| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,864 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,713 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,302 |
| Name that Greek Letter | 0 | - | 4.94 | 322,100 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,072 |
| Name the English Monarchs | 0 | - | 4.92 | 499,039 |
| Ancient Greek Words | 0 | - | 4.92 | 110,911 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,163 |
| Roman Emperors | 0 | - | 4.95 | 118,795 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,414 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,495 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,304 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,429 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,641 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,096 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,230 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,666 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,695 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,326 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,212 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,441 |
| Countries Bordering France | 0 | - | 4.83 | 400,516 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,550 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,585 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,737 |
| Roman Names for Places | 0 | - | 4.62 | 57,968 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,727 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,650 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,382 |
| Europe Map Quiz | 0 | - | 5.00 | 4,738,709 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,222 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,572 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,923 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,624 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,893 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,770 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,886 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,036 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,270 |
| Counties of Ireland | 0 | - | 4.92 | 193,593 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,560 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,636 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,945 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,082 |
| British History A-Z #1 | 0 | - | 4.45 | 46,205 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,417 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,242 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,923 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,899 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,885 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,724 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,617 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,597 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,014 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,122 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,004 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,828 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,575 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,970 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,625 |
| English Royal Consorts | 0 | - | 4.37 | 37,229 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,169 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,786 |
| German History A-Z | 0 | - | 4.49 | 24,472 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,681 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,824 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,804 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,066 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,991 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,437 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,061 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,002 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,866 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,585 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,491 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,702 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,730 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,960 |
| The Only European Country ... | 0 | - | 4.91 | 214,535 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,955 |
| History of Russia Quiz | 0 | - | 4.49 | 31,817 |
| Roman to Greek God | 0 | - | 4.52 | 122,368 |
| History of Italy | 0 | - | 4.55 | 31,862 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,524 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,033 |
| Arthurian Legend | 0 | - | 4.33 | 25,062 |
| Counties of England | 0 | - | 4.97 | 790,869 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,643 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,724 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,287 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,931 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,517 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,884 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,631 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,587 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,800 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,498 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,369 |
| Slavic Countries | 0 | - | 4.96 | 111,046 |
| Mythology A-Z | 0 | - | 4.31 | 37,058 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,692 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,265 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,429 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,641 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,443 |
| Champions League Winners | 0 | - | 4.92 | 998,536 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,115 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,516 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,418 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,299 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,194 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,645 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,184 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,018 |
| Monarchies of Europe | 0 | - | 4.90 | 97,512 |
| European Countries with One Border | 0 | - | 4.97 | 181,871 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,771 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,093 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,685 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,510 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,598 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,684 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,536 |
| Russia Country Quiz | 0 | - | 4.85 | 113,831 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,680 |
| Countries That Border Russia | 0 | - | 4.98 | 459,756 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,977 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,352 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,121 |
| History of Austria | 0 | - | 4.70 | 17,779 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,488 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,441 |
| Departments of France | 0 | - | 4.93 | 53,057 |
| Geography of the French Empire | 0 | - | 4.45 | 26,964 |
| The French Revolution | 0 | - | 4.46 | 23,831 |
| History of France | 0 | - | 4.59 | 56,371 |
| French History A-Z | 0 | - | 4.22 | 24,123 |
| Germany Country Quiz | 0 | - | 4.82 | 156,856 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,972 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,380 |
| States of Germany | 0 | - | 4.96 | 150,605 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,408 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,196 |
| Greece Country Quiz | 0 | - | 4.74 | 65,867 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,255 |
| Regions of Italy | 0 | - | 4.92 | 74,961 |
| Italy Country Quiz | 0 | - | 4.82 | 122,455 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,613 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,300 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,407 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,984 |
| The Vikings! | 0 | - | 4.46 | 28,267 |
| The Portuguese Empire | 0 | - | 4.54 | 12,008 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,250 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,760 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,846 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,523 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,187 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,578 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,236 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,974 |
| Geography of the British Empire | 0 | - | 4.48 | 39,535 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,365 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,580 |
| England or Wales? | 0 | - | 4.94 | 45,412 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,855 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,664,538 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,517 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,856 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,977 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,983 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,205 |
| Countries that Border Poland | 0 | - | 4.99 | 171,586 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,473 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,031 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,822 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,907 |
| Countries that Beat France | 0 | - | 4.49 | 75,304 |
| France True or False? | 0 | - | 4.43 | 39,824 |
| French History Multiple Choice | 0 | - | 4.55 | 32,909 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,687 |
| Italian History A-Z | 0 | - | 4.21 | 17,595 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,495 |
| Roman History by Picture | 0 | - | 4.46 | 26,369 |
| Byzantine History | 0 | - | 4.91 | 28,665 |
| History of The Netherlands | 0 | - | 4.46 | 17,344 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,203 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,540 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,180 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,973 |
| Finland Country Quiz | 0 | - | 4.50 | 59,255 |
| Norway Country Quiz | 0 | - | 4.44 | 76,826 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,923 |
| Spanish History A-Z | 0 | - | 4.37 | 19,196 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,152 |
| British Monopoly Board | 0 | - | 4.52 | 41,075 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,486 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,207 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,723 |
| Medieval English History | 0 | - | 4.53 | 43,351 |