| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,085 |
| Roman Emperors | 0 | - | 4.95 | 118,563 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,293 |
| Name that Greek Letter | 0 | - | 4.94 | 321,782 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,548 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,691 |
| Roman Names for Places | 0 | - | 4.62 | 57,896 |
| The Trojan War | 0 | - | 4.83 | 39,456 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,635 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,409 |
| Name the English Monarchs | 0 | - | 4.92 | 498,239 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,118 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,966 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,483 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,397 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,752 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,648 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,950 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,454 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,918 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,604 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,992 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,019 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,485 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,497 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,175 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,076 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,426 |
| Regions of Italy | 0 | - | 4.92 | 74,796 |
| History of Italy | 0 | - | 4.55 | 31,832 |
| Byzantine History | 0 | - | 4.91 | 28,636 |
| Countries Bordering France | 0 | - | 4.83 | 399,670 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,206 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,561 |
| Italy Country Quiz | 0 | - | 4.82 | 122,294 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,460 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,382 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,319 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,177 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,173 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,531 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,826 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,562 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,836 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,729 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,470 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,047 |
| Counties of Ireland | 0 | - | 4.92 | 193,189 |
| Roman History by Picture | 0 | - | 4.46 | 26,349 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,396 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,744 |
| British History A-Z #1 | 0 | - | 4.45 | 46,003 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,348 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,154 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,784 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,813 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,424 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,638 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,439 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,501 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,293 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,093 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,893 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,717 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,496 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,888 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,404 |
| English Royal Consorts | 0 | - | 4.37 | 37,186 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,623 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,466 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,453 |
| German History A-Z | 0 | - | 4.49 | 24,334 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,791 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,776 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,374 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,040 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,972 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,844 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,257 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,128 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,818 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,465 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,674 |
| The Only European Country ... | 0 | - | 4.91 | 214,013 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,669 |
| History of Russia Quiz | 0 | - | 4.49 | 31,800 |
| Ancient Greek Words | 0 | - | 4.92 | 110,747 |
| Italian History A-Z | 0 | - | 4.21 | 17,471 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,468 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,491 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,990 |
| Counties of England | 0 | - | 4.97 | 789,685 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,539 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,690 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,283 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,752 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,351 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,484 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,515 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,977 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,087 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,324 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,243 |
| Slavic Countries | 0 | - | 4.96 | 110,907 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,552 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,994 |
| Geography of Rome | 0 | - | 4.51 | 16,627 |
| Rome City Trivia | 0 | - | 4.49 | 20,588 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,560 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,620 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,433 |
| Champions League Winners | 0 | - | 4.92 | 997,001 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,969 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,374 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,292 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,153 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,076 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,464 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,960 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,869 |
| Monarchies of Europe | 0 | - | 4.90 | 97,372 |
| European Countries with One Border | 0 | - | 4.97 | 181,699 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,603 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,687 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,367 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,321 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,280 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,026 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,324 |
| Russia Country Quiz | 0 | - | 4.85 | 113,692 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,171 |
| Countries That Border Russia | 0 | - | 4.98 | 459,068 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,883 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,252 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,063 |
| History of Austria | 0 | - | 4.70 | 17,761 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,275 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,294 |
| Departments of France | 0 | - | 4.93 | 52,894 |
| Geography of the French Empire | 0 | - | 4.48 | 26,943 |
| The French Revolution | 0 | - | 4.46 | 23,790 |
| History of France | 0 | - | 4.59 | 56,140 |
| French History A-Z | 0 | - | 4.21 | 22,673 |
| Germany Country Quiz | 0 | - | 4.82 | 156,656 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,783 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,225 |
| States of Germany | 0 | - | 4.96 | 150,216 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,390 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,076 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,150 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,047 |
| Serie A Champions | 0 | - | 4.29 | 57,752 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,875 |
| The Vikings! | 0 | - | 4.46 | 28,251 |
| The Portuguese Empire | 0 | - | 4.54 | 11,997 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,128 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,441 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,710 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,266 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,074 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,391 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,205 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,851 |
| Geography of the British Empire | 0 | - | 4.48 | 39,499 |
| Animals in British History | 0 | - | 4.44 | 25,877 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,347 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,536 |
| England or Wales? | 0 | - | 4.94 | 45,351 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,587 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,657,326 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,345 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,804 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,877 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,870 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,026 |
| Countries that Border Poland | 0 | - | 4.99 | 171,420 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,399 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,639 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,732 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,796 |
| Countries that Beat France | 0 | - | 4.49 | 75,203 |
| France True or False? | 0 | - | 4.43 | 39,793 |
| French History Multiple Choice | 0 | - | 4.55 | 32,884 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,636 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,611 |
| Roman to Greek God | 0 | - | 4.52 | 122,255 |
| Famous Italians by Picture | 0 | - | 4.05 | 21,852 |
| History of The Netherlands | 0 | - | 4.46 | 17,322 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,162 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,466 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,144 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,933 |
| Finland Country Quiz | 0 | - | 4.50 | 59,160 |
| Norway Country Quiz | 0 | - | 4.44 | 76,677 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,877 |
| Spanish History A-Z | 0 | - | 4.37 | 19,113 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,106 |
| Arthurian Legend | 0 | - | 4.33 | 25,050 |
| British Monopoly Board | 0 | - | 4.52 | 41,042 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,345 |
