| Name the English Monarchs | 0 | - | 4.91 | 500,994 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,606 |
| Name that Greek Letter | 0 | - | 4.93 | 322,918 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,218 |
| The Trojan War | 0 | - | 4.83 | 39,623 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,415 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,367 |
| Roman Emperors | 0 | - | 4.95 | 119,553 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,348 |
| Countries Bordering France | 0 | - | 4.83 | 401,627 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,694 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,763 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,053 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,998 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,848 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,751 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 76,032 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,167 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,627 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,520 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,020 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,392 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,585 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,670 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,832 |
| Roman Names for Places | 0 | - | 4.62 | 58,135 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,721 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,541 |
| Departments of France | 0 | - | 4.93 | 53,628 |
| French History A-Z | 0 | - | 4.23 | 24,503 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,414 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,953 |
| British History A-Z #1 | 0 | - | 4.45 | 46,363 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,551 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,419 |
| Europe Map Quiz | 0 | - | 5.00 | 4,751,790 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,667 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,130 |
| History of France | 0 | - | 4.59 | 56,758 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,855 |
| Counties of Ireland | 0 | - | 4.92 | 194,397 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,720 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,582 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,851 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,488 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,465 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,012 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,893 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,326 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,168 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,629 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,859 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,153 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,359 |
| Geography of the French Empire | 0 | - | 4.45 | 27,014 |
| The French Revolution | 0 | - | 4.46 | 23,889 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,021 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,861 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,469 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,257 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,158 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,307 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,074 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,743 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,292 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,066 |
| English Royal Consorts | 0 | - | 4.37 | 37,300 |
| The Vietnam War | 0 | - | 4.44 | 35,458 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,568 |
| Countries in World War I | 0 | - | 4.88 | 227,711 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,718 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,144 |
| Countries that Beat France | 0 | - | 4.49 | 75,563 |
| France True or False? | 0 | - | 4.43 | 39,889 |
| French History Multiple Choice | 0 | - | 4.55 | 32,987 |
| German History A-Z | 0 | - | 4.49 | 24,552 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,201 |
| Ancient Greek Words | 0 | - | 4.93 | 111,248 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,050 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,623 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,100 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,063 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,080 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,917 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,794 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,356 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,841 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,982 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,318 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,144 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,115 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,633 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,325 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,870 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,892 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,904 |
| The Only European Country ... | 0 | - | 4.91 | 215,710 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,767 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,109 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,600 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,910 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,123 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,893 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,627 |
| Slavic Countries | 0 | - | 4.96 | 111,399 |
| History of Russia Quiz | 0 | - | 4.49 | 31,867 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,180 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,392 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,106 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,325 |
| History of Italy | 0 | - | 4.55 | 31,925 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,776 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,600 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,145 |
| Arthurian Legend | 0 | - | 4.33 | 25,089 |
| Counties of England | 0 | - | 4.97 | 793,962 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,773 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,989 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,557 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,702 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,478 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,589 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,635 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,120 |
| The American Revolution | 0 | - | 4.52 | 54,193 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,598 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,151 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,766 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,404 |
| Monarchies of Europe | 0 | - | 4.90 | 97,857 |
| European Countries with One Border | 0 | - | 4.97 | 182,376 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,203 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,514 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,929 |
| Countries That Border Russia | 0 | - | 4.98 | 460,828 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,650 |
| France Country Quiz | 0 | - | 4.70 | 134,650 |
| French Inventions | 0 | - | 4.08 | 13,888 |
| Regions of France | 0 | - | 4.75 | 120,254 |
| France Immigration by Country | 0 | - | 4.70 | 76,338 |
| History of Paris | 0 | - | 4.24 | 13,633 |
| Kings of France Quiz | 0 | - | 4.20 | 32,666 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,417 |
| States of Germany | 0 | - | 4.96 | 151,626 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,791 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,189 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,237 |
| Regions of Italy | 0 | - | 4.92 | 75,433 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,547 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,499 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,927 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,480 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,294 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,234 |
| Geography of the British Empire | 0 | - | 4.48 | 39,618 |
| Animals in British History | 0 | - | 4.44 | 25,964 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,406 |
| Champions League Winners | 0 | - | 4.92 | 1,002,757 |
| Countries in World War II | 0 | - | 4.54 | 910,010 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,518 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,317 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,676 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,939 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,826 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,683,943 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,374 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,381 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,779 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,676 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,005 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,229 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,023 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,398 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,275 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,553 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,313 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,087 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,470 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,545 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,182 |
| Countries that Border Poland | 0 | - | 4.99 | 171,965 |
| Russia Country Quiz | 0 | - | 4.85 | 114,181 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,669 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,982 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,184 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,035 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,260 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,186 |
| History of Austria | 0 | - | 4.70 | 17,826 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,289 |
| Countries Two Borders Away From France | 0 | - | 4.36 | 27,566 |
| Famous French People by Picture | 0 | - | 3.70 | 27,881 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,745 |
| Germany Country Quiz | 0 | - | 4.82 | 157,438 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,790 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,453 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,810 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,826 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,908 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,863 |
