| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,638 |
| Name that Greek Letter | 0 | - | 4.93 | 322,551 |
| Ancient Greek Words | 0 | - | 4.93 | 111,100 |
| The Trojan War | 0 | - | 4.83 | 39,567 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,169 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,307 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,252 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,428 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,855 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,743 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,541 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,866 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,960 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,490 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,381 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,605 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,312 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,836 |
| British History A-Z #1 | 0 | - | 4.45 | 46,303 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,492 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,978 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,527 |
| Roman History by Picture | 0 | - | 4.46 | 26,396 |
| Name the English Monarchs | 0 | - | 4.92 | 500,128 |
| Prime Ministers of the UK | 0 | - | 4.96 | 436,651 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,088 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,564 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,294 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,875 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,754 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,870 |
| Ancient Greek Inventions | 0 | - | 4.17 | 16,312 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,842 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,288 |
| Roman Emperors | 0 | - | 4.95 | 119,244 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,145 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,136 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,228 |
| German History A-Z | 0 | - | 4.49 | 24,518 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,539 |
| Roman to Greek God | 0 | - | 4.52 | 122,495 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,018 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,535 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,083 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,158 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,971 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,942 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,684 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,510 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,316 |
| The Only European Country ... | 0 | - | 4.91 | 215,146 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,327 |
| History of Russia Quiz | 0 | - | 4.49 | 31,844 |
| Mythology A-Z | 0 | - | 4.31 | 37,104 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,723 |
| History of Italy | 0 | - | 4.55 | 31,898 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,155 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,567 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,092 |
| Counties of England | 0 | - | 4.97 | 792,577 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,716 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,463 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,344 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,764 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,511 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,619 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,157 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,705 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,412 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,442 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,925 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,760 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,502 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,323 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,474 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,237 |
| Monarchies of Europe | 0 | - | 4.90 | 97,702 |
| European Countries with One Border | 0 | - | 4.97 | 182,122 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,985 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,688 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,741 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,528 |
| Slavic Countries | 0 | - | 4.96 | 111,259 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,317 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,537 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,775 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,148 |
| States of Germany | 0 | - | 4.96 | 151,083 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,506 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,082 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,454 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,345 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,397 |
| Regions of Italy | 0 | - | 4.92 | 75,212 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 48,201 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,180 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,734 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,347 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,386 |
| Champions League Winners | 0 | - | 4.92 | 1,000,709 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,316 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,640 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,498 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,789 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,731 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,086 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,723 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,911 |
| Russia Country Quiz | 0 | - | 4.85 | 114,045 |
| Countries That Border Russia | 0 | - | 4.98 | 460,346 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,094 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,191 |
| History of Austria | 0 | - | 4.70 | 17,800 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,707 |
| Departments of France | 0 | - | 4.93 | 53,304 |
| Geography of the French Empire | 0 | - | 4.45 | 26,999 |
| The French Revolution | 0 | - | 4.46 | 23,862 |
| Countries Bordering France | 0 | - | 4.83 | 401,135 |
| History of France | 0 | - | 4.59 | 56,631 |
| Germany Country Quiz | 0 | - | 4.82 | 157,185 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,561 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,008 |
| Greece Country Quiz | 0 | - | 4.74 | 65,986 |
| Italy Country Quiz | 0 | - | 4.82 | 122,679 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,837 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,460 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,149 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,438 |
| Byzantine History | 0 | - | 4.91 | 28,704 |
| The Vikings! | 0 | - | 4.46 | 28,287 |
| The Portuguese Empire | 0 | - | 4.58 | 12,028 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,426 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,045 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,866 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,264 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,096 |
| Geography of the British Empire | 0 | - | 4.48 | 39,584 |
| Medieval English History | 0 | - | 4.53 | 43,403 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,619 |
| England or Wales? | 0 | - | 4.94 | 45,491 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,248 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,674,126 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,790 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,154 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,933 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,097 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,129 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,479 |
| Countries that Border Poland | 0 | - | 4.99 | 171,787 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,566 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,249 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,548 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,932 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,725 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,668 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,064 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,634 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,534 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,030 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,698 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,976 |
| France True or False? | 0 | - | 4.43 | 39,861 |
| Germany A-Z | 0 | - | 4.56 | 62,467 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,818 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,416 |
| History of Germany | 0 | - | 4.39 | 52,726 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,762 |
| Counties of Ireland | 0 | - | 4.92 | 194,038 |
| Italy A-Z | 0 | - | 4.49 | 58,017 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,635 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,124 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,903 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,630 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,789 |
| Roman Names for Places | 0 | - | 4.62 | 58,061 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,027 |
| History of The Netherlands | 0 | - | 4.46 | 17,361 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,009 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,952 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,229 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,660 |
| Arthurian Legend | 0 | - | 4.33 | 25,076 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,250 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,492 |
| Monty Python Quotes | 0 | - | 4.88 | 42,378 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,870 |
| Roald Dahl Books | 0 | - | 4.44 | 33,978 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,269 |
| Middle Earth Geography | 0 | - | 4.56 | 39,625 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,017 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,632 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,790 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,734 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,725 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,687 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,112 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,469 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 61,809 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,049 |
