| The Trojan War | 0 | - | 4.81 | 35,937 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,377 |
| English Monarchs Quiz | 0 | - | 4.91 | 446,858 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,700 |
| Roman Emperors | 0 | - | 4.95 | 95,857 |
| Greenland Country Quiz | 0 | - | 4.81 | 32,337 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 133,631 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 62,735 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.93 | 49,215 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 58,684 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 46,398 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,495 |
| Europe Map Quiz | 0 | - | 5.00 | 4,291,170 |
| Countries Bordering France | 0 | - | 4.87 | 357,275 |
| Countries Bordering Germany | 0 | - | 4.99 | 340,587 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.55 | 55,831 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,603 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 86,221 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 169,244 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 99,996 |
| England or Wales? | 0 | - | 4.93 | 40,232 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,830 |
| France Cities Map Quiz | 0 | - | 4.95 | 147,908 |
| Germany Country Quiz | 0 | - | 4.82 | 140,132 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 105,964 |
| Italy Country Quiz | 0 | - | 4.81 | 108,904 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 133,674 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 127,429 |
| Nordic Cities Map Quiz | 0 | - | 4.72 | 85,185 |
| Countries Closest to Spain | 0 | - | 4.95 | 205,852 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 103,896 |
| World Capitals Closest to London | 0 | - | 4.90 | 93,383 |
| 50 Busiest Air Routes from London | 0 | - | 4.89 | 85,949 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 386,124 |
| Countries Bordering Austria | 0 | - | 4.97 | 109,998 |
| Countries that Visit France the Most | 0 | - | 4.84 | 39,894 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,256 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 52,048 |
| Countries Bordering Italy | 0 | - | 4.92 | 78,779 |
| Countries Closest to Italy | 0 | - | 4.97 | 178,955 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,900 |
| Denmark Country Quiz | 0 | - | 4.79 | 69,604 |
| Finland Country Quiz | 0 | - | 4.48 | 52,933 |
| Norway Country Quiz | 0 | - | 4.42 | 56,626 |
| Iceland Country Quiz | 0 | - | 4.71 | 38,794 |
| Countries Closest to Iceland | 0 | - | 4.87 | 62,774 |
| Countries that Beat Portugal | 0 | - | 4.83 | 35,631 |
| Countries that Beat Spain | 0 | - | 4.95 | 55,822 |
| Medieval English History | 0 | - | 4.52 | 40,794 |
| Andorra Country Quiz | 0 | - | 4.87 | 27,871 |
| Countries that Beat Germany | 0 | - | 4.87 | 70,226 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,383 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 584,228 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,935 |
| Countries that Beat Italy | 0 | - | 4.88 | 45,337 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,385 |
| Geography of the Roman Empire | 0 | - | 4.55 | 48,492 |
| Roman Names for Places | 0 | - | 4.67 | 41,494 |
| Geography of the Dutch Empire | 0 | - | 4.71 | 32,430 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,675 |
| Invasions of Great Britain | 0 | - | 4.49 | 55,582 |
| Houses of British Monarchs | 0 | - | 4.50 | 52,070 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 51,538 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,918 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 335,734 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,163 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,042 |
| The Only European Country ... | 0 | - | 4.94 | 178,390 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,054 |
| Name that Greek Letter | 0 | - | 4.94 | 295,864 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,642 |
| Counties of England | 0 | - | 4.96 | 689,966 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,043,904 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,183,725 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,456 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 138,349 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 186,050 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,938 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,315 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 115,858 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 74,644 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 115,667 |
| Slavic Countries | 0 | - | 4.96 | 100,456 |
| Olympian Gods Quiz | 0 | - | 4.96 | 457,172 |
| Ancient Greek Words | 0 | - | 4.90 | 97,432 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 399,440 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,654 |
| Sweden Country Quiz | 0 | - | 4.36 | 62,347 |
| UK Cities Map Quiz | 0 | - | 4.94 | 433,205 |
| British History Quiz for Dummies | 0 | - | 4.54 | 61,610 |
| History of Scotland | 0 | - | 4.49 | 19,629 |
| Champions League Winners | 0 | - | 4.91 | 852,986 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,093 |
| Ancient Greece A-Z | 0 | - | 4.65 | 20,732 |
| Geography of Ancient Greece | 0 | - | 4.77 | 30,011 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,534 |
| Monaco Country Quiz | 0 | - | 4.45 | 37,556 |
| Netherlands Country Quiz | 0 | - | 4.53 | 72,923 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,781 |
| The Vikings! | 0 | - | 4.44 | 27,106 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,280 |
| Portugal Country Quiz | 0 | - | 4.66 | 64,847 |
| The Portuguese Empire | 0 | - | 4.54 | 11,338 |
| Spain Country Quiz | 0 | - | 4.44 | 114,919 |
| Regions of Spain Quiz | 0 | - | 4.85 | 94,908 |
| Switzerland Country Quiz | 0 | - | 4.54 | 57,126 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,312 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,832 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,875 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.50 | 36,472 |
| Wives of King Henry VIII | 0 | - | 4.53 | 44,630 |
| English Royal Consorts | 0 | - | 4.27 | 34,534 |
| Countries the UK Declared War On | 0 | - | 4.58 | 112,268 |
| Geography of the British Empire | 0 | - | 4.50 | 37,020 |
| The Reign of Queen Elizabeth I | 0 | - | 4.50 | 29,639 |
| Counties of Wales | 0 | - | 4.61 | 33,506 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 270,064 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 83,812 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 120,753 |
| Three Band Flags of Europe | 0 | - | 4.97 | 160,920 |
| Pixelated Europe Map | 0 | - | 4.90 | 109,406 |
| Monarchies of Europe | 0 | - | 4.88 | 86,970 |
| European Countries with One Border | 0 | - | 4.96 | 150,484 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 144,390 |
| History of Russia Quiz | 0 | - | 4.48 | 29,862 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,425 |
| Countries That Border Russia | 0 | - | 4.98 | 425,886 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,049 |
| History of Austria | 0 | - | 4.68 | 16,393 |
| Austria Country Quiz | 0 | - | 4.55 | 54,153 |
| Belgium Country Quiz | 0 | - | 4.66 | 64,537 |
| France Country Quiz | 0 | - | 4.76 | 121,207 |
| Regions of France Map Quiz | 0 | - | 4.96 | 127,381 |
| Geography of the French Empire | 0 | - | 4.49 | 25,407 |
| The French Revolution | 0 | - | 4.45 | 21,915 |
| History of France Quiz | 0 | - | 4.55 | 39,679 |
| States of Germany Map Quiz | 0 | - | 4.91 | 120,179 |
| States of Germany | 0 | - | 4.93 | 123,617 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,702 |
| Greece Country Quiz | 0 | - | 4.72 | 59,786 |
| The Life of Alexander the Great | 0 | - | 4.51 | 17,451 |
| Counties of Ireland | 0 | - | 4.89 | 159,138 |
| History of Ireland Quiz | 0 | - | 4.44 | 18,902 |
| Regions of Italy | 0 | - | 4.88 | 60,426 |
| History of Italy | 0 | - | 4.49 | 29,785 |
| Byzantine History | 0 | - | 4.87 | 26,231 |
| History of The Netherlands | 0 | - | 4.42 | 15,752 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 93,459 |
| Countries Bordering Spain | 0 | - | 4.50 | 64,364 |
| UK Immigration by Country | 0 | - | 4.95 | 125,174 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 118,710 |
| British Monopoly Board | 0 | - | 4.51 | 39,244 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,438 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 93,510 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 180,743 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 115,487 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,722 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 246,889 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 142,761 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 188,824 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 84,265 |
| Russia Country Quiz | 0 | - | 4.84 | 103,149 |
| Russian Inventions | 0 | - | 4.41 | 12,006 |
| Croatia Country Quiz | 0 | - | 4.81 | 37,257 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.48 | 35,863 |
| Figures from Greek Mythology | 0 | - | 4.92 | 169,411 |
| Luxembourg Country Quiz | 0 | - | 4.74 | 29,902 |
| Countries that Beat the Netherlands | 0 | - | 4.58 | 33,438 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 50,349 |
| History of Spain Quiz | 0 | - | 4.33 | 19,569 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 35,221 |
| Spanish History A-Z | 0 | - | 4.30 | 11,287 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 65,767 |
| Arthurian Legend | 0 | - | 4.35 | 24,285 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 62,560 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,212 |
| Oldest Cities in the United Kingdom | 0 | - | 4.34 | 22,137 |
| Wonderwall Lyrics | 0 | - | 4.22 | 68,782 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 222,049 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 24,766 |
| Embarrassing Chapters in British History | 0 | - | 4.28 | 30,291 |
| The Reign of Henry VIII | 0 | - | 4.24 | 26,281 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.76 | 18,991 |
| History of London | 0 | - | 4.31 | 24,275 |
| British History Multiple Choice #2 | 0 | - | 4.40 | 28,627 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.29 | 23,350 |
| Prime Ministers of the UK | 0 | - | 4.95 | 381,052 |
| 2025 Football League Teams | 0 | - | 4.94 | 344,901 |
| Councils of Scotland | 0 | - | 4.62 | 24,675 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,168,996 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 158,041 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,128 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 128,173 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 85,480 |
| European Countries NOT in NATO | 0 | - | 4.76 | 35,153 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,344 |
| Category Elimination - European Countries #1 | 0 | - | 4.88 | 76,646 |
| Countries that Border Poland | 0 | - | 4.99 | 158,570 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 75,918 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 56,180 |
