| WWII Geography | 0 | - | 4.81 | 120,446 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,173 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,616 |
| Countries in World War I | 0 | - | 4.88 | 228,286 |
| Countries in World War II | 0 | - | 4.54 | 913,604 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 85,995 |
| Important Cities in WWII | 0 | - | 4.42 | 93,530 |
| WWII Decoder | 0 | - | 4.41 | 53,603 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,475 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,873 |
| Cities Bombed During WWII | 0 | - | 4.08 | 30,176 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 30,049 |
| Battle to Country | 0 | - | 4.91 | 53,422 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,991 |
| WWII for Dummies | 0 | - | 4.78 | 105,042 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,898 |
| Name the English Monarchs | 0 | - | 4.91 | 503,251 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,808 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,752 |
| Countries with NO Military | 0 | - | 4.97 | 62,461 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,059 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,707 |
| The American Civil War | 0 | - | 4.62 | 52,451 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 339,686 |
| Communist Countries in History | 0 | - | 4.63 | 496,067 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,530 |
| Military History Vocabulary | 0 | - | 4.91 | 67,206 |
| Star Wars Quotes | 0 | - | 4.86 | 184,684 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,229 |
| Countries that Have Won the Most Battles | 0 | - | 4.02 | 39,613 |
| All Disney Animated Movies | 0 | - | 4.78 | 449,842 |
| The Trojan War | 0 | - | 4.83 | 39,760 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,990 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,584 |
| Roman Emperors | 0 | - | 4.95 | 120,189 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,816 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,711 |
| Guess These Badly Described Films | 0 | - | 4.85 | 164,751 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 364,026 |
| Disney Animated Movie Trivia | 0 | - | 4.55 | 75,221 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,980 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,147 |
| English Royal Consorts | 0 | - | 4.38 | 37,388 |
| Kings of France Quiz | 0 | - | 4.20 | 32,767 |
| Movies by Year, 1990–2009 | 0 | - | 4.21 | 66,725 |
| Pixar Movies Quiz | 0 | - | 4.87 | 434,327 |
| Mulan - "I'll Make A Man Out Of You" Lyrics | 0 | - | 4.61 | 39,340 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,143 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,463 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,231 |
| Monster Movies | 0 | - | 4.53 | 31,338 |
| Sci-Fi Movie Quotes | 0 | - | 4.32 | 37,076 |
| Disney's "The Little Mermaid" | 0 | - | 4.41 | 13,841 |
| Disney Heroines | 0 | - | 4.16 | 52,610 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 61,185 |
| "A Whole New World" Lyrics | 0 | - | 4.31 | 67,599 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,343 |
| History of The Netherlands | 0 | - | 4.46 | 17,449 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,779 |
| Countries by Founding Story | 0 | - | 4.95 | 77,295 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,081 |
| Independence from Whom | 0 | - | 4.99 | 211,887 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,583 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,547 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,033 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,934 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,336 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,367 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,770 |
| Medieval English History | 0 | - | 4.53 | 43,545 |
| British Royal Titles | 0 | - | 4.18 | 19,958 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,513 |
| Movies by Year, 1970–1989 | 0 | - | 4.38 | 25,427 |
| Movie Posters by Description | 0 | - | 4.61 | 64,786 |
| Movie Newspaper Headlines | 0 | - | 4.42 | 36,030 |
| Science Fiction Movie Co-Stars | 0 | - | 4.12 | 9,823 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,985 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 29,220 |
| Disney's "The Lion King" | 0 | - | 4.17 | 79,921 |
| Disney's Frozen - Let It Go Lyrics | 0 | - | 4.46 | 72,942 |
| Disney Animals | 0 | - | 4.27 | 239,985 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,753 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 277,427 |
| Batman Actors Quiz | 0 | - | 4.27 | 48,088 |
| Superhero Alter Egos | 0 | - | 4.29 | 165,184 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 110,223 |
| Superhero Decoder | 0 | - | 4.36 | 54,774 |
| Marvel Superheroes | 0 | - | 4.37 | 297,714 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 116,567 |
| Avengers Team Members | 0 | - | 4.07 | 77,860 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 114,032 |
| X-Men Mutants | 0 | - | 4.06 | 47,380 |
| The Spiderman Quiz | 0 | - | 4.31 | 73,114 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,009 |
| Former Flags | 0 | - | 4.97 | 107,833 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,059 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,481 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,072 |
| Russian History A-Z | 0 | - | 4.38 | 31,782 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,159 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,101 |
| Historic Orient Express Routes Map | 0 | - | 5.00 | 53,538 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,334 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,755 |
| Recently Independent Countries | 0 | - | 4.98 | 159,361 |
| Former Capitals | 0 | - | 4.88 | 71,488 |
| WWII First Names | 0 | - | 4.44 | 41,813 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,537 |
| Historical City to Country | 0 | - | 4.84 | 78,587 |
| Countries by Former Name | 0 | - | 4.99 | 125,218 |
| Cities by Former Name | 0 | - | 4.83 | 91,624 |
| People on Money - United States | 0 | - | 4.31 | 63,355 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,082 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,767 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,959 |
| Roman Names for Places | 0 | - | 4.62 | 58,336 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,683 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,278 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,177 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,983 |
| French History Multiple Choice | 0 | - | 4.55 | 33,080 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,873 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,331 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,499 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 24,976 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,067 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,384 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,544 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,489 |
| Countries of the World in 1882 with a Map | 0 | - | 4.89 | 44,584 |
| British History A-Z #1 | 0 | - | 4.45 | 46,535 |
| History of Scotland | 0 | - | 4.51 | 21,104 |
| French History A-Z | 0 | - | 4.27 | 24,698 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,686 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,714 |
| Coldest World Capitals | 0 | - | 4.95 | 133,596 |
| World Currency Quiz | 0 | - | 4.92 | 303,547 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,688 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,657 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,714 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,630 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,839 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,982 |
| NATO Countries | 0 | - | 4.98 | 280,890 |
| EU Countries Quiz | 0 | - | 4.99 | 274,814 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,859 |
| 7 Deadly Sins | 0 | - | 4.88 | 400,818 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,405 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,348 |
| Books of the Protestant Bible | 0 | - | 4.84 | 210,394 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,881 |
| Buddhist Countries | 0 | - | 4.96 | 144,464 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,098,224 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,998 |
| MCU Infinity Stones | 0 | - | 4.19 | 20,404 |
| Movies by Plot Hole | 0 | - | 4.34 | 66,709 |
| Movies General Knowledge #1 | 0 | - | 4.06 | 50,068 |
| Justice League Team - Movie Edition | 0 | - | 4.27 | 11,336 |
| Movie Sequels | 0 | - | 4.20 | 83,208 |
| Movie Series by Partial Titles | 0 | - | 4.33 | 76,193 |
| Movies by Spoiler | 0 | - | 4.09 | 51,947 |
| Movies Based on a True Story #1 | 0 | - | 4.19 | 43,432 |
| Biopics Quiz | 0 | - | 4.13 | 41,625 |
| Movies Based on a True Story #2 | 0 | - | 4.31 | 40,001 |
| Major Hollywood Film Studios | 0 | - | 4.44 | 29,543 |
| Highest Grossing Movies - Inflation Adjusted | 0 | - | 4.48 | 84,800 |
| Highest Grossing Movies | 0 | - | 4.48 | 124,127 |
| Movies that have Won the Most Oscars | 0 | - | 4.49 | 59,299 |
| Every Oscar-Nominated Actress | 0 | - | 4.44 | 73,206 |
| Oscar Best Pictures | 0 | - | 4.52 | 310,975 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,844 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,071 |
| Guardians of the Galaxy | 0 | - | 4.15 | 10,248 |
| Star Wars Characters by Screen Time | 0 | - | 4.39 | 111,500 |
| Disney's Frozen Quiz | 0 | - | 4.39 | 23,531 |
| Horror Movie Villains | 0 | - | 4.22 | 87,755 |
| Movies by Opening Scene | 0 | - | 4.42 | 103,129 |
| Famous Movie Scenes #2 | 0 | - | 4.48 | 62,689 |
| Top 50 Comic Book Heroes | 0 | - | 3.95 | 75,734 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,761 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,766 |
| Superman Facts | 0 | - | 4.27 | 28,350 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,170 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,956 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,770 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,960 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,306 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,381 |
| Names of Generations | 0 | - | 4.09 | 45,037 |
| U.S. History Timeline Quiz | 0 | - | 4.96 | 56,824 |
| The Vietnam War | 0 | - | 4.44 | 35,549 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,188 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,509 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,836 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,541 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 82,617 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,848 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,149 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,998 |
| Animals in British History | 0 | - | 4.43 | 26,023 |
