| Letters of the Greek Alphabet | 0 | - | 4.97 | 609,552 |
| Name that Greek Letter | 0 | - | 4.94 | 308,530 |
| Ancient Greek Words | 0 | - | 4.92 | 104,139 |
| The Trojan War | 0 | - | 4.81 | 37,398 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.86 | 101,045 |
| Famous Ancient Romans | 0 | - | 4.68 | 82,374 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.57 | 60,924 |
| Olympian Gods Quiz | 0 | - | 4.96 | 469,069 |
| Figures from Greek Mythology | 0 | - | 4.92 | 174,711 |
| Roman History Vocabulary | 0 | - | 4.43 | 56,333 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 141,003 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 68,845 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 55,913 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 64,233 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 98,109 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 28,878 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 47,821 |
| The Life of Julius Caesar | 0 | - | 4.47 | 32,902 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,097 |
| British History A-Z | 0 | - | 4.42 | 41,566 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 57,714 |
| Europe Map Quiz | 0 | - | 5.00 | 4,504,159 |
| Roman History by Picture | 0 | - | 4.46 | 25,392 |
| English Monarchs Quiz | 0 | - | 4.90 | 470,540 |
| Prime Ministers of the UK | 0 | - | 4.95 | 406,741 |
| 2025–2026 Football League Teams | 0 | - | 4.92 | 372,859 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 405,504 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 55,912 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 42,837 |
| Ancient Greek Trivia | 0 | - | 4.55 | 64,969 |
| Ancient Greek Inventions | 0 | - | 4.17 | 15,859 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 74,387 |
| Roman Emperors | 0 | - | 4.96 | 107,886 |
| Countries Closest to Iceland | 0 | - | 4.88 | 67,565 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 93,977 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 348,249 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 40,058 |
| Roman to Greek God | 0 | - | 4.51 | 117,782 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 36,074 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.92 | 49,111 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.93 | 127,360 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,320 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,116,216 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,253,311 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,191 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,260 |
| The Only European Country ... | 0 | - | 4.92 | 194,244 |
| Country Quiz on a Map - Germany | 0 | - | 4.93 | 30,674 |
| Mythology A-Z | 0 | - | 4.30 | 35,379 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 414,931 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,355 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,953 |
| Counties of England | 0 | - | 4.97 | 738,405 |
| Invasions of Great Britain | 0 | - | 4.50 | 57,427 |
| British History Quiz for Dummies | 0 | - | 4.55 | 64,570 |
| The Reign of Queen Elizabeth II | 0 | - | 4.35 | 34,688 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,455 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,156 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 88,922 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 199,973 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 128,378 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 81,864 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,318 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 296,414 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 140,573 |
| Pixelated Europe Map | 0 | - | 4.88 | 114,855 |
| Monarchies of Europe | 0 | - | 4.89 | 92,131 |
| European Countries with One Border | 0 | - | 4.97 | 173,456 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 151,142 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 80,980 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 120,340 |
| Slavic Countries | 0 | - | 4.96 | 105,164 |
| Federal Subjects of Russia | 0 | - | 4.93 | 126,883 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 118,670 |
| Regions of France Map Quiz | 0 | - | 4.96 | 134,252 |
| States of Germany Map Quiz | 0 | - | 4.90 | 125,687 |
| States of Germany | 0 | - | 4.94 | 135,347 |
| Germany Immigration by Country | 0 | - | 4.86 | 74,561 |
| German History A-Z | 0 | - | 4.21 | 13,872 |
| Ancient Greece A-Z | 0 | - | 4.61 | 21,870 |
| The Life of Alexander the Great | 0 | - | 4.49 | 17,891 |
| Geography of Ancient Greece | 0 | - | 4.75 | 30,832 |
| Things with Names from Classical Mythology | 0 | - | 4.27 | 84,335 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.52 | 53,436 |
| Counties of Ireland | 0 | - | 4.88 | 172,987 |
| Regions of Italy | 0 | - | 4.90 | 66,334 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 34,419 |
| Regions of Spain Quiz | 0 | - | 4.89 | 102,956 |
| Cantons of Switzerland | 0 | - | 4.97 | 44,400 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 88,186 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 22,742 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.96 | 303,135 |
| Champions League Winners | 0 | - | 4.92 | 934,864 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 99,280 |
| Top 10 Coldest European Countries | 0 | - | 4.93 | 186,512 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 120,590 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 214,333 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 260,455 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 153,242 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 201,530 |
| Name a Valid European Country #2 | 0 | - | 4.92 | 90,125 |
| Russia Country Quiz | 0 | - | 4.84 | 108,437 |
| History of Russia Quiz | 0 | - | 4.47 | 30,921 |
| Countries That Border Russia | 0 | - | 4.98 | 441,802 |
| Croatia Country Quiz | 0 | - | 4.81 | 40,198 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.84 | 32,926 |
| History of Austria | 0 | - | 4.69 | 17,019 |
| France Cities Map Quiz | 0 | - | 4.95 | 155,922 |
| Departments of France | 0 | - | 4.88 | 42,587 |
| Geography of the French Empire | 0 | - | 4.51 | 26,068 |
| The French Revolution | 0 | - | 4.45 | 22,668 |
| Countries Bordering France | 0 | - | 4.87 | 370,899 |
| History of France Quiz | 0 | - | 4.56 | 41,375 |
| Germany Country Quiz | 0 | - | 4.82 | 148,098 |
| Germany Cities Map Quiz | 0 | - | 4.83 | 111,723 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,666 |
| Countries Bordering Germany | 0 | - | 4.99 | 353,151 |
| Greece Country Quiz | 0 | - | 4.70 | 62,799 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,063 |
| Italy Country Quiz | 0 | - | 4.83 | 115,629 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 140,778 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 144,143 |
| History of Italy | 0 | - | 4.50 | 30,862 |
| Countries Italy Declared War On | 0 | - | 4.75 | 41,484 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,898 |
| Byzantine History | 0 | - | 4.87 | 27,343 |
| The Vikings! | 0 | - | 4.45 | 27,683 |
| The Portuguese Empire | 0 | - | 4.54 | 11,635 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 90,741 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 176,651 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 108,053 |
| Wives of King Henry VIII | 0 | - | 4.54 | 52,278 |
| Countries the UK Declared War On | 0 | - | 4.56 | 116,852 |
| Geography of the British Empire | 0 | - | 4.51 | 38,209 |
| Medieval English History | 0 | - | 4.53 | 42,061 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,292 |
| England or Wales? | 0 | - | 4.94 | 42,623 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 118,069 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,390,167 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 165,185 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.70 | 11,177 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 68,552 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 132,893 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 60,408 |
| Category Elimination - European Countries #1 | 0 | - | 4.88 | 81,845 |
| Countries that Border Poland | 0 | - | 4.99 | 164,672 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 79,230 |
| Countries that Beat Russia | 0 | - | 4.83 | 75,364 |
| Countries With the Most Russian Speakers | 0 | - | 4.96 | 61,359 |
| Countries that Border Hungary | 0 | - | 4.98 | 100,012 |
| Moldova Country Quiz | 0 | - | 4.87 | 28,916 |
| Countries Bordering Serbia | 0 | - | 4.96 | 87,238 |
| French Geography Quiz #1 | 0 | - | 4.87 | 32,753 |
| Andorra Country Quiz | 0 | - | 4.88 | 29,578 |
| Countries Bordering Austria | 0 | - | 4.97 | 113,629 |
| Countries that Visit France the Most | 0 | - | 4.83 | 42,290 |
| Countries Closest to Metropolitan France | 0 | - | 4.88 | 68,969 |
| France True or False? | 0 | - | 4.42 | 38,585 |
| Germany A-Z | 0 | - | 4.56 | 60,043 |
| Countries that Beat Germany | 0 | - | 4.95 | 96,576 |
| Countries With the Most German Speakers | 0 | - | 4.85 | 57,525 |
| History of Germany | 0 | - | 4.38 | 51,164 |
| Countries that Beat Greece | 0 | - | 4.51 | 46,153 |
| Italy A-Z | 0 | - | 4.47 | 42,210 |
| Countries Bordering Italy | 0 | - | 4.94 | 97,314 |
| Countries that Beat Italy | 0 | - | 4.85 | 50,095 |
| Countries Closest to Italy | 0 | - | 4.97 | 187,678 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 36,626 |
| Geography of the Roman Empire | 0 | - | 4.56 | 49,991 |
| Roman Names for Places | 0 | - | 4.65 | 44,110 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.20 | 77,859 |
| History of The Netherlands | 0 | - | 4.44 | 16,427 |
| Greenland Country Quiz | 0 | - | 4.83 | 34,137 |
| Most-Visited Countries by Swedes | 0 | - | 4.68 | 51,832 |
| Countries that Beat Iceland | 0 | - | 4.80 | 39,739 |
| Countries that Beat Portugal | 0 | - | 4.87 | 54,428 |
| Countries Closest to Spain | 0 | - | 4.95 | 215,357 |
| Countries that Beat Spain | 0 | - | 4.95 | 59,450 |
| Arthurian Legend | 0 | - | 4.32 | 24,636 |
| British Geography Quiz #1 | 0 | - | 4.51 | 46,858 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 116,315 |
| Monty Python Quotes | 0 | - | 4.88 | 41,271 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 58,797 |
| Roald Dahl Books | 0 | - | 4.44 | 33,308 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.58 | 33,151 |
| Middle Earth Geography | 0 | - | 4.56 | 38,288 |
| Lord of the Rings Trivia | 0 | - | 4.52 | 77,849 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 44,294 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 45,246 |
| A Quiz About The Beatles | 0 | - | 4.55 | 45,223 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,133 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 19,533 |
| Houses of British Monarchs | 0 | - | 4.53 | 62,880 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.33 | 57,588 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 53,151 |
| World Capitals Closest to London | 0 | - | 4.91 | 97,250 |
| 50 Busiest Air Routes from London | 0 | - | 4.89 | 91,315 |
| England's Most Successful Football Clubs | 0 | - | 4.42 | 168,061 |
| English Cities With Multiple Football Teams | 0 | - | 4.43 | 64,566 |
| Teams that Beat England in Football | 0 | - | 4.65 | 76,835 |
