| The Reign of Napoleon | 0 | - | 4.54 | 39,163 |
| Name the English Monarchs | 0 | - | 4.91 | 506,786 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,227 |
| Name that Greek Letter | 0 | - | 4.93 | 325,070 |
| Countries Italy Declared War On | 0 | - | 4.70 | 45,772 |
| The Trojan War | 0 | - | 4.83 | 40,006 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,019 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,612 |
| Roman Emperors | 0 | - | 4.95 | 121,272 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,639 |
| Countries Bordering France | 0 | - | 4.83 | 405,023 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,105 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,164 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,502 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,728 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,474 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,427 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,609 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,853 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,899 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,623 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,692 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,346 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,858 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,321 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,219 |
| Roman Names for Places | 0 | - | 4.62 | 58,725 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,979 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,975 |
| Departments of France | 0 | - | 4.93 | 55,227 |
| French History A-Z | 0 | - | 4.27 | 25,157 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,955 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,532 |
| British History A-Z #1 | 0 | - | 4.45 | 47,281 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,108 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,079 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,563 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,130 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,965 |
| History of France | 0 | - | 4.61 | 57,654 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,772 |
| Counties of Ireland | 0 | - | 4.92 | 197,406 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,275 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,446 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,700 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,186 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,425 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,907 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,468 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,550 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,089 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,328 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 407,203 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,044 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,765 |
| Geography of the French Empire | 0 | - | 4.45 | 27,221 |
| The French Revolution | 0 | - | 4.47 | 24,151 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,369 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,580 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,586 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,212 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,267 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,179 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,906 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,370 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,114 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,443 |
| English Royal Consorts | 0 | - | 4.38 | 37,537 |
| The Vietnam War | 0 | - | 4.44 | 35,662 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,222 |
| Countries in World War I | 0 | - | 4.88 | 229,232 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,329 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,397 |
| Countries that Beat France | 0 | - | 4.48 | 76,410 |
| France True or False? | 0 | - | 4.44 | 40,083 |
| French History Multiple Choice | 0 | - | 4.55 | 33,248 |
| German History A-Z | 0 | - | 4.49 | 24,924 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,911 |
| Ancient Greek Words | 0 | - | 4.93 | 112,527 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,183 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,249 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,316 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,852 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,329 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,095 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 36,004 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,513 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,259 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 69,092 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,926 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,027 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,161 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,250 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,623 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,131 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,944 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,816 |
| The Only European Country ... | 0 | - | 4.91 | 219,197 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,894 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,016 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,620 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,488 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,555 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,235 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,821 |
| Slavic Countries | 0 | - | 4.96 | 112,414 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,353 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,430 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,244 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,417 |
| History of Italy | 0 | - | 4.55 | 32,159 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,962 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,829 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,433 |
| Arthurian Legend | 0 | - | 4.33 | 25,179 |
| Counties of England | 0 | - | 4.97 | 803,289 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,108 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,508 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,826 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,877 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,568 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,653 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,940 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,629 |
| The American Revolution | 0 | - | 4.52 | 54,365 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,021 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,873 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,579 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,659 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,512 |
| Monarchies of Europe | 0 | - | 4.90 | 98,916 |
| European Countries with One Border | 0 | - | 4.97 | 183,864 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,585 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,934 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,618 |
| Countries That Border Russia | 0 | - | 4.98 | 464,612 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,502 |
| France Country Quiz | 0 | - | 4.70 | 135,699 |
| French Inventions | 0 | - | 4.10 | 13,929 |
| Regions of France | 0 | - | 4.70 | 122,168 |
| France Immigration by Country | 0 | - | 4.70 | 76,955 |
| History of Paris | 0 | - | 4.24 | 13,682 |
| Kings of France Quiz | 0 | - | 4.21 | 32,937 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,855 |
| States of Germany | 0 | - | 4.95 | 154,626 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,723 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,631 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,980 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,955 |
| Regions of Italy | 0 | - | 4.92 | 77,133 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,825 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,397 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,790 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,558 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,468 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,291 |
| Geography of the British Empire | 0 | - | 4.48 | 39,851 |
| Animals in British History | 0 | - | 4.43 | 26,103 |
| British History A-Z #2 | 0 | - | 4.28 | 11,912 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,556 |
| Champions League Winners | 0 | - | 4.92 | 1,016,636 |
| Countries in World War II | 0 | - | 4.53 | 919,259 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,208 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,727,311 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,833 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,949 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,951 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,846 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,367 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,760 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,291 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,800 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,977 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,338 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,989 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,004 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,014 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,810 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,944 |
| Countries that Border Poland | 0 | - | 4.99 | 173,214 |
| Russia Country Quiz | 0 | - | 4.83 | 115,347 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,295 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,962 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,775 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,028 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,603 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,121 |
| History of Austria | 0 | - | 4.70 | 17,977 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,952 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,852 |
| Countries Two Borders Away From France | 0 | - | 4.37 | 27,785 |
| Famous French People by Picture | 0 | - | 3.71 | 28,013 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 39,003 |
| Germany Country Quiz | 0 | - | 4.82 | 158,894 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,114 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,562 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,910 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,517 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,248 |
