| Two Letter Roman Numerals | 0 | - | 4.97 | 56,073 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,355 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,744 |
| Byzantine History | 0 | - | 4.91 | 28,796 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,749 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,480 |
| Roman Emperors | 0 | - | 4.95 | 119,838 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,435 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,728 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,714 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,936 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,586 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,072 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 80,418 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,503 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,865 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,760 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,899 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,584 |
| Ancient Greek Words | 0 | - | 4.93 | 111,485 |
| Regions of Italy | 0 | - | 4.92 | 75,753 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,721 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,884 |
| Roman Names for Places | 0 | - | 4.62 | 58,239 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,693,368 |
| Italy Country Quiz | 0 | - | 4.82 | 123,310 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,236 |
| History of Italy | 0 | - | 4.55 | 31,959 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,534 |
| Roman History by Picture | 0 | - | 4.46 | 26,448 |
| Name the English Monarchs | 0 | - | 4.91 | 502,111 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,265 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,794 |
| Name that Greek Letter | 0 | - | 4.93 | 323,283 |
| Mythology A-Z | 0 | - | 4.31 | 37,200 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,821 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,906 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,423 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,889 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,455 |
| The Trojan War | 0 | - | 4.83 | 39,684 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,704 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,770 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,294 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,412 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,074 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,175 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,155 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,792 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,232 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,070 |
| The Only European Country ... | 0 | - | 4.91 | 216,336 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,964 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,769 |
| Roman to Greek God | 0 | - | 4.52 | 122,742 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,811 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,197 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 37,780 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,933 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,584 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,247 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,179 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,366 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,561 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,103 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,450 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,065 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,247 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,140 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,225 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,415 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,163 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,937 |
| Slavic Countries | 0 | - | 4.96 | 111,576 |
| History of Russia Quiz | 0 | - | 4.47 | 31,904 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,266 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,719 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,641 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,200 |
| Counties of England | 0 | - | 4.97 | 795,855 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,833 |
| Lord of the Rings Decoder | 0 | - | 4.59 | 42,589 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,604 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,319 |
| Champions League Winners | 0 | - | 4.92 | 1,005,598 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,212 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,751 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,539 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,907 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,032 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,904 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,756 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,394 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,130 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,649 |
| Monarchies of Europe | 0 | - | 4.90 | 98,051 |
| European Countries with One Border | 0 | - | 4.97 | 182,658 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,460 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,964 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,584 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,115 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,924 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,545 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,538 |
| Russia Country Quiz | 0 | - | 4.85 | 114,385 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,833 |
| Countries That Border Russia | 0 | - | 4.98 | 461,456 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,293 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,821 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,322 |
| History of Austria | 0 | - | 4.70 | 17,852 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,659 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,282 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,615 |
| Departments of France | 0 | - | 4.93 | 53,990 |
| Geography of the French Empire | 0 | - | 4.45 | 27,045 |
| The French Revolution | 0 | - | 4.46 | 23,922 |
| Countries Bordering France | 0 | - | 4.83 | 402,260 |
| History of France | 0 | - | 4.59 | 56,925 |
| Germany Country Quiz | 0 | - | 4.82 | 157,734 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,690 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,010 |
| States of Germany | 0 | - | 4.96 | 152,264 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,968 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,083 |
| Countries of the German Empire | 0 | - | 4.51 | 37,906 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,966 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,900 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,920 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,093 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,046 |
| The Vikings! | 0 | - | 4.46 | 28,335 |
| The Portuguese Empire | 0 | - | 4.58 | 12,057 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,807 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,805 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,534 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,119 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,934 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,447 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,321 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,403 |
| Geography of the British Empire | 0 | - | 4.48 | 39,651 |
| Medieval English History | 0 | - | 4.53 | 43,491 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,724 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,684 |
| England or Wales? | 0 | - | 4.94 | 45,644 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,039 |
| Countries of the Popes | 0 | - | 4.79 | 128,016 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,148 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,138 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,516 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,669 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,080 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,331 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,399 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,936 |
| Countries that Border Poland | 0 | - | 4.99 | 172,179 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,794 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,609 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,569 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,159 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,336 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,746 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,260 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,835 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,141 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,130 |
| French History Multiple Choice | 0 | - | 4.55 | 33,018 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,274 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,426 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,978 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,584 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,637 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,581 |
| Counties of Ireland | 0 | - | 4.92 | 195,006 |
| Italy A-Z | 0 | - | 4.49 | 58,234 |
| Italian History A-Z | 0 | - | 4.21 | 17,694 |
| History of The Netherlands | 0 | - | 4.46 | 17,427 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,502 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,250 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,144 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,831 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,868 |
| Arthurian Legend | 0 | - | 4.33 | 25,105 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,470 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,491 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,356 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,657 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,774 |
| British History A-Z #1 | 0 | - | 4.45 | 46,449 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,625 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,626 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,123 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,935 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,536 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,246 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,842 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,596 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,775 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 400,866 |
