| The Reign of Napoleon | 0 | - | 4.54 | 39,073 |
| Name the English Monarchs | 0 | - | 4.91 | 505,000 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,242 |
| Name that Greek Letter | 0 | - | 4.93 | 324,521 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,534 |
| The Trojan War | 0 | - | 4.83 | 39,910 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,570 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,416 |
| Roman Emperors | 0 | - | 4.95 | 120,750 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,978 |
| Countries Bordering France | 0 | - | 4.83 | 404,160 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,989 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,046 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,362 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,529 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,305 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,998 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,420 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,398 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,536 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,316 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,093 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,091 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,773 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,868 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,130 |
| Roman Names for Places | 0 | - | 4.62 | 58,579 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,883 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,852 |
| Departments of France | 0 | - | 4.93 | 54,754 |
| French History A-Z | 0 | - | 4.27 | 24,841 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,185 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,385 |
| British History A-Z #1 | 0 | - | 4.45 | 46,652 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,925 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,875 |
| Europe Map Quiz | 0 | - | 5.00 | 4,778,208 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,696 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,788 |
| History of France | 0 | - | 4.61 | 57,425 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,910 |
| Counties of Ireland | 0 | - | 4.92 | 196,646 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,126 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,922 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,455 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,679 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,210 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,663 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,745 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,072 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,918 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,134 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,624 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,963 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,668 |
| Geography of the French Empire | 0 | - | 4.45 | 27,187 |
| The French Revolution | 0 | - | 4.47 | 24,099 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,001 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,387 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,549 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,951 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,229 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,907 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,679 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,194 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,882 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,951 |
| English Royal Consorts | 0 | - | 4.38 | 37,467 |
| The Vietnam War | 0 | - | 4.44 | 35,613 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,680 |
| Countries in World War I | 0 | - | 4.88 | 228,727 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,568 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,993 |
| Countries that Beat France | 0 | - | 4.48 | 76,171 |
| France True or False? | 0 | - | 4.44 | 40,023 |
| French History Multiple Choice | 0 | - | 4.55 | 33,165 |
| German History A-Z | 0 | - | 4.49 | 24,703 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,698 |
| Ancient Greek Words | 0 | - | 4.93 | 112,163 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,148 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,106 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,268 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,558 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,254 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,035 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,922 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 142,582 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,129 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,779 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,127 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,252,424 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,971 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,567 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,213 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,773 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,047 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,558 |
| The Only European Country ... | 0 | - | 4.91 | 218,103 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,953 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,531 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,047 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,016 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,121 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,850 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,584 |
| Slavic Countries | 0 | - | 4.96 | 112,116 |
| History of Russia Quiz | 0 | - | 4.47 | 31,977 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,306 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,863 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,204 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,388 |
| History of Italy | 0 | - | 4.55 | 32,099 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,757 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,763 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,362 |
| Arthurian Legend | 0 | - | 4.33 | 25,143 |
| Counties of England | 0 | - | 4.97 | 800,683 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,022 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,412 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,760 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,819 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,547 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,641 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,638 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,455 |
| The American Revolution | 0 | - | 4.52 | 54,315 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,417 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,260 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,144 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,070 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,211 |
| Monarchies of Europe | 0 | - | 4.90 | 98,552 |
| European Countries with One Border | 0 | - | 4.97 | 183,411 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,178 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,974 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,578 |
| Countries That Border Russia | 0 | - | 4.98 | 463,700 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,283 |
| France Country Quiz | 0 | - | 4.70 | 135,409 |
| French Inventions | 0 | - | 4.10 | 13,917 |
| Regions of France | 0 | - | 4.70 | 121,613 |
| France Immigration by Country | 0 | - | 4.70 | 76,797 |
| History of Paris | 0 | - | 4.24 | 13,666 |
| Kings of France Quiz | 0 | - | 4.20 | 32,862 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,449 |
| States of Germany | 0 | - | 4.95 | 153,835 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,471 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,475 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,903 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,202 |
| Regions of Italy | 0 | - | 4.92 | 76,557 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,596 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,872 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,543 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,320 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,431 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,065 |
| Geography of the British Empire | 0 | - | 4.48 | 39,801 |
| Animals in British History | 0 | - | 4.43 | 26,058 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,509 |
| Champions League Winners | 0 | - | 4.92 | 1,012,285 |
| Countries in World War II | 0 | - | 4.54 | 916,514 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,111 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,716,209 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,496 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,772 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,542 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,475 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,265 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,601 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,245 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,134 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,731 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,076 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,894 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,001 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,226 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,289 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,470 |
| Countries that Border Poland | 0 | - | 4.99 | 172,853 |
| Russia Country Quiz | 0 | - | 4.83 | 115,053 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,098 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,069 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,585 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,856 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,483 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,850 |
| History of Austria | 0 | - | 4.70 | 17,945 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,856 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,440 |
| Countries Two Borders Away From France | 0 | - | 4.37 | 27,752 |
| Famous French People by Picture | 0 | - | 3.70 | 27,977 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,927 |
| Germany Country Quiz | 0 | - | 4.83 | 158,503 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,845 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,534 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,877 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,335 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,158 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,986 |
