| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,520 |
| Name that Greek Letter | 0 | - | 4.93 | 322,512 |
| Ancient Greek Words | 0 | - | 4.93 | 111,088 |
| The Trojan War | 0 | - | 4.83 | 39,559 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,143 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,302 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,240 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,342 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,820 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,737 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,514 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,845 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,944 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,480 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,363 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,595 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,311 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,832 |
| British History A-Z #1 | 0 | - | 4.45 | 46,295 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,482 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,394 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,522 |
| Roman History by Picture | 0 | - | 4.46 | 26,393 |
| Name the English Monarchs | 0 | - | 4.92 | 500,039 |
| Prime Ministers of the UK | 0 | - | 4.96 | 436,566 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,007 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,520 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,293 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,861 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,738 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,865 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,311 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,840 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,273 |
| Roman Emperors | 0 | - | 4.95 | 119,224 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,139 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,122 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,184 |
| German History A-Z | 0 | - | 4.49 | 24,514 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,537 |
| Roman to Greek God | 0 | - | 4.52 | 122,481 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,016 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,530 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,082 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,152 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,933 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,895 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,340 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,348 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,291 |
| The Only European Country ... | 0 | - | 4.91 | 215,086 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,289 |
| History of Russia Quiz | 0 | - | 4.49 | 31,842 |
| Mythology A-Z | 0 | - | 4.31 | 37,100 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,718 |
| History of Italy | 0 | - | 4.55 | 31,895 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,107 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,561 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,091 |
| Counties of England | 0 | - | 4.97 | 792,414 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,713 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,459 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,335 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,755 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,436 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,612 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,130 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,686 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,365 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,378 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,903 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,749 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,482 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,272 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,426 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,227 |
| Monarchies of Europe | 0 | - | 4.90 | 97,689 |
| European Countries with One Border | 0 | - | 4.97 | 182,102 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,969 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,673 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,723 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,516 |
| Slavic Countries | 0 | - | 4.96 | 111,239 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,254 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,523 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,755 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,138 |
| States of Germany | 0 | - | 4.96 | 151,038 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,417 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,077 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,452 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,322 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,390 |
| Regions of Italy | 0 | - | 4.92 | 75,189 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 46,569 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,160 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,725 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,334 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,386 |
| Champions League Winners | 0 | - | 4.92 | 1,000,571 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,301 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,623 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,475 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,733 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,695 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,062 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,642 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,876 |
| Russia Country Quiz | 0 | - | 4.85 | 114,030 |
| Countries That Border Russia | 0 | - | 4.98 | 460,295 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,080 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,189 |
| History of Austria | 0 | - | 4.70 | 17,797 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,688 |
| Departments of France | 0 | - | 4.93 | 53,291 |
| Geography of the French Empire | 0 | - | 4.45 | 26,999 |
| The French Revolution | 0 | - | 4.46 | 23,859 |
| Countries Bordering France | 0 | - | 4.83 | 401,081 |
| History of France | 0 | - | 4.59 | 56,608 |
| Germany Country Quiz | 0 | - | 4.82 | 157,162 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,539 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,984 |
| Greece Country Quiz | 0 | - | 4.74 | 65,971 |
| Italy Country Quiz | 0 | - | 4.82 | 122,658 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,806 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,443 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,139 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,433 |
| Byzantine History | 0 | - | 4.91 | 28,701 |
| The Vikings! | 0 | - | 4.46 | 28,285 |
| The Portuguese Empire | 0 | - | 4.58 | 12,027 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,391 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,025 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,839 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,262 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,085 |
| Geography of the British Empire | 0 | - | 4.48 | 39,581 |
| Medieval English History | 0 | - | 4.53 | 43,398 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,617 |
| England or Wales? | 0 | - | 4.94 | 45,486 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,225 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,673,382 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,762 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,154 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,926 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,085 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,116 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,457 |
| Countries that Border Poland | 0 | - | 4.99 | 171,769 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,556 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,236 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,498 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,924 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,722 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,658 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,054 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,630 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,530 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,022 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,697 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,973 |
| France True or False? | 0 | - | 4.43 | 39,858 |
| Germany A-Z | 0 | - | 4.56 | 62,460 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,803 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,373 |
| History of Germany | 0 | - | 4.39 | 52,722 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,756 |
| Counties of Ireland | 0 | - | 4.92 | 194,002 |
| Italy A-Z | 0 | - | 4.49 | 58,002 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,633 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,119 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,880 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,622 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,783 |
| Roman Names for Places | 0 | - | 4.62 | 58,047 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,015 |
| History of The Netherlands | 0 | - | 4.46 | 17,357 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,008 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,945 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,204 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,654 |
| Arthurian Legend | 0 | - | 4.33 | 25,075 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,247 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,464 |
| Monty Python Quotes | 0 | - | 4.88 | 42,372 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,861 |
| Roald Dahl Books | 0 | - | 4.44 | 33,977 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,265 |
| Middle Earth Geography | 0 | - | 4.56 | 39,621 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,008 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,628 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,786 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,728 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,725 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,682 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,110 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,465 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,790 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,045 |
