| Two Letter Roman Numerals | 0 | - | 4.97 | 55,556 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,062 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,180 |
| Byzantine History | 0 | - | 4.91 | 28,587 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,370 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,988 |
| Roman Emperors | 0 | - | 4.95 | 118,328 |
| Famous Ancient Romans | 0 | - | 4.69 | 84,990 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,606 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,715 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,442 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,806 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,314 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,268 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,009 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,927 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,270 |
| Ancient Greek Words | 0 | - | 4.92 | 110,568 |
| Regions of Italy | 0 | - | 4.92 | 74,609 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,515 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,647 |
| Roman Names for Places | 0 | - | 4.62 | 57,832 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,649,687 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,489 |
| Italy Country Quiz | 0 | - | 4.82 | 122,093 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,266 |
| History of Italy | 0 | - | 4.55 | 31,800 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,346 |
| Roman History by Picture | 0 | - | 4.46 | 26,330 |
| Name the English Monarchs | 0 | - | 4.92 | 497,480 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,189 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,317 |
| Name that Greek Letter | 0 | - | 4.94 | 321,461 |
| Mythology A-Z | 0 | - | 4.31 | 36,965 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,383 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,191 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,197 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,921 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,102 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,384 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,916 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,812 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,938 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,108 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 491,210 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,773 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,105 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,371 |
| The Only European Country ... | 0 | - | 4.91 | 213,553 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,357 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.80 | 20,658 |
| Roman to Greek God | 0 | - | 4.52 | 122,139 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,314 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,623 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,064 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,856 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,216 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,191 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,594 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,737 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,608 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,210 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,085 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,414 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,596 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,590 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,588 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,237 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,175 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,084 |
| Slavic Countries | 0 | - | 4.96 | 110,783 |
| History of Russia Quiz | 0 | - | 4.49 | 31,774 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,904 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,128 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,467 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,964 |
| Counties of England | 0 | - | 4.97 | 788,485 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,360 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 42,252 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,539 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,287 |
| Champions League Winners | 0 | - | 4.92 | 995,277 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,823 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,733 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,799 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,645 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,272 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,182 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,047 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,974 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,242 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,697 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,687 |
| Monarchies of Europe | 0 | - | 4.90 | 97,228 |
| European Countries with One Border | 0 | - | 4.97 | 181,491 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,998 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,274 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,011 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,134 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,941 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,378 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,062 |
| Russia Country Quiz | 0 | - | 4.85 | 113,574 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,649 |
| Countries That Border Russia | 0 | - | 4.98 | 458,616 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,799 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,113 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,004 |
| History of Austria | 0 | - | 4.70 | 17,738 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,022 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,083 |
| Departments of France | 0 | - | 4.93 | 52,692 |
| Geography of the French Empire | 0 | - | 4.48 | 26,916 |
| The French Revolution | 0 | - | 4.46 | 23,752 |
| Countries Bordering France | 0 | - | 4.85 | 397,258 |
| History of France | 0 | - | 4.59 | 55,910 |
| Germany Country Quiz | 0 | - | 4.82 | 156,421 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,573 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,072 |
| States of Germany | 0 | - | 4.96 | 149,828 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,372 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,926 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,764 |
| Countries of the German Empire | 0 | - | 4.51 | 37,625 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,743 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,756 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 150,997 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,032 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,747 |
| The Vikings! | 0 | - | 4.45 | 28,236 |
| The Portuguese Empire | 0 | - | 4.54 | 11,981 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,879 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,170 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,534 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,067 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,853 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,138 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,155 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,716 |
| Geography of the British Empire | 0 | - | 4.48 | 39,464 |
| Medieval English History | 0 | - | 4.53 | 43,295 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,584 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,393 |
| England or Wales? | 0 | - | 4.94 | 45,285 |
| Name the Popes Quiz | 0 | - | 4.47 | 136,975 |
| Countries of the Popes | 0 | - | 4.79 | 127,094 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,317 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,086 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,902 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,145 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,757 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,785 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,753 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,880 |
| Countries that Border Poland | 0 | - | 4.99 | 171,236 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,338 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,799 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,205 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,627 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,661 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,495 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,677 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,478 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,760 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,554 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,271 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,079 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,407 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,809 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,409 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,117 |
| Counties of Ireland | 0 | - | 4.92 | 192,850 |
| Italy A-Z | 0 | - | 4.49 | 57,637 |
| Italian History A-Z | 0 | - | 4.21 | 17,355 |
| History of The Netherlands | 0 | - | 4.46 | 17,299 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,767 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,609 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,004 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,157 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,407 |
| Arthurian Legend | 0 | - | 4.33 | 25,047 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,772 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,460 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,187 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 377,186 |
| British History A-Z #1 | 0 | - | 4.45 | 45,766 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,260 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,287 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,937 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,816 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,043 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.38 | 29,007 |
| The Life of Winston Churchill | 0 | - | 4.16 | 11,809 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,625 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,713 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,772 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,359 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,759 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,863 |
