| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,673 |
| Name that Greek Letter | 0 | - | 4.93 | 322,932 |
| Ancient Greek Words | 0 | - | 4.93 | 111,262 |
| The Trojan War | 0 | - | 4.83 | 39,625 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,435 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,363 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,401 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,260 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,273 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,851 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,778 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,050 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,195 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,636 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,536 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,709 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,361 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,964 |
| British History A-Z #1 | 0 | - | 4.45 | 46,368 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,554 |
| Europe Map Quiz | 0 | - | 5.00 | 4,752,625 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,555 |
| Roman History by Picture | 0 | - | 4.46 | 26,425 |
| Name the English Monarchs | 0 | - | 4.91 | 501,056 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,398 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,951 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,206 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,367 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,004 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,868 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,912 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,328 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,866 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,379 |
| Roman Emperors | 0 | - | 4.95 | 119,570 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,323 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,305 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,754 |
| German History A-Z | 0 | - | 4.49 | 24,557 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,591 |
| Roman to Greek God | 0 | - | 4.52 | 122,605 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,051 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,628 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,104 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,231 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,406 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,343 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,488 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,350 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,658 |
| The Only European Country ... | 0 | - | 4.91 | 215,756 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,618 |
| History of Russia Quiz | 0 | - | 4.49 | 31,871 |
| Mythology A-Z | 0 | - | 4.31 | 37,153 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,743 |
| History of Italy | 0 | - | 4.55 | 31,927 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,818 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,601 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,149 |
| Counties of England | 0 | - | 4.97 | 794,101 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,777 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,562 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,425 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,796 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,761 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,341 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,887 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,611 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,931 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,161 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,921 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,793 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,810 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,155 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,419 |
| Monarchies of Europe | 0 | - | 4.90 | 97,870 |
| European Countries with One Border | 0 | - | 4.97 | 182,399 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,231 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,632 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,906 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,646 |
| Slavic Countries | 0 | - | 4.96 | 111,410 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,024 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,661 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,030 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,458 |
| States of Germany | 0 | - | 4.96 | 151,663 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,811 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,108 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,469 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,639 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,485 |
| Regions of Italy | 0 | - | 4.92 | 75,457 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,618 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,527 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,934 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,487 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,406 |
| Champions League Winners | 0 | - | 4.92 | 1,002,980 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,531 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,798 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,699 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,371 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,113 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,501 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,602 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,204 |
| Russia Country Quiz | 0 | - | 4.85 | 114,197 |
| Countries That Border Russia | 0 | - | 4.98 | 460,881 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,194 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,266 |
| History of Austria | 0 | - | 4.70 | 17,826 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,311 |
| Departments of France | 0 | - | 4.93 | 53,655 |
| Geography of the French Empire | 0 | - | 4.45 | 27,016 |
| The French Revolution | 0 | - | 4.46 | 23,889 |
| Countries Bordering France | 0 | - | 4.83 | 401,668 |
| History of France | 0 | - | 4.59 | 56,764 |
| Germany Country Quiz | 0 | - | 4.82 | 157,460 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,805 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,453 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,441 |
| Greece Country Quiz | 0 | - | 4.74 | 66,090 |
| Italy Country Quiz | 0 | - | 4.82 | 122,974 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,016 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,716 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,228 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,499 |
| Byzantine History | 0 | - | 4.91 | 28,742 |
| The Vikings! | 0 | - | 4.46 | 28,309 |
| The Portuguese Empire | 0 | - | 4.58 | 12,043 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,591 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,270 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,121 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,295 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,244 |
| Geography of the British Empire | 0 | - | 4.48 | 39,620 |
| Medieval English History | 0 | - | 4.53 | 43,439 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,653 |
| England or Wales? | 0 | - | 4.94 | 45,566 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,595 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,684,535 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,394 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,178 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,009 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,241 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,288 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,674 |
| Countries that Border Poland | 0 | - | 4.99 | 171,979 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,673 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,404 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,017 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,045 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,778 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,714 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,196 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,696 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,592 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,140 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,769 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,058 |
| France True or False? | 0 | - | 4.43 | 39,891 |
| Germany A-Z | 0 | - | 4.56 | 62,524 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,037 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,883 |
| History of Germany | 0 | - | 4.39 | 52,763 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,831 |
| Counties of Ireland | 0 | - | 4.92 | 194,438 |
| Italy A-Z | 0 | - | 4.49 | 58,120 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,725 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,265 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,603 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,674 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,838 |
| Roman Names for Places | 0 | - | 4.62 | 58,140 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,409 |
| History of The Netherlands | 0 | - | 4.46 | 17,397 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,042 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,081 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,500 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,749 |
| Arthurian Legend | 0 | - | 4.33 | 25,090 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,294 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,934 |
| Monty Python Quotes | 0 | - | 4.88 | 42,418 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,011 |
| Roald Dahl Books | 0 | - | 4.44 | 34,019 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,318 |
| Middle Earth Geography | 0 | - | 4.56 | 39,713 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,260 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,728 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,837 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,826 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,733 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,724 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,124 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,544 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,911 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,082 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,917 |
