| WWII Geography | 0 | - | 4.81 | 120,718 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,639 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,958 |
| Countries in World War I | 0 | - | 4.88 | 228,686 |
| Countries in World War II | 0 | - | 4.54 | 916,286 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,298 |
| Important Cities in WWII | 0 | - | 4.42 | 93,706 |
| WWII Decoder | 0 | - | 4.41 | 53,709 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 55,627 |
| World Leaders of the World Wars | 0 | - | 4.36 | 37,959 |
| Cities Bombed During WWII | 0 | - | 4.09 | 30,241 |
| Countries by Percent WWII Deaths | 0 | - | 4.07 | 30,127 |
| Battle to Country | 0 | - | 4.91 | 53,687 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 78,152 |
| WWII for Dummies | 0 | - | 4.78 | 105,336 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,456 |
| Name the English Monarchs | 0 | - | 4.91 | 504,898 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,031 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,359 |
| Countries with NO Military | 0 | - | 4.97 | 62,853 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,201 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,795 |
| The American Civil War | 0 | - | 4.62 | 52,549 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 341,651 |
| Communist Countries in History | 0 | - | 4.63 | 497,146 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,895 |
| Military History Vocabulary | 0 | - | 4.91 | 67,460 |
| Star Wars Quotes | 0 | - | 4.86 | 185,330 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,727 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,691 |
| All Disney Animated Movies | 0 | - | 4.78 | 451,169 |
| The Trojan War | 0 | - | 4.83 | 39,899 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,529 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,377 |
| Roman Emperors | 0 | - | 4.95 | 120,705 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,877 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,845 |
| Guess These Badly Described Films | 0 | - | 4.85 | 165,470 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 364,746 |
| Disney Animated Movie Trivia | 0 | - | 4.55 | 75,479 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,066 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,329 |
| English Royal Consorts | 0 | - | 4.38 | 37,459 |
| Kings of France Quiz | 0 | - | 4.20 | 32,860 |
| Movies by Year, 1990–2009 | 0 | - | 4.21 | 66,809 |
| Pixar Movies Quiz | 0 | - | 4.87 | 435,887 |
| Mulan - "I'll Make A Man Out Of You" Lyrics | 0 | - | 4.61 | 39,428 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,281 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 51,539 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,362 |
| Monster Movies | 0 | - | 4.53 | 31,370 |
| Sci-Fi Movie Quotes | 0 | - | 4.32 | 37,116 |
| Disney's "The Little Mermaid" | 0 | - | 4.41 | 13,887 |
| Disney Heroines | 0 | - | 4.16 | 52,690 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 61,416 |
| "A Whole New World" Lyrics | 0 | - | 4.32 | 67,662 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,662 |
| History of The Netherlands | 0 | - | 4.46 | 17,510 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,951 |
| Countries by Founding Story | 0 | - | 4.95 | 77,489 |
| Countries Invaded by the USSR | 0 | - | 4.29 | 94,259 |
| Independence from Whom | 0 | - | 4.99 | 212,432 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,983 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,674 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,148 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,984 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.33 | 8,347 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,519 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,817 |
| Medieval English History | 0 | - | 4.53 | 43,606 |
| British Royal Titles | 0 | - | 4.18 | 19,984 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,547 |
| Movies by Year, 1970–1989 | 0 | - | 4.38 | 25,451 |
| Movie Posters by Description | 0 | - | 4.61 | 64,983 |
| Movie Newspaper Headlines | 0 | - | 4.42 | 36,144 |
| Science Fiction Movie Co-Stars | 0 | - | 4.12 | 9,831 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 41,022 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 29,441 |
| Disney's "The Lion King" | 0 | - | 4.18 | 79,973 |
| Disney's Frozen - Let It Go Lyrics | 0 | - | 4.46 | 73,100 |
| Disney Animals | 0 | - | 4.27 | 240,352 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,956 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 277,681 |
| Batman Actors Quiz | 0 | - | 4.27 | 48,154 |
| Superhero Alter Egos | 0 | - | 4.29 | 165,379 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 110,328 |
| Superhero Decoder | 0 | - | 4.36 | 54,883 |
| Marvel Superheroes | 0 | - | 4.38 | 298,383 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 116,973 |
| Avengers Team Members | 0 | - | 4.07 | 78,058 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 114,402 |
| X-Men Mutants | 0 | - | 4.06 | 47,497 |
| The Spiderman Quiz | 0 | - | 4.31 | 73,316 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,120 |
| Former Flags | 0 | - | 4.97 | 108,166 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,483 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,118 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,619 |
| Russian History A-Z | 0 | - | 4.35 | 31,944 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,200 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,291 |
| Historic Orient Express Routes Map | 0 | - | 4.99 | 53,659 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,762 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,070 |
| Recently Independent Countries | 0 | - | 4.98 | 159,654 |
| Former Capitals | 0 | - | 4.88 | 71,581 |
| WWII First Names | 0 | - | 4.44 | 41,893 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,604 |
| Historical City to Country | 0 | - | 4.85 | 78,730 |
| Countries by Former Name | 0 | - | 4.99 | 125,507 |
| Cities by Former Name | 0 | - | 4.83 | 91,850 |
| People on Money - United States | 0 | - | 4.31 | 63,396 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,157 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,689 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,114 |
| Roman Names for Places | 0 | - | 4.62 | 58,559 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,766 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,322 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,245 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,028 |
| French History Multiple Choice | 0 | - | 4.55 | 33,160 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,218 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,544 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,693 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,128 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,175 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,546 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,618 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,811 |
| Countries of the World in 1882 with a Map | 0 | - | 4.89 | 44,861 |
| British History A-Z #1 | 0 | - | 4.45 | 46,643 |
| History of Scotland | 0 | - | 4.51 | 21,143 |
| French History A-Z | 0 | - | 4.27 | 24,831 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,871 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,264 |
| Coldest World Capitals | 0 | - | 4.95 | 134,020 |
| World Currency Quiz | 0 | - | 4.92 | 305,194 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,901 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,286 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,255 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,845 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,010 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,420 |
| NATO Countries | 0 | - | 4.98 | 282,230 |
| EU Countries Quiz | 0 | - | 4.99 | 276,395 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,667 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,242 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,162 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,748 |
| Books of the Protestant Bible | 0 | - | 4.84 | 211,159 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,367 |
| Buddhist Countries | 0 | - | 4.96 | 144,785 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,100,316 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,408 |
| MCU Infinity Stones | 0 | - | 4.19 | 20,493 |
| Movies by Plot Hole | 0 | - | 4.34 | 66,998 |
| Movies General Knowledge #1 | 0 | - | 4.06 | 50,258 |
| Justice League Team - Movie Edition | 0 | - | 4.27 | 11,354 |
| Movie Sequels | 0 | - | 4.20 | 83,459 |
| Movie Series by Partial Titles | 0 | - | 4.33 | 76,342 |
| Movies by Spoiler | 0 | - | 4.09 | 52,095 |
| Movies Based on a True Story #1 | 0 | - | 4.19 | 43,561 |
| Biopics Quiz | 0 | - | 4.13 | 41,693 |
| Movies Based on a True Story #2 | 0 | - | 4.31 | 40,111 |
| Major Hollywood Film Studios | 0 | - | 4.44 | 29,601 |
| Highest Grossing Movies - Inflation Adjusted | 0 | - | 4.48 | 84,868 |
| Highest Grossing Movies | 0 | - | 4.48 | 124,366 |
| Movies that have Won the Most Oscars | 0 | - | 4.49 | 59,458 |
| Every Oscar-Nominated Actress | 0 | - | 4.44 | 73,438 |
| Oscar Best Pictures | 0 | - | 4.52 | 311,919 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,528 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,187 |
| Guardians of the Galaxy | 0 | - | 4.15 | 10,276 |
| Star Wars Characters by Screen Time | 0 | - | 4.39 | 111,859 |
| Disney's Frozen Quiz | 0 | - | 4.39 | 23,609 |
| Horror Movie Villains | 0 | - | 4.22 | 87,941 |
| Movies by Opening Scene | 0 | - | 4.42 | 103,567 |
| Famous Movie Scenes #2 | 0 | - | 4.48 | 62,779 |
| Top 50 Comic Book Heroes | 0 | - | 3.93 | 75,793 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,791 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,877 |
| Superman Facts | 0 | - | 4.27 | 28,381 |
| Name a Valid Answer - British History | 0 | - | 4.57 | 15,205 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,243 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,285 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,230 |
| World Leaders of the Cold War | 0 | - | 4.27 | 25,380 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,730 |
| Names of Generations | 0 | - | 4.09 | 45,320 |
| U.S. History Timeline Quiz | 0 | - | 4.96 | 57,077 |
| The Vietnam War | 0 | - | 4.44 | 35,610 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,226 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,543 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,027 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,967 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,283 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,354 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,510 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,292 |
| Animals in British History | 0 | - | 4.43 | 26,058 |
