| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,508 |
| Roman Emperors | 0 | - | 4.95 | 119,974 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,139 |
| Name that Greek Letter | 0 | - | 4.93 | 323,371 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,733 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,914 |
| Roman Names for Places | 0 | - | 4.62 | 58,267 |
| The Trojan War | 0 | - | 4.83 | 39,712 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,781 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,884 |
| Name the English Monarchs | 0 | - | 4.91 | 502,408 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,179 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,082 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,846 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,988 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,936 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,113 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,633 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,649 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,463 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,980 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,612 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,315 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,155 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,351 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,593 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,933 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,816 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,497 |
| Regions of Italy | 0 | - | 4.92 | 75,828 |
| History of Italy | 0 | - | 4.55 | 31,968 |
| Byzantine History | 0 | - | 4.91 | 28,851 |
| Byzantine Emperors | 0 | - | 4.92 | 13,963 |
| Countries Bordering France | 0 | - | 4.83 | 402,431 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,297 |
| Italy Country Quiz | 0 | - | 4.82 | 123,367 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,308 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,540 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,784 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,646 |
| Europe Map Quiz | 0 | - | 5.00 | 4,761,464 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,479 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,762 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,294 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,855 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,161 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,944 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,571 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,454 |
| Counties of Ireland | 0 | - | 4.92 | 195,137 |
| Roman History by Picture | 0 | - | 4.46 | 26,460 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,912 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,247 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,611 |
| British History A-Z #1 | 0 | - | 4.45 | 46,475 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,654 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,571 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,624 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,808 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,073 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,167 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,357 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,015 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,339 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,859 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,555 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,306 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,911 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,509 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,359 |
| English Royal Consorts | 0 | - | 4.37 | 37,345 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,135 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,359 |
| German History A-Z | 0 | - | 4.49 | 24,601 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,985 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,908 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,829 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,157 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,137 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,952 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,988 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,933 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,336 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,271 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,163 |
| The Only European Country ... | 0 | - | 4.91 | 216,500 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,052 |
| History of Russia Quiz | 0 | - | 4.47 | 31,913 |
| Ancient Greek Words | 0 | - | 4.93 | 111,544 |
| Italian History A-Z | 0 | - | 4.21 | 17,699 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,596 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,651 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,219 |
| Counties of England | 0 | - | 4.97 | 796,300 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,854 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,832 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,674 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,623 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,164 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,601 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,117 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,408 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,545 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,227 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,151 |
| Slavic Countries | 0 | - | 4.96 | 111,616 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 74,093 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,133 |
| Geography of Rome | 0 | - | 4.51 | 16,664 |
| Rome City Trivia | 0 | - | 4.49 | 20,666 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,829 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,746 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,498 |
| Champions League Winners | 0 | - | 4.92 | 1,006,179 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,811 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,076 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,957 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,811 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,470 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,239 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,704 |
| Monarchies of Europe | 0 | - | 4.90 | 98,103 |
| European Countries with One Border | 0 | - | 4.97 | 182,724 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,522 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,132 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,739 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,387 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,043 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,804 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,641 |
| Russia Country Quiz | 0 | - | 4.85 | 114,438 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,035 |
| Countries That Border Russia | 0 | - | 4.98 | 461,608 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,318 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,864 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,330 |
| History of Austria | 0 | - | 4.70 | 17,859 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,670 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,364 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,696 |
| Departments of France | 0 | - | 4.93 | 54,053 |
| Geography of the French Empire | 0 | - | 4.45 | 27,055 |
| The French Revolution | 0 | - | 4.46 | 23,927 |
| History of France | 0 | - | 4.59 | 56,946 |
| French History A-Z | 0 | - | 4.27 | 24,620 |
| Germany Country Quiz | 0 | - | 4.82 | 157,795 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,752 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,291 |
| States of Germany | 0 | - | 4.96 | 152,416 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,002 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,990 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,100 |
| Serie A Champions | 0 | - | 4.29 | 58,247 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,113 |
| The Vikings! | 0 | - | 4.46 | 28,341 |
| The Portuguese Empire | 0 | - | 4.58 | 12,062 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,896 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,904 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,609 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,176 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,968 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,529 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,345 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,438 |
| Geography of the British Empire | 0 | - | 4.48 | 39,665 |
| Animals in British History | 0 | - | 4.43 | 25,999 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,438 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,691 |
| England or Wales? | 0 | - | 4.94 | 45,670 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,266 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,696,352 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,740 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,095 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,364 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,421 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,006 |
| Countries that Border Poland | 0 | - | 4.99 | 172,235 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,828 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,713 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,197 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,370 |
| Countries that Beat France | 0 | - | 4.49 | 75,796 |
| France True or False? | 0 | - | 4.44 | 39,929 |
| French History Multiple Choice | 0 | - | 4.55 | 33,030 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,788 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,946 |
| Roman to Greek God | 0 | - | 4.52 | 122,790 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,938 |
| History of The Netherlands | 0 | - | 4.46 | 17,429 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,344 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,890 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,364 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,075 |
| Finland Country Quiz | 0 | - | 4.50 | 59,649 |
| Norway Country Quiz | 0 | - | 4.44 | 77,308 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,148 |
| Spanish History A-Z | 0 | - | 4.37 | 19,288 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,415 |
| Arthurian Legend | 0 | - | 4.33 | 25,108 |
| British Monopoly Board | 0 | - | 4.52 | 41,163 |
