| Countries Settled by Vikings | 0 | - | 4.93 | 111,392 |
| Europe Map Quiz | 0 | - | 5.00 | 4,290,873 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 133,626 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 62,729 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.93 | 49,206 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 58,675 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 46,396 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,492 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,828 |
| English Monarchs Quiz | 0 | - | 4.91 | 446,820 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 386,107 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,899 |
| History of France Quiz | 0 | - | 4.55 | 39,679 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,907 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 335,719 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,157 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,039 |
| The Only European Country ... | 0 | - | 4.94 | 178,376 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 584,195 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,693 |
| Roman Emperors | 0 | - | 4.95 | 95,850 |
| Geography of the Dutch Empire | 0 | - | 4.71 | 32,427 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,670 |
| Invasions of Great Britain | 0 | - | 4.49 | 55,580 |
| The Trojan War | 0 | - | 4.81 | 35,933 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,367 |
| Counties of England | 0 | - | 4.96 | 689,896 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,043,795 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,183,589 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,453 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 138,346 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 186,030 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,929 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,303 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 115,817 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 74,633 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 115,659 |
| Slavic Countries | 0 | - | 4.96 | 100,448 |
| Name that Greek Letter | 0 | - | 4.94 | 295,853 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 101,438 |
| Olympian Gods Quiz | 0 | - | 4.96 | 457,157 |
| Ancient Greek Words | 0 | - | 4.90 | 97,422 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,647 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,776 |
| The Vikings! | 0 | - | 4.44 | 27,106 |
| The Portuguese Empire | 0 | - | 4.54 | 11,338 |
| Regions of Spain Quiz | 0 | - | 4.85 | 94,889 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,298 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,826 |
| Wives of King Henry VIII | 0 | - | 4.53 | 44,630 |
| Countries the UK Declared War On | 0 | - | 4.58 | 112,263 |
| Geography of the British Empire | 0 | - | 4.50 | 37,020 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 270,015 |
| Champions League Winners | 0 | - | 4.91 | 852,842 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 83,807 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 120,746 |
| Three Band Flags of Europe | 0 | - | 4.97 | 160,903 |
| Pixelated Europe Map | 0 | - | 4.90 | 109,398 |
| Monarchies of Europe | 0 | - | 4.88 | 86,966 |
| European Countries with One Border | 0 | - | 4.96 | 150,475 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 144,383 |
| History of Russia Quiz | 0 | - | 4.48 | 29,861 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,403 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,044 |
| History of Austria | 0 | - | 4.68 | 16,393 |
| Regions of France Map Quiz | 0 | - | 4.96 | 127,372 |
| Geography of the French Empire | 0 | - | 4.49 | 25,406 |
| The French Revolution | 0 | - | 4.45 | 21,914 |
| States of Germany Map Quiz | 0 | - | 4.91 | 120,172 |
| States of Germany | 0 | - | 4.93 | 123,594 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,696 |
| Counties of Ireland | 0 | - | 4.89 | 159,106 |
| History of Ireland Quiz | 0 | - | 4.44 | 18,901 |
| Regions of Italy | 0 | - | 4.88 | 60,411 |
| History of Italy | 0 | - | 4.49 | 29,784 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,602 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 399,418 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 86,216 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 169,234 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 99,984 |
| England or Wales? | 0 | - | 4.93 | 40,226 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,422 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 93,503 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 180,735 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 115,480 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,696 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 246,867 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 142,751 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 188,786 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 84,251 |
| Russia Country Quiz | 0 | - | 4.84 | 103,134 |
| Countries That Border Russia | 0 | - | 4.98 | 425,867 |
| Croatia Country Quiz | 0 | - | 4.81 | 37,254 |
| France Cities Map Quiz | 0 | - | 4.95 | 147,897 |
| Countries Bordering France | 0 | - | 4.87 | 357,260 |
| Germany Country Quiz | 0 | - | 4.82 | 140,122 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 105,960 |
| Countries Bordering Germany | 0 | - | 4.99 | 340,568 |
| Italy Country Quiz | 0 | - | 4.81 | 108,893 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 133,665 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 127,424 |
| History of The Netherlands | 0 | - | 4.42 | 15,751 |
| Medieval English History | 0 | - | 4.52 | 40,792 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 457,134 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 85,461 |
| European Countries NOT in NATO | 0 | - | 4.76 | 35,146 |
| Russian Inventions | 0 | - | 4.41 | 12,005 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,382 |
| Figures from Greek Mythology | 0 | - | 4.92 | 169,403 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,934 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,383 |
| Geography of the Roman Empire | 0 | - | 4.55 | 48,489 |
| Roman Names for Places | 0 | - | 4.67 | 41,490 |
| Byzantine History | 0 | - | 4.87 | 26,229 |
| History of Spain Quiz | 0 | - | 4.33 | 19,568 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 35,220 |
| Countries Closest to Spain | 0 | - | 4.95 | 205,836 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 103,882 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 24,765 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.76 | 18,988 |
| Houses of British Monarchs | 0 | - | 4.50 | 52,067 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 51,532 |
| Prime Ministers of the UK | 0 | - | 4.95 | 381,014 |
| World Capitals Closest to London | 0 | - | 4.90 | 93,377 |
| 50 Busiest Air Routes from London | 0 | - | 4.89 | 85,943 |
| 2025 Football League Teams | 0 | - | 4.94 | 344,863 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,168,765 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 158,035 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,125 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 128,171 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,336 |
| Category Elimination - European Countries #1 | 0 | - | 4.88 | 76,639 |
| Countries that Border Poland | 0 | - | 4.99 | 158,563 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 75,911 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 56,172 |
| Countries that Border Hungary | 0 | - | 4.98 | 96,185 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 30,964 |
| Moldova Country Quiz | 0 | - | 4.86 | 27,341 |
| Countries Bordering Serbia | 0 | - | 4.95 | 83,024 |
| Andorra Country Quiz | 0 | - | 4.87 | 27,870 |
| Countries Bordering Austria | 0 | - | 4.97 | 109,993 |
| Countries that Visit France the Most | 0 | - | 4.84 | 39,893 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,256 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 22,003 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 52,043 |
| History of Germany Quiz | 0 | - | 4.35 | 40,132 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.55 | 55,822 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,640 |
| Countries Bordering Italy | 0 | - | 4.92 | 78,778 |
| Countries Closest to Italy | 0 | - | 4.97 | 178,946 |
| The Life of Julius Caesar | 0 | - | 4.46 | 32,102 |
| Greenland Country Quiz | 0 | - | 4.81 | 32,336 |
| Countries Closest to Iceland | 0 | - | 4.87 | 62,768 |
| Countries that Beat Portugal | 0 | - | 4.83 | 35,629 |
| Countries that Beat Spain | 0 | - | 4.95 | 55,822 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,205 |
| British History A-Z | 0 | - | 4.47 | 39,481 |
| English First Names of the Middle Ages | 0 | - | 4.41 | 45,386 |
| British History Quiz for Dummies | 0 | - | 4.54 | 61,604 |
| History of Scotland | 0 | - | 4.49 | 19,629 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 255,282 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 244,701 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 48,326 |
| Europe Map Quiz - "B" Cities | 0 | - | 4.70 | 45,136 |
| Top European Languages on a Map | 0 | - | 4.76 | 118,120 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 166,873 |
| Latvia Country Quiz | 0 | - | 4.84 | 28,454 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,051 |
| French Inventions | 0 | - | 4.08 | 13,340 |
| Country Quiz on a Map - France | 0 | - | 4.97 | 38,985 |
| History of Paris | 0 | - | 4.20 | 12,680 |
| Countries that Beat Germany | 0 | - | 4.87 | 70,225 |
| Ancient Greece A-Z | 0 | - | 4.65 | 20,731 |
| Geography of Ancient Greece | 0 | - | 4.77 | 30,008 |
| Embarrassing Chapters in Italian History | 0 | - | 4.20 | 11,144 |
| Countries that Beat Italy | 0 | - | 4.88 | 45,330 |
| Ye Olde Professions | 0 | - | 4.74 | 143,875 |
| Roman History Vocabulary | 0 | - | 4.43 | 55,096 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,534 |
| Provinces of the Netherlands | 0 | - | 4.61 | 33,319 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 99,873 |
| 100 Greatest Britons Quiz | 0 | - | 4.44 | 46,014 |
| British Acronyms | 0 | - | 4.42 | 43,363 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 73,409 |
| Things British People Know that Americans Don't | 0 | - | 4.22 | 48,880 |
| Ultimate Harry Potter Name Game | 0 | - | 4.95 | 463,586 |
| Beatles Songs Quiz | 0 | - | 4.95 | 207,423 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 273,735 |
| English Royal Consorts | 0 | - | 4.27 | 34,532 |
| Former Dominions of the British Empire | 0 | - | 4.37 | 22,691 |
| The Reign of Queen Elizabeth I | 0 | - | 4.50 | 29,638 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.92 | 46,436 |
| Top 4 in English Football, 1888–2024 | 0 | - | 4.95 | 107,371 |
| Australian Capitals | 0 | - | 4.92 | 60,666 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 60,917 |
| Official European Union Languages | 0 | - | 4.98 | 200,341 |
| European Countries in their Native Language | 0 | - | 4.99 | 143,905 |
| European Geography By Letter - A | 0 | - | 4.51 | 124,408 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,582 |
| European Geography By Letter - C | 0 | - | 4.43 | 104,946 |
