| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,669 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,487 |
| Slavic Countries | 0 | - | 4.96 | 111,973 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,245 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,839 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,839 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,201 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,412 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,214 |
| History of Russia Quiz | 0 | - | 4.47 | 31,967 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,175 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,918 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,620 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,449 |
| Name the English Monarchs | 0 | - | 4.91 | 504,390 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,513 |
| Name that Greek Letter | 0 | - | 4.93 | 324,307 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,350 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,125 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,568 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,776 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,265 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,866 |
| The Only European Country ... | 0 | - | 4.91 | 217,657 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,750 |
| The Trojan War | 0 | - | 4.83 | 39,833 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,365 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,868 |
| Roman Emperors | 0 | - | 4.95 | 120,501 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,673 |
| History of Italy | 0 | - | 4.55 | 32,079 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,741 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,315 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,983 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,652 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,057 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,609 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,028 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,535 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,630 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,444 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,611 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,738 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,166 |
| Ancient Greek Words | 0 | - | 4.93 | 112,017 |
| Counties of England | 0 | - | 4.97 | 799,651 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,668 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,134 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,111 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,952 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,834 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,061 |
| Monarchies of Europe | 0 | - | 4.90 | 98,430 |
| European Countries with One Border | 0 | - | 4.97 | 183,229 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,006 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,396 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,236 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,952 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,303 |
| States of Germany | 0 | - | 4.95 | 153,486 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,344 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,725 |
| Regions of Italy | 0 | - | 4.92 | 76,395 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,306 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,309 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,500 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,610 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,465 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,221 |
| Champions League Winners | 0 | - | 4.92 | 1,010,715 |
| Geography of Russia | 0 | - | 4.57 | 21,559 |
| Countries That Border Russia | 0 | - | 4.98 | 463,035 |
| History of Austria | 0 | - | 4.70 | 17,919 |
| Geography of the French Empire | 0 | - | 4.45 | 27,164 |
| The French Revolution | 0 | - | 4.47 | 24,074 |
| Countries Bordering France | 0 | - | 4.83 | 403,774 |
| History of France | 0 | - | 4.61 | 57,334 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,870 |
| The Vikings! | 0 | - | 4.46 | 28,374 |
| The Portuguese Empire | 0 | - | 4.58 | 12,087 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,422 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,962 |
| Geography of the British Empire | 0 | - | 4.48 | 39,765 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,770 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,415 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,338 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,366 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,647 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,908 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,694 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,210 |
| Russia Country Quiz | 0 | - | 4.83 | 114,774 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,519 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,435 |
| Latvia Country Quiz | 0 | - | 4.77 | 32,112 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,806 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,273 |
| Departments of France | 0 | - | 4.93 | 54,585 |
| Germany Country Quiz | 0 | - | 4.83 | 158,298 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,723 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,107 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,965 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,863 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,915 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,780 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,688 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,455 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,634 |
| History of The Netherlands | 0 | - | 4.46 | 17,497 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,168 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,327 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,120 |
| Medieval English History | 0 | - | 4.53 | 43,589 |
| England or Wales? | 0 | - | 4.94 | 45,823 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,174 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,149 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,711,179 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,330 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,283 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,891 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,215 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,677 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,553 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,801 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,681 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,494 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,452 |
| Slavic Languages | 0 | - | 4.68 | 54,505 |
| Countries that Border Poland | 0 | - | 4.99 | 172,681 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,015 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,715 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,479 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,946 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,908 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,718 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,901 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,709 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,987 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,308 |
| French History Multiple Choice | 0 | - | 4.55 | 33,141 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,516 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,553 |
| History of Germany | 0 | - | 4.39 | 52,910 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,972 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,736 |
| Counties of Ireland | 0 | - | 4.92 | 196,236 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,056 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,446 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 40,822 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,028 |
| Roman Names for Places | 0 | - | 4.62 | 58,464 |
| Byzantine History | 0 | - | 4.91 | 28,936 |
| Byzantine Emperors | 0 | - | 4.92 | 14,409 |
| History of Spain | 0 | - | 4.23 | 21,125 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,243 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,469 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,432 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,790 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,864 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,193 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,810 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,228 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,014 |
| Prime Ministers of the UK | 0 | - | 4.95 | 440,506 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,840 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,051 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,095 |
| Malta Country Quiz | 0 | - | 4.81 | 31,135 |
| European Cities Beginning with B - Click Map | 0 | - | 4.78 | 78,452 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,432 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,923 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,328 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,791 |
| Russian History A-Z | 0 | - | 4.35 | 31,910 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,141 |
| Russian Inventions | 0 | - | 4.39 | 12,986 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,576 |
| French Inventions | 0 | - | 4.10 | 13,910 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,419 |
| History of Paris | 0 | - | 4.24 | 13,665 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,817 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,256 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,183 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,134 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,700 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,791 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,015 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,577 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,121 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,796 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,309 |
| British History A-Z #1 | 0 | - | 4.45 | 46,608 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,872 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,805 |
| History of Scotland | 0 | - | 4.51 | 21,136 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,536 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 142,214 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,844 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,730 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,582 |
