| The Reign of Napoleon | 0 | - | 4.54 | 39,108 |
| Name the English Monarchs | 0 | - | 4.91 | 505,834 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,180 |
| Name that Greek Letter | 0 | - | 4.93 | 324,813 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,602 |
| The Trojan War | 0 | - | 4.83 | 39,948 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,800 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,537 |
| Roman Emperors | 0 | - | 4.95 | 121,026 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,301 |
| Countries Bordering France | 0 | - | 4.83 | 404,610 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,035 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,107 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,424 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,638 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,387 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,194 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,037 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,624 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,719 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,472 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,487 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,222 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,810 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,219 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,180 |
| Roman Names for Places | 0 | - | 4.62 | 58,652 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,930 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,906 |
| Departments of France | 0 | - | 4.93 | 54,968 |
| French History A-Z | 0 | - | 4.27 | 25,072 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,569 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,464 |
| British History A-Z #1 | 0 | - | 4.45 | 47,179 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,035 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,984 |
| Europe Map Quiz | 0 | - | 5.00 | 4,783,562 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,923 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,885 |
| History of France | 0 | - | 4.61 | 57,534 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,345 |
| Counties of Ireland | 0 | - | 4.92 | 197,046 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,201 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,209 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,570 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,946 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,319 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,792 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,163 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,802 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,006 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,238 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 404,853 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,495 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,717 |
| Geography of the French Empire | 0 | - | 4.45 | 27,202 |
| The French Revolution | 0 | - | 4.47 | 24,129 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,204 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,499 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,562 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,092 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,252 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,045 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,790 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,277 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,002 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,147 |
| English Royal Consorts | 0 | - | 4.38 | 37,502 |
| The Vietnam War | 0 | - | 4.44 | 35,633 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,957 |
| Countries in World War I | 0 | - | 4.88 | 228,989 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,957 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,184 |
| Countries that Beat France | 0 | - | 4.48 | 76,280 |
| France True or False? | 0 | - | 4.44 | 40,050 |
| French History Multiple Choice | 0 | - | 4.55 | 33,201 |
| German History A-Z | 0 | - | 4.49 | 24,881 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,330 |
| Ancient Greek Words | 0 | - | 4.93 | 112,328 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,161 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,172 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,297 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,699 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,288 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,064 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,967 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,034 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,185 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,916 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,504 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,515 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,503 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,885 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,382 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,926 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,464 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,682 |
| The Only European Country ... | 0 | - | 4.91 | 218,624 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,431 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,316 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,316 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,212 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,291 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,050 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,695 |
| Slavic Countries | 0 | - | 4.96 | 112,267 |
| History of Russia Quiz | 0 | - | 4.47 | 31,994 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,322 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,148 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,226 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,403 |
| History of Italy | 0 | - | 4.55 | 32,125 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,402 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,798 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,406 |
| Arthurian Legend | 0 | - | 4.33 | 25,166 |
| Counties of England | 0 | - | 4.97 | 801,990 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,064 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,463 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,785 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,851 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,561 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,647 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,802 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,520 |
| The American Revolution | 0 | - | 4.52 | 54,341 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,620 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,393 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,351 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,390 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,365 |
| Monarchies of Europe | 0 | - | 4.90 | 98,752 |
| European Countries with One Border | 0 | - | 4.97 | 183,610 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,380 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,399 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,211 |
| Countries That Border Russia | 0 | - | 4.98 | 464,202 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,397 |
| France Country Quiz | 0 | - | 4.70 | 135,542 |
| French Inventions | 0 | - | 4.10 | 13,922 |
| Regions of France | 0 | - | 4.70 | 121,889 |
| France Immigration by Country | 0 | - | 4.70 | 76,875 |
| History of Paris | 0 | - | 4.24 | 13,674 |
| Kings of France Quiz | 0 | - | 4.20 | 32,898 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,669 |
| States of Germany | 0 | - | 4.95 | 154,221 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,614 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,546 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,941 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,584 |
| Regions of Italy | 0 | - | 4.92 | 76,904 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,730 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,156 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,676 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,450 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,446 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,170 |
| Geography of the British Empire | 0 | - | 4.48 | 39,829 |
| Animals in British History | 0 | - | 4.43 | 26,081 |
| British History A-Z #2 | 0 | - | 4.24 | 11,561 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,535 |
| Champions League Winners | 0 | - | 4.92 | 1,014,630 |
| Countries in World War II | 0 | - | 4.53 | 917,880 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,169 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,721,815 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,654 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,862 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,757 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,685 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,313 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,674 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,972 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,497 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,851 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,227 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,437 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,666 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,636 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,150 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,734 |
| Countries that Border Poland | 0 | - | 4.99 | 173,051 |
| Russia Country Quiz | 0 | - | 4.83 | 115,221 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,198 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,534 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,681 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,947 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,541 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,985 |
| History of Austria | 0 | - | 4.70 | 17,965 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,900 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,665 |
| Countries Two Borders Away From France | 0 | - | 4.37 | 27,768 |
| Famous French People by Picture | 0 | - | 3.70 | 28,000 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,967 |
| Germany Country Quiz | 0 | - | 4.82 | 158,701 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,981 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,550 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,895 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,446 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,201 |
