| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,964 |
| Name that Greek Letter | 0 | - | 4.93 | 324,754 |
| Ancient Greek Words | 0 | - | 4.93 | 112,298 |
| The Trojan War | 0 | - | 4.83 | 39,944 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,751 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,729 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,195 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,194 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,492 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,372 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,700 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,154 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,904 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,569 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,688 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,217 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,591 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,440 |
| British History A-Z #1 | 0 | - | 4.45 | 47,156 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,025 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,260 |
| Roman History by Picture | 0 | - | 4.46 | 26,560 |
| Name the English Monarchs | 0 | - | 4.91 | 505,649 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,662 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 404,083 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,392 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,708 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,607 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,473 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,191 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,401 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,014 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,512 |
| Roman Emperors | 0 | - | 4.95 | 120,974 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,010 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,976 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,870 |
| German History A-Z | 0 | - | 4.49 | 24,873 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,802 |
| Roman to Greek God | 0 | - | 4.52 | 123,253 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,157 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,157 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,290 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,703 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 142,922 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,421 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,715 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,164 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,824 |
| The Only European Country ... | 0 | - | 4.91 | 218,521 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,240 |
| History of Russia Quiz | 0 | - | 4.47 | 31,990 |
| Mythology A-Z | 0 | - | 4.31 | 37,363 |
| History of Italy | 0 | - | 4.55 | 32,117 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,244 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,791 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,401 |
| Counties of England | 0 | - | 4.97 | 801,686 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,054 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,778 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,961 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,960 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,558 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,489 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,602 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,343 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,887 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,372 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,364 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,294 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,648 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,305 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,319 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,176 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,329 |
| Monarchies of Europe | 0 | - | 4.90 | 98,710 |
| European Countries with One Border | 0 | - | 4.97 | 183,559 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,325 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,348 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,997 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,674 |
| Slavic Countries | 0 | - | 4.96 | 112,230 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,095 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,366 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,428 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,631 |
| States of Germany | 0 | - | 4.95 | 154,136 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,585 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,219 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,559 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,997 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,926 |
| Regions of Italy | 0 | - | 4.92 | 76,789 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,689 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,109 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,638 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,416 |
| British History A-Z #2 | 0 | - | 4.24 | 11,398 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,530 |
| Champions League Winners | 0 | - | 4.92 | 1,014,072 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,689 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,640 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,287 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,576 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,550 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,980 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,683 |
| Russia Country Quiz | 0 | - | 4.83 | 115,193 |
| Countries That Border Russia | 0 | - | 4.98 | 464,075 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,655 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,520 |
| History of Austria | 0 | - | 4.70 | 17,962 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,888 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,600 |
| Departments of France | 0 | - | 4.93 | 54,921 |
| Geography of the French Empire | 0 | - | 4.45 | 27,201 |
| The French Revolution | 0 | - | 4.47 | 24,124 |
| Countries Bordering France | 0 | - | 4.83 | 404,511 |
| History of France | 0 | - | 4.61 | 57,506 |
| Germany Country Quiz | 0 | - | 4.82 | 158,645 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,951 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,548 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,473 |
| Greece Country Quiz | 0 | - | 4.74 | 66,568 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,078 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,910 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,581 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,714 |
| Byzantine History | 0 | - | 4.91 | 28,998 |
| Byzantine Emperors | 0 | - | 4.93 | 14,527 |
| The Vikings! | 0 | - | 4.46 | 28,397 |
| The Portuguese Empire | 0 | - | 4.58 | 12,096 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,365 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,676 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,538 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,442 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,148 |
| Geography of the British Empire | 0 | - | 4.48 | 39,825 |
| Medieval English History | 0 | - | 4.53 | 43,626 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,816 |
| England or Wales? | 0 | - | 4.94 | 45,911 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,755 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,376 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,312 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,720,448 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,615 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,302 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,656 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,829 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,865 |
| Countries that Border Poland | 0 | - | 4.99 | 173,015 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,181 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,443 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,439 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,923 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,003 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,988 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,957 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,026 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,872 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,095 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,409 |
| France True or False? | 0 | - | 4.44 | 40,046 |
| Germany A-Z | 0 | - | 4.56 | 62,812 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,161 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,247 |
| History of Germany | 0 | - | 4.39 | 52,957 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,434 |
| Counties of Ireland | 0 | - | 4.92 | 196,927 |
| Italy A-Z | 0 | - | 4.49 | 58,669 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,188 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,070 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,154 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 44,174 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,170 |
| Roman Names for Places | 0 | - | 4.62 | 58,635 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,594 |
| History of The Netherlands | 0 | - | 4.46 | 17,531 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,180 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,764 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,886 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,254 |
| Arthurian Legend | 0 | - | 4.33 | 25,162 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,127 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,086 |
| Monty Python Quotes | 0 | - | 4.89 | 42,585 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,635 |
| Roald Dahl Books | 0 | - | 4.45 | 34,116 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.56 | 34,465 |
| Middle Earth Geography | 0 | - | 4.56 | 39,933 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,729 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,940 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,023 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,285 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,812 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,921 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,230 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,894 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.32 | 62,496 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,283 |
