| Two Letter Roman Numerals | 0 | - | 4.97 | 55,669 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,944 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,016 |
| Byzantine History | 0 | - | 4.91 | 28,651 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,628 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,118 |
| Roman Emperors | 0 | - | 4.95 | 118,629 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,064 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,877 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,210 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,475 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,085 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,544 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,576 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,222 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,126 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,331 |
| Ancient Greek Words | 0 | - | 4.92 | 110,813 |
| Regions of Italy | 0 | - | 4.92 | 74,865 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,566 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,719 |
| Roman Names for Places | 0 | - | 4.62 | 57,923 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,660,066 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,592 |
| Italy Country Quiz | 0 | - | 4.82 | 122,348 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,534 |
| History of Italy | 0 | - | 4.55 | 31,846 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,393 |
| Roman History by Picture | 0 | - | 4.46 | 26,354 |
| Name the English Monarchs | 0 | - | 4.92 | 498,568 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,075 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,719 |
| Name that Greek Letter | 0 | - | 4.94 | 321,886 |
| Mythology A-Z | 0 | - | 4.31 | 37,027 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,509 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,462 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,128 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,584 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,191 |
| The Trojan War | 0 | - | 4.83 | 39,470 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,725 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,526 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,021 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,955 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,975 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,119 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,639 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,265 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,589 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,757 |
| The Only European Country ... | 0 | - | 4.91 | 214,166 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,774 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,684 |
| Roman to Greek God | 0 | - | 4.52 | 122,300 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,437 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,752 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,192 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,342 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,461 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,203 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,881 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,917 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,817 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,408 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,617 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,566 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,109 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,370 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,879 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,502 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,386 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,308 |
| Slavic Countries | 0 | - | 4.96 | 110,961 |
| History of Russia Quiz | 0 | - | 4.49 | 31,804 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,982 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,214 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,499 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,009 |
| Counties of England | 0 | - | 4.97 | 790,080 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,593 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 42,296 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,557 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,607 |
| Champions League Winners | 0 | - | 4.92 | 997,533 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,901 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,025 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,936 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,718 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,446 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,337 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,203 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,114 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,533 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,033 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,911 |
| Monarchies of Europe | 0 | - | 4.90 | 97,423 |
| European Countries with One Border | 0 | - | 4.97 | 181,762 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,658 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,818 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,461 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,397 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,384 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,251 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,398 |
| Russia Country Quiz | 0 | - | 4.85 | 113,750 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,395 |
| Countries That Border Russia | 0 | - | 4.98 | 459,453 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,928 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,283 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,090 |
| History of Austria | 0 | - | 4.70 | 17,768 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,354 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,358 |
| Departments of France | 0 | - | 4.93 | 52,959 |
| Geography of the French Empire | 0 | - | 4.45 | 26,952 |
| The French Revolution | 0 | - | 4.46 | 23,806 |
| Countries Bordering France | 0 | - | 4.83 | 400,072 |
| History of France | 0 | - | 4.59 | 56,226 |
| Germany Country Quiz | 0 | - | 4.82 | 156,742 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,847 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,292 |
| States of Germany | 0 | - | 4.96 | 150,380 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,399 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,127 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,323 |
| Countries of the German Empire | 0 | - | 4.51 | 37,693 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,805 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,791 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,210 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,052 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,918 |
| The Vikings! | 0 | - | 4.46 | 28,255 |
| The Portuguese Empire | 0 | - | 4.54 | 12,002 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,170 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,520 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,759 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,414 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,121 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,485 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,217 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,904 |
| Geography of the British Empire | 0 | - | 4.48 | 39,515 |
| Medieval English History | 0 | - | 4.53 | 43,340 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,615 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,562 |
| England or Wales? | 0 | - | 4.94 | 45,379 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,277 |
| Countries of the Popes | 0 | - | 4.79 | 127,332 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,688 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,375 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,013 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,404 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,825 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,920 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,906 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,087 |
| Countries that Border Poland | 0 | - | 4.99 | 171,477 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,431 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,997 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,783 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,765 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,842 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,546 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,853 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,582 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,853 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,665 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,502 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,604 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,539 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,988 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,472 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,210 |
| Counties of Ireland | 0 | - | 4.92 | 193,299 |
| Italy A-Z | 0 | - | 4.49 | 57,802 |
| Italian History A-Z | 0 | - | 4.21 | 17,564 |
| History of The Netherlands | 0 | - | 4.46 | 17,331 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,926 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,754 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,048 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,479 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,527 |
| Arthurian Legend | 0 | - | 4.33 | 25,055 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,920 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,879 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,223 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,439 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,634 |
| British History A-Z #1 | 0 | - | 4.45 | 46,146 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,351 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,376 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,983 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,853 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,192 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,077 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,816 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,833 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,843 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,704 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,113 |
