| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,606 |
| Roman Emperors | 0 | - | 4.95 | 120,266 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,359 |
| Name that Greek Letter | 0 | - | 4.93 | 324,052 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,774 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,976 |
| Roman Names for Places | 0 | - | 4.62 | 58,366 |
| The Trojan War | 0 | - | 4.83 | 39,774 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,066 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,315 |
| Name the English Monarchs | 0 | - | 4.91 | 503,487 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,199 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,109 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,957 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,224 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,649 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,224 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,792 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,692 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,593 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,138 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,522 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,382 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,612 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 82,913 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,933 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,217 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,047 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,516 |
| Regions of Italy | 0 | - | 4.92 | 76,115 |
| History of Italy | 0 | - | 4.55 | 32,031 |
| Byzantine History | 0 | - | 4.91 | 28,901 |
| Byzantine Emperors | 0 | - | 4.92 | 14,304 |
| Countries Bordering France | 0 | - | 4.83 | 403,140 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,116 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,562 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,584 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,828 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,738 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,002 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,540 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,824 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,512 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,925 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,245 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,001 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,116 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,533 |
| Counties of Ireland | 0 | - | 4.92 | 195,824 |
| Roman History by Picture | 0 | - | 4.46 | 26,487 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,221 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,412 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,094 |
| British History A-Z #1 | 0 | - | 4.45 | 46,553 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,747 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,694 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,757 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,933 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,696 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,307 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,640 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,133 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,367 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,320 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,684 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,451 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,028 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,668 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,593 |
| English Royal Consorts | 0 | - | 4.38 | 37,394 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,248 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,830 |
| German History A-Z | 0 | - | 4.49 | 24,642 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,050 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,939 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,954 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,206 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,190 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,990 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,645 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,372 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,869 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,026 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,525 |
| The Only European Country ... | 0 | - | 4.91 | 217,139 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,417 |
| History of Russia Quiz | 0 | - | 4.47 | 31,943 |
| Ancient Greek Words | 0 | - | 4.93 | 111,802 |
| Italian History A-Z | 0 | - | 4.21 | 17,732 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,634 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,705 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,278 |
| Counties of England | 0 | - | 4.97 | 798,147 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,921 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,864 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,422 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,826 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,349 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,120 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,295 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,982 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,522 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,464 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,324 |
| Slavic Countries | 0 | - | 4.96 | 111,805 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,488 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,161 |
| Geography of Rome | 0 | - | 4.51 | 16,678 |
| Rome City Trivia | 0 | - | 4.49 | 20,681 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,122 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,780 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,519 |
| Champions League Winners | 0 | - | 4.91 | 1,008,779 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,007 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,245 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,165 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,988 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,740 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,569 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,924 |
| Monarchies of Europe | 0 | - | 4.90 | 98,269 |
| European Countries with One Border | 0 | - | 4.97 | 183,001 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,774 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,678 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,187 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,802 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,429 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,666 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,919 |
| Russia Country Quiz | 0 | - | 4.83 | 114,620 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,750 |
| Countries That Border Russia | 0 | - | 4.98 | 462,404 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,425 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,018 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,393 |
| History of Austria | 0 | - | 4.70 | 17,888 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,742 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,683 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,989 |
| Departments of France | 0 | - | 4.93 | 54,337 |
| Geography of the French Empire | 0 | - | 4.45 | 27,144 |
| The French Revolution | 0 | - | 4.47 | 24,037 |
| History of France | 0 | - | 4.59 | 57,192 |
| French History A-Z | 0 | - | 4.27 | 24,721 |
| Germany Country Quiz | 0 | - | 4.83 | 158,075 |
| States of Germany Map Quiz | 0 | - | 4.91 | 133,036 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,524 |
| States of Germany | 0 | - | 4.95 | 152,950 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,194 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,817 |
| Italy Country Quiz | 0 | - | 4.77 | 123,537 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,212 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,119 |
| Serie A Champions | 0 | - | 4.29 | 58,399 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,343 |
| The Vikings! | 0 | - | 4.46 | 28,359 |
| The Portuguese Empire | 0 | - | 4.58 | 12,078 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,045 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,215 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,855 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,321 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,087 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,853 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,382 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,601 |
| Geography of the British Empire | 0 | - | 4.48 | 39,726 |
| Animals in British History | 0 | - | 4.43 | 26,029 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,467 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,729 |
| England or Wales? | 0 | - | 4.94 | 45,756 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,797 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,704,883 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,971 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,161 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,469 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,562 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,263 |
| Countries that Border Poland | 0 | - | 4.99 | 172,477 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,931 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,291 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,343 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,563 |
| Countries that Beat France | 0 | - | 4.49 | 75,975 |
| France True or False? | 0 | - | 4.44 | 39,971 |
| French History Multiple Choice | 0 | - | 4.55 | 33,100 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,842 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,035 |
| Roman to Greek God | 0 | - | 4.52 | 122,950 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,960 |
| History of The Netherlands | 0 | - | 4.46 | 17,463 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,390 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,971 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,404 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,113 |
| Finland Country Quiz | 0 | - | 4.50 | 59,739 |
| Norway Country Quiz | 0 | - | 4.44 | 77,449 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,212 |
| Spanish History A-Z | 0 | - | 4.37 | 19,316 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,489 |
| Arthurian Legend | 0 | - | 4.33 | 25,127 |
