| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,568 |
| Roman Emperors | 0 | - | 4.95 | 120,165 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,927 |
| Name that Greek Letter | 0 | - | 4.93 | 323,870 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,761 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,953 |
| Roman Names for Places | 0 | - | 4.62 | 58,324 |
| The Trojan War | 0 | - | 4.83 | 39,752 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,963 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,149 |
| Name the English Monarchs | 0 | - | 4.91 | 503,135 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,187 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,095 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,901 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,139 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,385 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,183 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,736 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,679 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,540 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,081 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,167 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,359 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,498 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 82,431 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,796 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,108 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,971 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,508 |
| Regions of Italy | 0 | - | 4.92 | 76,001 |
| History of Italy | 0 | - | 4.55 | 31,999 |
| Byzantine History | 0 | - | 4.91 | 28,882 |
| Byzantine Emperors | 0 | - | 4.92 | 14,236 |
| Countries Bordering France | 0 | - | 4.83 | 402,738 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,594 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,475 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,562 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,812 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,701 |
| Europe Map Quiz | 0 | - | 5.00 | 4,765,416 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,516 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,798 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,363 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,896 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,210 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,971 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,925 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,493 |
| Counties of Ireland | 0 | - | 4.92 | 195,510 |
| Roman History by Picture | 0 | - | 4.46 | 26,473 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,107 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,337 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,959 |
| British History A-Z #1 | 0 | - | 4.45 | 46,520 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,707 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,653 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,704 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,887 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,418 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,256 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,533 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,079 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,357 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,136 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,627 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,393 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,984 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,603 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,502 |
| English Royal Consorts | 0 | - | 4.38 | 37,382 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,729 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,632 |
| German History A-Z | 0 | - | 4.49 | 24,627 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,026 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,930 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,916 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,187 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,173 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,979 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,284 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,197 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,245,406 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,322 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,372 |
| The Only European Country ... | 0 | - | 4.91 | 216,873 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,280 |
| History of Russia Quiz | 0 | - | 4.47 | 31,931 |
| Ancient Greek Words | 0 | - | 4.93 | 111,704 |
| Italian History A-Z | 0 | - | 4.21 | 17,721 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,616 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,677 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,255 |
| Counties of England | 0 | - | 4.97 | 797,559 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,898 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,853 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,496 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,741 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,265 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,908 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,219 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,736 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,163 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,371 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,267 |
| Slavic Countries | 0 | - | 4.96 | 111,729 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,336 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,153 |
| Geography of Rome | 0 | - | 4.51 | 16,671 |
| Rome City Trivia | 0 | - | 4.49 | 20,679 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 102,979 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,764 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,510 |
| Champions League Winners | 0 | - | 4.92 | 1,007,560 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,930 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,192 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,091 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,919 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,639 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,446 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,828 |
| Monarchies of Europe | 0 | - | 4.90 | 98,201 |
| European Countries with One Border | 0 | - | 4.97 | 182,885 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,677 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,467 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,026 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,704 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,257 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,346 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,813 |
| Russia Country Quiz | 0 | - | 4.83 | 114,550 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,521 |
| Countries That Border Russia | 0 | - | 4.98 | 461,955 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,388 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,951 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,364 |
| History of Austria | 0 | - | 4.70 | 17,870 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,710 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,541 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,859 |
| Departments of France | 0 | - | 4.93 | 54,227 |
| Geography of the French Empire | 0 | - | 4.45 | 27,104 |
| The French Revolution | 0 | - | 4.47 | 23,999 |
| History of France | 0 | - | 4.59 | 57,082 |
| French History A-Z | 0 | - | 4.27 | 24,677 |
| Germany Country Quiz | 0 | - | 4.83 | 157,957 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,913 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,422 |
| States of Germany | 0 | - | 4.95 | 152,778 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,121 |
| Italy Country Quiz | 0 | - | 4.80 | 123,462 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,129 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,114 |
| Serie A Champions | 0 | - | 4.29 | 58,316 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,253 |
| The Vikings! | 0 | - | 4.46 | 28,353 |
| The Portuguese Empire | 0 | - | 4.58 | 12,071 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,987 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,085 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,741 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,257 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,046 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,729 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,365 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,551 |
| Geography of the British Empire | 0 | - | 4.48 | 39,702 |
| Animals in British History | 0 | - | 4.43 | 26,022 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,451 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,714 |
| England or Wales? | 0 | - | 4.94 | 45,728 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,513 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,701,685 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,878 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,130 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,424 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,511 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,153 |
| Countries that Border Poland | 0 | - | 4.99 | 172,346 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,888 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,082 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,272 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,469 |
| Countries that Beat France | 0 | - | 4.49 | 75,908 |
| France True or False? | 0 | - | 4.44 | 39,952 |
| French History Multiple Choice | 0 | - | 4.55 | 33,072 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,819 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,000 |
| Roman to Greek God | 0 | - | 4.52 | 122,905 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,950 |
| History of The Netherlands | 0 | - | 4.46 | 17,444 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,373 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,943 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,385 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,099 |
| Finland Country Quiz | 0 | - | 4.50 | 59,702 |
| Norway Country Quiz | 0 | - | 4.44 | 77,396 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,182 |
| Spanish History A-Z | 0 | - | 4.37 | 19,308 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,459 |
| Arthurian Legend | 0 | - | 4.33 | 25,121 |
| British Monopoly Board | 0 | - | 4.52 | 41,181 |
