| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,858 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,706 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,277 |
| Name that Greek Letter | 0 | - | 4.94 | 322,089 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,070 |
| Name the English Monarchs | 0 | - | 4.92 | 499,029 |
| Ancient Greek Words | 0 | - | 4.92 | 110,908 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,160 |
| Roman Emperors | 0 | - | 4.95 | 118,790 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,390 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,493 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,301 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,417 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,641 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,094 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,223 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,658 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,685 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,323 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,207 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,441 |
| Countries Bordering France | 0 | - | 4.83 | 400,497 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,540 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,585 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,736 |
| Roman Names for Places | 0 | - | 4.62 | 57,963 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,722 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,649 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,382 |
| Europe Map Quiz | 0 | - | 5.00 | 4,738,532 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,221 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,571 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,921 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,621 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,890 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,770 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,875 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,034 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,270 |
| Counties of Ireland | 0 | - | 4.92 | 193,569 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,559 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,630 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,937 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,070 |
| British History A-Z #1 | 0 | - | 4.45 | 46,203 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,417 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,240 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,920 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,896 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,870 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,722 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,611 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,595 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,010 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,120 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,002 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,826 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,572 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,968 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,623 |
| English Royal Consorts | 0 | - | 4.37 | 37,228 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,142 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,775 |
| German History A-Z | 0 | - | 4.49 | 24,472 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,680 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,823 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,803 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,063 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,991 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,435 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,060 |
| 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 | 139,569 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,476 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,574 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,695 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,955 |
| The Only European Country ... | 0 | - | 4.91 | 214,524 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,945 |
| History of Russia Quiz | 0 | - | 4.49 | 31,816 |
| Roman to Greek God | 0 | - | 4.52 | 122,363 |
| History of Italy | 0 | - | 4.55 | 31,861 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,520 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,031 |
| Arthurian Legend | 0 | - | 4.33 | 25,061 |
| Counties of England | 0 | - | 4.97 | 790,822 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,638 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,723 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,243 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,924 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,509 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,872 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,629 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,550 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,769 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,491 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,364 |
| Slavic Countries | 0 | - | 4.96 | 111,043 |
| Mythology A-Z | 0 | - | 4.31 | 37,055 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,692 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,258 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,420 |
| 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 | 998,499 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,114 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,516 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,412 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,296 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,193 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,635 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,176 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,010 |
| Monarchies of Europe | 0 | - | 4.90 | 97,505 |
| European Countries with One Border | 0 | - | 4.97 | 181,866 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,763 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,074 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,676 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,506 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,584 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,668 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,529 |
| Russia Country Quiz | 0 | - | 4.85 | 113,827 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,655 |
| Countries That Border Russia | 0 | - | 4.98 | 459,742 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,975 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,349 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,120 |
| History of Austria | 0 | - | 4.70 | 17,779 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,478 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,438 |
| Departments of France | 0 | - | 4.93 | 53,050 |
| Geography of the French Empire | 0 | - | 4.45 | 26,964 |
| The French Revolution | 0 | - | 4.46 | 23,828 |
| History of France | 0 | - | 4.59 | 56,365 |
| French History A-Z | 0 | - | 4.22 | 24,111 |
| Germany Country Quiz | 0 | - | 4.82 | 156,853 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,967 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,377 |
| States of Germany | 0 | - | 4.96 | 150,590 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,407 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,194 |
| Greece Country Quiz | 0 | - | 4.74 | 65,866 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,248 |
| Regions of Italy | 0 | - | 4.92 | 74,958 |
| Italy Country Quiz | 0 | - | 4.82 | 122,452 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,612 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,297 |
| 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 | 12,007 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,249 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,736 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,843 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,520 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,185 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,576 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,234 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,973 |
| 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 | 17,579 |
| England or Wales? | 0 | - | 4.94 | 45,412 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,849 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,664,245 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,513 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,851 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,973 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,982 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,198 |
| Countries that Border Poland | 0 | - | 4.99 | 171,581 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,472 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,022 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,816 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,906 |
| Countries that Beat France | 0 | - | 4.49 | 75,301 |
| France True or False? | 0 | - | 4.43 | 39,823 |
| French History Multiple Choice | 0 | - | 4.55 | 32,907 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,686 |
| Italian History A-Z | 0 | - | 4.21 | 17,594 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,494 |
| Roman History by Picture | 0 | - | 4.46 | 26,367 |
| Byzantine History | 0 | - | 4.91 | 28,664 |
| History of The Netherlands | 0 | - | 4.46 | 17,343 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,202 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,540 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,178 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,973 |
| Finland Country Quiz | 0 | - | 4.50 | 59,254 |
| Norway Country Quiz | 0 | - | 4.44 | 76,819 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,922 |
| Spanish History A-Z | 0 | - | 4.37 | 19,195 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,151 |
| British Monopoly Board | 0 | - | 4.52 | 41,075 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,482 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,207 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,722 |
| Medieval English History | 0 | - | 4.53 | 43,351 |
