Germany Country Quiz | 0 | - | 4.82 | 156,691 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,253 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,263 |
| Italy Country Quiz | 0 | - | 4.82 | 122,323 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,515 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,182 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,386 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,877 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,150 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,732 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,437 |
| Former Dominions of the British Empire | 0 | - | 4.30 | 24,098 |
| England or Wales? | 0 | - | 4.94 | 45,363 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,646 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,616 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,608 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,219 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,822 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,799 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,783 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,146 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,009 |
| Canary Islands | 0 | - | 4.61 | 17,411 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,200 |
| British Spellings | 0 | - | 4.07 | 99,269 |
| British Groups of Things | 0 | - | 4.25 | 82,707 |
| British Acronyms | 0 | - | 4.39 | 45,639 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,961 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.62 | 24,538 |
| Geography of Scotland | 0 | - | 4.63 | 21,496 |
| Medieval English History | 0 | - | 4.53 | 43,334 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,658,691 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,382 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,818 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,897 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,882 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,056 |
| Countries that Border Poland | 0 | - | 4.99 | 171,447 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,419 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,704 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,751 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,652 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,563 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,816 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,433 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,841 |
| 20 Questions About France | 0 | - | 4.11 | 32,343 |
| Countries that Beat France | 0 | - | 4.49 | 75,223 |
| France True or False? | 0 | - | 4.43 | 39,794 |
| Embarrassing Chapters in French History | 0 | - | 3.67 | 20,049 |
| Geography of Germany | 0 | - | 4.35 | 17,094 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,525 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,967 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,463 |
| Counties of Ireland | 0 | - | 4.92 | 193,234 |
| Italian Inventions | 0 | - | 3.81 | 18,412 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,493 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,429 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,561 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,703 |
| Roman Names for Places | 0 | - | 4.62 | 57,911 |
| Byzantine History | 0 | - | 4.91 | 28,648 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,041 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,429 |
| British to American Word Translation | 0 | - | 3.75 | 254,516 |
| British Foods by Description | 0 | - | 3.94 | 48,262 |
| British and American Word Differences | 0 | - | 2.64 | 46,645 |
| English Inventions #1 | 0 | - | 3.15 | 23,517 |
| English Inventions #2 | 0 | - | 4.00 | 8,662 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,519 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,789 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,329 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,975 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,850 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,009 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,806 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,830 |
| Bridges of London | 0 | - | 4.17 | 10,064 |
| British Sport Trivia | 0 | - | 4.37 | 20,375 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,581 |
