| English Monarchs Quiz | 0 | - | 4.91 | 455,398 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 592,996 |
| Houses of British Monarchs | 0 | - | 4.49 | 52,972 |
| The Trojan War | 0 | - | 4.81 | 36,390 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 87,608 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,542 |
| Roman Emperors | 0 | - | 4.96 | 98,222 |
| Monarchies of Europe | 0 | - | 4.89 | 88,357 |
| Name that Greek Letter | 0 | - | 4.94 | 298,930 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 105,323 |
| Countries Bordering Germany | 0 | - | 4.99 | 344,821 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,221 |
| English Royal Consorts | 0 | - | 4.29 | 34,922 |
| The Reign of Queen Elizabeth I | 0 | - | 4.50 | 29,956 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 53,815 |
| British History A-Z | 0 | - | 4.47 | 40,222 |
| Countries that Beat Germany | 0 | - | 4.87 | 71,600 |
| The Reign of Queen Elizabeth II | 0 | - | 4.37 | 34,021 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,468 |
| German History A-Z | 0 | - | 4.17 | 13,533 |
| Monarchies of Asia | 0 | - | 4.95 | 54,891 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 136,063 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 64,709 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 51,356 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 60,487 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 47,723 |
| States of Germany Map Quiz | 0 | - | 4.91 | 122,141 |
| States of Germany | 0 | - | 4.94 | 127,536 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,527 |
| Country Quiz on a Map - Germany | 0 | - | 4.94 | 28,292 |
| Countries Italy Declared War On | 0 | - | 4.76 | 40,500 |
| The Reign of Henry VIII | 0 | - | 4.24 | 26,495 |
| English First Names of the Middle Ages | 0 | - | 4.41 | 46,049 |
| British History Quiz for Dummies | 0 | - | 4.54 | 62,594 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.29 | 23,515 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 22,381 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 183,258 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 117,222 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 205,412 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 146,367 |
| Countries Bordering France | 0 | - | 4.87 | 362,004 |
| Germany Country Quiz | 0 | - | 4.82 | 143,177 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.56 | 57,171 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 39,164 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,771 |
| Geography of the Roman Empire | 0 | - | 4.57 | 49,005 |
| The Life of Julius Caesar | 0 | - | 4.46 | 32,390 |
| Roman Names for Places | 0 | - | 4.66 | 42,379 |
| Countries Closest to Spain | 0 | - | 4.95 | 208,984 |
| Members of the British Royal Family | 0 | - | 4.12 | 110,240 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 108,274 |
| World Capitals Closest to London | 0 | - | 4.91 | 94,646 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 87,799 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 356,909 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 160,562 |
| Europe Map Quiz | 0 | - | 5.00 | 4,359,146 |
| Category Elimination - European Countries #1 | 0 | - | 4.88 | 78,280 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,656 |
| Countries Bordering Austria | 0 | - | 4.97 | 111,284 |
| Countries that Visit France the Most | 0 | - | 4.81 | 40,631 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 67,080 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 22,889 |
| Countries Bordering Italy | 0 | - | 4.95 | 95,707 |
| Countries Closest to Italy | 0 | - | 4.97 | 182,121 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 10,401 |
| Greenland Country Quiz | 0 | - | 4.82 | 32,992 |
| Countries Closest to Iceland | 0 | - | 4.87 | 64,290 |
| Countries that Beat Portugal | 0 | - | 4.84 | 36,547 |
| Countries that Beat Spain | 0 | - | 4.95 | 56,710 |
| British Monopoly Board | 0 | - | 4.51 | 39,533 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,516 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 224,541 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 393,307 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,507 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 40,392 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.49 | 36,293 |
| The Life of Alexander the Great | 0 | - | 4.51 | 17,618 |
| Countries that Beat Italy | 0 | - | 4.88 | 46,669 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,629 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 211,488 |
| Countries in World War I | 0 | - | 4.88 | 212,458 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 35,525 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 52,149 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.92 | 47,297 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.94 | 119,678 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 340,069 |
| French History A-Z | 0 | - | 4.15 | 12,667 |
| Olympian Gods Quiz | 0 | - | 4.96 | 461,651 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,845 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,742 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,252 |
| Spanish History A-Z | 0 | - | 4.30 | 11,405 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 101,236 |
| Counties of England | 0 | - | 4.97 | 706,579 |
| Invasions of Great Britain | 0 | - | 4.49 | 56,153 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,543 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,069,087 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,211,518 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 95,702 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,360 |
| The Only European Country ... | 0 | - | 4.93 | 183,653 |
| Germany A-Z | 0 | - | 4.55 | 58,635 |
| Famous Germans by Picture | 0 | - | 4.09 | 15,731 |
| History of Germany Quiz | 0 | - | 4.35 | 40,560 |
| Ancient Greek Words | 0 | - | 4.91 | 99,801 |
| Italian History A-Z | 0 | - | 4.13 | 8,977 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 405,190 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,804 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,688 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,621 |
| British Acronyms | 0 | - | 4.41 | 43,805 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 85,143 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 282,962 |
| Champions League Winners | 0 | - | 4.92 | 895,823 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,385 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,341 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 85,595 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 191,061 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 123,570 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 78,791 |
| Three Band Flags of Europe | 0 | - | 4.97 | 174,648 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,556 |
| European Secessionist Movements on a Map | 0 | - | 4.51 | 31,957 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,364 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 123,573 |
| Pixelated Europe Map | 0 | - | 4.90 | 111,139 |
| European Countries with One Border | 0 | - | 4.96 | 152,819 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,695 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,619 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 117,043 |
| Slavic Countries | 0 | - | 4.96 | 101,702 |
| Federal Subjects of Russia | 0 | - | 4.95 | 117,511 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,437 |
| Regions of France Map Quiz | 0 | - | 4.96 | 129,550 |
| France Immigration by Country | 0 | - | 4.81 | 70,437 |
| Kings of France Quiz | 0 | - | 4.15 | 30,608 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.33 | 64,673 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 22,229 |
| Ancient Greece A-Z | 0 | - | 4.66 | 21,196 |
| Ancient Greek Inventions | 0 | - | 4.17 | 15,622 |
| Figures from Greek Mythology | 0 | - | 4.92 | 171,145 |
| Counties of Ireland | 0 | - | 4.90 | 164,036 |
| Regions of Italy | 0 | - | 4.89 | 62,279 |
| Countries in World War II | 0 | - | 4.58 | 827,515 |
| Battle to Country | 0 | - | 4.92 | 36,905 |
| The Vikings! | 0 | - | 4.45 | 27,337 |
| Denmark Country Quiz | 0 | - | 4.79 | 70,650 |
| Finland Country Quiz | 0 | - | 4.48 | 53,938 |
| Iceland Country Quiz | 0 | - | 4.66 | 39,535 |
| The Portuguese Empire | 0 | - | 4.54 | 11,430 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 87,935 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 171,838 |
| Countries Bordering Spain | 0 | - | 4.51 | 65,202 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 102,636 |
| Wives of King Henry VIII | 0 | - | 4.55 | 51,691 |
| Countries the UK Declared War On | 0 | - | 4.58 | 113,899 |
| Geography of the British Empire | 0 | - | 4.51 | 37,449 |
| Medieval English History | 0 | - | 4.52 | 41,313 |
| England or Wales? | 0 | - | 4.93 | 41,124 |
| All Champions League Teams Ever | 0 | - | 4.90 | 108,356 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,372 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 103,898 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.91 | 95,142 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 84,324 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 95,465 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 111,637 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 81,484 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,178 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 68,210 |
| Canadian Prime Ministers Quiz | 0 | - | 4.65 | 50,759 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 182,248 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 251,555 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 193,306 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 86,179 |
| Russia Country Quiz | 0 | - | 4.85 | 105,137 |
| History of Russia Quiz | 0 | - | 4.48 | 30,161 |
| Countries That Border Russia | 0 | - | 4.98 | 431,663 |
| Croatia Country Quiz | 0 | - | 4.81 | 38,377 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 31,643 |
| History of Austria | 0 | - | 4.69 | 16,596 |
| France Cities Map Quiz | 0 | - | 4.96 | 150,713 |
| Geography of the French Empire | 0 | - | 4.49 | 25,658 |
| The French Revolution | 0 | - | 4.45 | 22,172 |
| History of France Quiz | 0 | - | 4.55 | 40,108 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 108,084 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,948 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,237 |
| Italy Country Quiz | 0 | - | 4.81 | 111,626 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 136,163 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 140,122 |
| History of Italy | 0 | - | 4.49 | 30,074 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,050 |
| Byzantine History | 0 | - | 4.87 | 26,638 |
| History of The Netherlands | 0 | - | 4.43 | 15,994 |
| Countries that Beat the Netherlands | 0 | - | 4.58 | 33,953 |
| Most-Visited Countries by Swedes | 0 | - | 4.66 | 50,962 |
| Countries that Beat Iceland | 0 | - | 4.79 | 37,775 |
| 100 Greatest Britons Quiz | 0 | - | 4.39 | 46,358 |
| Arthurian Legend | 0 | - | 4.35 | 24,387 |
| Countries that Visit the UK the Most | 0 | - | 4.84 | 64,434 |
