| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,416 |
| Name that Greek Letter | 0 | - | 4.93 | 323,180 |
| Ancient Greek Words | 0 | - | 4.93 | 111,415 |
| The Trojan War | 0 | - | 4.83 | 39,666 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,608 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,408 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,518 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,844 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,549 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,907 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,962 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 77,988 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,357 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,765 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,669 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,780 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,404 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,031 |
| British History A-Z #1 | 0 | - | 4.45 | 46,420 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,603 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,245 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,580 |
| Roman History by Picture | 0 | - | 4.46 | 26,443 |
| Name the English Monarchs | 0 | - | 4.91 | 501,777 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,112 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,578 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,668 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,420 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,087 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,936 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,951 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,334 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,885 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,442 |
| Roman Emperors | 0 | - | 4.95 | 119,722 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,428 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,418 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,096 |
| German History A-Z | 0 | - | 4.49 | 24,582 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,619 |
| Roman to Greek God | 0 | - | 4.52 | 122,684 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,063 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,685 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,133 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,296 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,731 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,658 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,949 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,746 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,930 |
| The Only European Country ... | 0 | - | 4.91 | 216,132 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,857 |
| History of Russia Quiz | 0 | - | 4.49 | 31,888 |
| Mythology A-Z | 0 | - | 4.31 | 37,185 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,762 |
| History of Italy | 0 | - | 4.55 | 31,947 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,488 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,632 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,181 |
| Counties of England | 0 | - | 4.97 | 795,220 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,808 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,625 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,501 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,815 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,840 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,485 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,034 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,720 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,286 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,324 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,036 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,011 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,094 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,885 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,564 |
| Monarchies of Europe | 0 | - | 4.90 | 97,997 |
| European Countries with One Border | 0 | - | 4.97 | 182,568 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,387 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,063 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,073 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,805 |
| Slavic Countries | 0 | - | 4.96 | 111,529 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,574 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,771 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,228 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,609 |
| States of Germany | 0 | - | 4.96 | 152,079 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,924 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,123 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,482 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,681 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,549 |
| Regions of Italy | 0 | - | 4.92 | 75,658 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,978 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,724 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,087 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,894 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,426 |
| Champions League Winners | 0 | - | 4.92 | 1,004,609 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,663 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,983 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,842 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,766 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,446 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,799 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,234 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,438 |
| Russia Country Quiz | 0 | - | 4.85 | 114,326 |
| Countries That Border Russia | 0 | - | 4.98 | 461,254 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,262 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,309 |
| History of Austria | 0 | - | 4.70 | 17,842 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,637 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,528 |
| Departments of France | 0 | - | 4.93 | 53,889 |
| Geography of the French Empire | 0 | - | 4.45 | 27,034 |
| The French Revolution | 0 | - | 4.46 | 23,914 |
| Countries Bordering France | 0 | - | 4.83 | 402,048 |
| History of France | 0 | - | 4.59 | 56,878 |
| Germany Country Quiz | 0 | - | 4.82 | 157,657 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,953 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,464 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,721 |
| Greece Country Quiz | 0 | - | 4.74 | 66,168 |
| Italy Country Quiz | 0 | - | 4.82 | 123,264 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,179 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,858 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,271 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,527 |
| Byzantine History | 0 | - | 4.91 | 28,763 |
| The Vikings! | 0 | - | 4.46 | 28,324 |
| The Portuguese Empire | 0 | - | 4.58 | 12,053 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,722 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,437 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,308 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,314 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,342 |
| Geography of the British Empire | 0 | - | 4.48 | 39,638 |
| Medieval English History | 0 | - | 4.53 | 43,476 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,666 |
| England or Wales? | 0 | - | 4.94 | 45,623 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,982 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,690,379 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,579 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,192 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,061 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,298 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,368 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,859 |
| Countries that Border Poland | 0 | - | 4.99 | 172,116 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,751 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,502 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,391 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,124 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,818 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,757 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,287 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,733 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,220 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,807 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,109 |
| France True or False? | 0 | - | 4.44 | 39,917 |
| Germany A-Z | 0 | - | 4.56 | 62,555 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,162 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,253 |
| History of Germany | 0 | - | 4.39 | 52,788 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,891 |
| Counties of Ireland | 0 | - | 4.92 | 194,816 |
| Italy A-Z | 0 | - | 4.49 | 58,195 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,773 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,352 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,795 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,705 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,869 |
| Roman Names for Places | 0 | - | 4.62 | 58,206 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,603 |
| History of The Netherlands | 0 | - | 4.46 | 17,416 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,060 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,187 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,726 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,812 |
| Arthurian Legend | 0 | - | 4.33 | 25,100 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,324 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,304 |
| Monty Python Quotes | 0 | - | 4.88 | 42,439 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,105 |
| Roald Dahl Books | 0 | - | 4.44 | 34,043 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,349 |
| Middle Earth Geography | 0 | - | 4.56 | 39,772 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,392 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,793 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,869 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,880 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,741 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,751 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,137 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,601 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,985 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,111 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,930 |
