| The Reign of Napoleon | 0 | - | 4.54 | 39,126 |
| Name the English Monarchs | 0 | - | 4.91 | 506,139 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,584 |
| Name that Greek Letter | 0 | - | 4.93 | 324,897 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,624 |
| The Trojan War | 0 | - | 4.83 | 39,967 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,886 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,562 |
| Roman Emperors | 0 | - | 4.95 | 121,106 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,443 |
| Countries Bordering France | 0 | - | 4.83 | 404,755 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,067 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,132 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,448 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,673 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,418 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,292 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,223 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,686 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,784 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,517 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,565 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,264 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,827 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,259 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,195 |
| Roman Names for Places | 0 | - | 4.62 | 58,677 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,945 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,928 |
| Departments of France | 0 | - | 4.93 | 55,078 |
| French History A-Z | 0 | - | 4.27 | 25,103 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,709 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,487 |
| British History A-Z #1 | 0 | - | 4.45 | 47,215 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,054 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,023 |
| Europe Map Quiz | 0 | - | 5.00 | 4,786,068 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,004 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,917 |
| History of France | 0 | - | 4.61 | 57,572 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,492 |
| Counties of Ireland | 0 | - | 4.92 | 197,201 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,227 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,315 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,623 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,043 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,349 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,838 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,286 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,093 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,038 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,272 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 406,144 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,690 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,737 |
| Geography of the French Empire | 0 | - | 4.45 | 27,212 |
| The French Revolution | 0 | - | 4.47 | 24,139 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,260 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,527 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,570 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,137 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,256 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,101 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,844 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,320 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,040 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,224 |
| English Royal Consorts | 0 | - | 4.38 | 37,511 |
| The Vietnam War | 0 | - | 4.44 | 35,648 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,045 |
| Countries in World War I | 0 | - | 4.88 | 229,078 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,112 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,238 |
| Countries that Beat France | 0 | - | 4.48 | 76,333 |
| France True or False? | 0 | - | 4.44 | 40,064 |
| French History Multiple Choice | 0 | - | 4.55 | 33,217 |
| German History A-Z | 0 | - | 4.49 | 24,897 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,565 |
| Ancient Greek Words | 0 | - | 4.93 | 112,410 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,170 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,207 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,306 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,749 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,303 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,079 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,976 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,228 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,211 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,977 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,655 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,918 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,143 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,002 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,442 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,989 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,613 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,726 |
| The Only European Country ... | 0 | - | 4.91 | 218,830 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,607 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,540 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,419 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,299 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,373 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,122 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,732 |
| Slavic Countries | 0 | - | 4.96 | 112,321 |
| History of Russia Quiz | 0 | - | 4.47 | 31,999 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,333 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,246 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,232 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,410 |
| History of Italy | 0 | - | 4.55 | 32,140 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,610 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,810 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,414 |
| Arthurian Legend | 0 | - | 4.33 | 25,171 |
| Counties of England | 0 | - | 4.97 | 802,438 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,081 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,474 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,802 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,860 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,562 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,649 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,299 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,546 |
| The American Revolution | 0 | - | 4.52 | 54,350 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,703 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,442 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,426 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,493 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,429 |
| Monarchies of Europe | 0 | - | 4.90 | 98,807 |
| European Countries with One Border | 0 | - | 4.97 | 183,713 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,468 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,526 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,350 |
| Countries That Border Russia | 0 | - | 4.98 | 464,369 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,434 |
| France Country Quiz | 0 | - | 4.70 | 135,607 |
| French Inventions | 0 | - | 4.10 | 13,924 |
| Regions of France | 0 | - | 4.70 | 121,996 |
| France Immigration by Country | 0 | - | 4.70 | 76,905 |
| History of Paris | 0 | - | 4.24 | 13,681 |
| Kings of France Quiz | 0 | - | 4.20 | 32,910 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,750 |
| States of Germany | 0 | - | 4.95 | 154,359 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,657 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,579 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,955 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,725 |
| Regions of Italy | 0 | - | 4.92 | 76,977 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,770 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,246 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,721 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,485 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,454 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,209 |
| Geography of the British Empire | 0 | - | 4.48 | 39,840 |
| Animals in British History | 0 | - | 4.43 | 26,086 |
| British History A-Z #2 | 0 | - | 4.24 | 11,736 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,540 |
| Champions League Winners | 0 | - | 4.92 | 1,015,467 |
| Countries in World War II | 0 | - | 4.53 | 918,396 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,188 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,723,971 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,722 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,895 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,817 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,739 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,328 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,697 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,119 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,614 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,900 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,273 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,667 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,797 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,789 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,403 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,816 |
| Countries that Border Poland | 0 | - | 4.99 | 173,114 |
| Russia Country Quiz | 0 | - | 4.83 | 115,276 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,231 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,689 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,715 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,981 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,565 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,036 |
| History of Austria | 0 | - | 4.70 | 17,971 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,916 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,738 |
| Countries Two Borders Away From France | 0 | - | 4.37 | 27,771 |
| Famous French People by Picture | 0 | - | 3.70 | 28,005 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,980 |
| Germany Country Quiz | 0 | - | 4.82 | 158,777 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,037 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,557 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,899 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,475 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,216 |
