| Two Letter Roman Numerals | 0 | - | 4.97 | 56,102 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,531 |
| Byzantine History | 0 | - | 4.91 | 28,835 |
| Byzantine Emperors | 0 | - | 4.94 | 13,748 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,877 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,495 |
| Roman Emperors | 0 | - | 4.95 | 119,947 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,802 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,448 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,592 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,789 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,808 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,968 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,126 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,073 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,560 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,912 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,796 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 74,060 |
| Ancient Greek Words | 0 | - | 4.93 | 111,530 |
| Regions of Italy | 0 | - | 4.92 | 75,814 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,726 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,904 |
| Roman Names for Places | 0 | - | 4.62 | 58,259 |
| Italy Country Quiz | 0 | - | 4.82 | 123,352 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,299 |
| History of Italy | 0 | - | 4.55 | 31,962 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,538 |
| Roman History by Picture | 0 | - | 4.46 | 26,458 |
| Name the English Monarchs | 0 | - | 4.91 | 502,324 |
| Europe Map Quiz | 0 | - | 5.00 | 4,760,683 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,012 |
| Name that Greek Letter | 0 | - | 4.93 | 323,344 |
| Mythology A-Z | 0 | - | 4.31 | 37,208 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,842 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,957 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,072 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,795 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,235 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,008 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,471 |
| The Trojan War | 0 | - | 4.83 | 39,704 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,756 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,837 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,307 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,447 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,078 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,178 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,239 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,891 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,309 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,127 |
| The Only European Country ... | 0 | - | 4.91 | 216,450 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,021 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,598 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,776 |
| Roman to Greek God | 0 | - | 4.52 | 122,773 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,836 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,214 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,056 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,622 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,250 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,238 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,968 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,953 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,610 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,148 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,534 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,103 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,330 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,469 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,205 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,137 |
| Slavic Countries | 0 | - | 4.96 | 111,607 |
| History of Russia Quiz | 0 | - | 4.47 | 31,911 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,281 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,744 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,647 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,213 |
| Counties of England | 0 | - | 4.97 | 796,175 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,842 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,660 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,605 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,582 |
| Champions League Winners | 0 | - | 4.92 | 1,006,035 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,794 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,061 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,939 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,793 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,438 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,200 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,691 |
| Monarchies of Europe | 0 | - | 4.90 | 98,089 |
| European Countries with One Border | 0 | - | 4.97 | 182,704 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,503 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,082 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,680 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,288 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,992 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,730 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,607 |
| Russia Country Quiz | 0 | - | 4.85 | 114,426 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,966 |
| Countries That Border Russia | 0 | - | 4.98 | 461,567 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,313 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,848 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,329 |
| History of Austria | 0 | - | 4.70 | 17,856 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,669 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,346 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,680 |
| Departments of France | 0 | - | 4.93 | 54,036 |
| Geography of the French Empire | 0 | - | 4.45 | 27,049 |
| The French Revolution | 0 | - | 4.46 | 23,926 |
| Countries Bordering France | 0 | - | 4.83 | 402,396 |
| History of France | 0 | - | 4.59 | 56,937 |
| Germany Country Quiz | 0 | - | 4.82 | 157,778 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,750 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,178 |
| States of Germany | 0 | - | 4.96 | 152,376 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,986 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,264 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,978 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,905 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,968 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,100 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,095 |
| The Vikings! | 0 | - | 4.46 | 28,340 |
| The Portuguese Empire | 0 | - | 4.58 | 12,061 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,884 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,878 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,582 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,168 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,958 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,506 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,342 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,426 |
| Geography of the British Empire | 0 | - | 4.48 | 39,660 |
| Medieval English History | 0 | - | 4.53 | 43,497 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,689 |
| England or Wales? | 0 | - | 4.94 | 45,665 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,237 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,695,344 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,712 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,090 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,355 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,415 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,982 |
| Countries that Border Poland | 0 | - | 4.99 | 172,226 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,821 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,712 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,672 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,184 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,357 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,758 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,284 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,849 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,150 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,158 |
| French History Multiple Choice | 0 | - | 4.55 | 33,028 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,331 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,514 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,003 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,614 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,645 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,601 |
| Counties of Ireland | 0 | - | 4.92 | 195,106 |
| Italy A-Z | 0 | - | 4.49 | 58,268 |
| Italian History A-Z | 0 | - | 4.21 | 17,698 |
| History of The Netherlands | 0 | - | 4.46 | 17,428 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,540 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,289 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,150 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,873 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,904 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,501 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,580 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,712 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,778 |
| British History A-Z #1 | 0 | - | 4.45 | 46,468 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,643 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,644 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,129 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,949 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,558 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,843 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,607 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,614 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,800 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,062 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,300 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,203 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,653 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,851 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,235 |
| Russian History A-Z | 0 | - | 4.38 | 31,682 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,363 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,855 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,787 |
| Flags of Countries That Border France | 0 | - | 4.88 | 122,843 |
