| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,332 |
| Name that Greek Letter | 0 | - | 4.93 | 323,418 |
| Ancient Greek Words | 0 | - | 4.93 | 111,585 |
| The Trojan War | 0 | - | 4.83 | 39,723 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,827 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,468 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,655 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,760 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,927 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,000 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,202 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,682 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,647 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,983 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,866 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,869 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,436 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,127 |
| British History A-Z #1 | 0 | - | 4.45 | 46,480 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,662 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,475 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,600 |
| Roman History by Picture | 0 | - | 4.46 | 26,465 |
| Name the English Monarchs | 0 | - | 4.91 | 502,567 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,888 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,293 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,156 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,488 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,194 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,035 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,993 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,343 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,911 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,522 |
| Roman Emperors | 0 | - | 4.95 | 120,017 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,574 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,528 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,430 |
| German History A-Z | 0 | - | 4.49 | 24,603 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,657 |
| Roman to Greek God | 0 | - | 4.52 | 122,807 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,085 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,850 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,162 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,348 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,065 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,999 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,836 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,568 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,220 |
| The Only European Country ... | 0 | - | 4.91 | 216,581 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,100 |
| History of Russia Quiz | 0 | - | 4.47 | 31,914 |
| Mythology A-Z | 0 | - | 4.31 | 37,217 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,783 |
| History of Italy | 0 | - | 4.55 | 31,972 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,052 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,656 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,233 |
| Counties of England | 0 | - | 4.97 | 796,603 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,857 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,660 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,592 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,835 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,885 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,650 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,194 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,843 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,667 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,501 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,136 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,283 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,459 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,798 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,741 |
| Monarchies of Europe | 0 | - | 4.90 | 98,136 |
| European Countries with One Border | 0 | - | 4.97 | 182,762 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,557 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,503 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,267 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,177 |
| Slavic Countries | 0 | - | 4.96 | 111,644 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,108 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,889 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,402 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,802 |
| States of Germany | 0 | - | 4.96 | 152,533 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,023 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,139 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,499 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,763 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,625 |
| Regions of Italy | 0 | - | 4.92 | 75,853 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,142 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,926 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,186 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,988 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,442 |
| Champions League Winners | 0 | - | 4.92 | 1,006,564 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,851 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,101 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,987 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,222 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,791 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,101 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,947 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,694 |
| Russia Country Quiz | 0 | - | 4.85 | 114,468 |
| Countries That Border Russia | 0 | - | 4.98 | 461,703 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,333 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,339 |
| History of Austria | 0 | - | 4.70 | 17,861 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,682 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,728 |
| Departments of France | 0 | - | 4.93 | 54,088 |
| Geography of the French Empire | 0 | - | 4.45 | 27,057 |
| The French Revolution | 0 | - | 4.46 | 23,929 |
| Countries Bordering France | 0 | - | 4.83 | 402,512 |
| History of France | 0 | - | 4.59 | 56,968 |
| Germany Country Quiz | 0 | - | 4.82 | 157,832 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,316 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,373 |
| Greece Country Quiz | 0 | - | 4.74 | 66,245 |
| Italy Country Quiz | 0 | - | 4.82 | 123,391 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,351 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,033 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,324 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,545 |
| Byzantine History | 0 | - | 4.91 | 28,864 |
| Byzantine Emperors | 0 | - | 4.92 | 14,061 |
| The Vikings! | 0 | - | 4.46 | 28,342 |
| The Portuguese Empire | 0 | - | 4.58 | 12,064 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,919 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,640 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,579 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,349 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,461 |
| Geography of the British Empire | 0 | - | 4.48 | 39,670 |
| Medieval English History | 0 | - | 4.53 | 43,506 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,693 |
| England or Wales? | 0 | - | 4.94 | 45,683 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,324 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,698,077 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,778 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,208 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,103 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,378 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,436 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,042 |
| Countries that Border Poland | 0 | - | 4.99 | 172,263 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,838 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,774 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,790 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,215 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,870 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,801 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,385 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,765 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,309 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,866 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,174 |
| France True or False? | 0 | - | 4.44 | 39,931 |
| Germany A-Z | 0 | - | 4.56 | 62,603 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,408 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,642 |
| History of Germany | 0 | - | 4.39 | 52,817 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,960 |
| Counties of Ireland | 0 | - | 4.92 | 195,217 |
| Italy A-Z | 0 | - | 4.49 | 58,301 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,856 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,477 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,028 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,742 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,921 |
| Roman Names for Places | 0 | - | 4.62 | 58,277 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,872 |
| History of The Netherlands | 0 | - | 4.46 | 17,431 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,086 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,336 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,966 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,930 |
| Arthurian Legend | 0 | - | 4.33 | 25,109 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,344 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,670 |
| Monty Python Quotes | 0 | - | 4.88 | 42,465 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,232 |
| Roald Dahl Books | 0 | - | 4.44 | 34,052 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,370 |
| Middle Earth Geography | 0 | - | 4.56 | 39,807 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,469 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,828 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,900 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,946 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,746 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,790 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,148 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,657 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,071 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,141 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,959 |
