| Highest Grossing 1960s Movies | 0 | - | 4.45 | 22,850 |
| 1960s Movie Trivia | 0 | - | 4.26 | 18,436 |
| 1970s Movie Trivia | 0 | - | 4.28 | 21,852 |
| Movies with America in the Title | 0 | - | 4.17 | 28,806 |
| Movies by Year, 1950–1969 | 0 | - | 4.48 | 22,135 |
| Highest Grossing 1970s Movies | 0 | - | 4.30 | 29,597 |
| Indiana Jones Countries Visited Map | 0 | - | 4.40 | 43,794 |
| Political Movements by Country | 0 | - | 4.46 | 72,820 |
| 2017 News Stories - Name the Country | 0 | - | 4.46 | 28,639 |
| 2018 News Stories - Name the Country | 0 | - | 4.42 | 23,942 |
| Fads of the 1960s | 0 | - | 4.00 | 11,524 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,824 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,720 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,272 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,166 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,058 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,436 |
| Countries by Founding Story | 0 | - | 4.95 | 77,904 |
| Recently Independent Countries | 0 | - | 4.98 | 160,502 |
| Independence from Whom | 0 | - | 4.99 | 213,393 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,651 |
| Historical City to Country | 0 | - | 4.85 | 79,097 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,924 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,331 |
| Countries by Former Name | 0 | - | 4.99 | 125,966 |
| Cities by Former Name | 0 | - | 4.83 | 92,173 |
| 2016 News Stories - Name the Country | 0 | - | 4.45 | 23,489 |
| Seinfeld Trivia | 0 | - | 4.57 | 35,256 |
| Main Friends Characters and Actors | 0 | - | 4.42 | 52,438 |
| Friends - Finish the Quote | 0 | - | 4.57 | 44,386 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 69,071 |
| 1960s Catchphrases | 0 | - | 4.14 | 105,146 |
| #1 Hits of the 1960s | 0 | - | 4.59 | 43,062 |
| Name a James Bond Movie A-Z | 0 | - | 4.60 | 10,513 |
| Sports Movie Quotes Quiz | 0 | - | 4.24 | 20,396 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,591 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,713 |
| Former Capitals | 0 | - | 4.88 | 71,723 |
| Names of Generations | 0 | - | 4.09 | 45,588 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,724 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,600 |
| American History Quotes #1 | 0 | - | 4.37 | 96,237 |
| American History Quotes #2 | 0 | - | 4.38 | 41,521 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,356 |
| U.S. History Timeline Quiz | 0 | - | 4.96 | 57,332 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 4.09 | 18,717 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.34 | 25,512 |
| MLB Baseball by Year, 1990–present | 0 | - | 4.02 | 15,075 |
| Battle to Country | 0 | - | 4.91 | 54,099 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,008 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,603 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,277 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,921 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,863 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,358 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,739 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,853 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,973 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,286 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,533 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,970 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,977 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,999 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,710 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,313 |
| Countries of the World in 1882 with a Map | 0 | - | 4.89 | 45,226 |
| Countries of the World in 1789 with a Map | 0 | - | 4.95 | 67,561 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,166 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 45,977 |
| Friends Trivia | 0 | - | 4.09 | 161,199 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,023 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,696 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,264 |
| 1960s American TV Trivia | 0 | - | 4.05 | 11,689 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,959 |
| Monty Python Quotes | 0 | - | 4.89 | 42,624 |
| 1990s Movie Co-Stars | 0 | - | 3.97 | 33,732 |
| 1980s Movie Co-Stars | 0 | - | 4.17 | 15,877 |
| Dumbed Down Disney Movie Titles | 0 | - | 4.17 | 29,730 |
| Former Countries | 0 | - | 4.77 | 134,315 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,089 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,858 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,686 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,014 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,610 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,924 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,821 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,352 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,679 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 90,321 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,730,511 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,406 |
| Countries in World War I | 0 | - | 4.88 | 229,410 |
| Countries by Independence Day | 0 | - | 4.62 | 52,878 |
| Ancient City to Country | 0 | - | 4.72 | 108,397 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,408 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,500 |
| Former Countries by Capital | 0 | - | 4.45 | 127,886 |
| City-States | 0 | - | 4.53 | 37,435 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,946 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,712 |
| 2019 News Stories - Name the Country | 0 | - | 4.21 | 18,519 |
| 2020 News Stories - Name the Country | 0 | - | 4.35 | 30,462 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,103 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,965 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 90,098 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,497 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,783 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,997 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,632 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.81 | 55,283 |
| All Modern-Day Countries Ever Controlled by Greeks | 0 | - | 4.98 | 54,750 |
| All Modern-Day Countries Ever Controlled by the Netherlands | 0 | - | 4.95 | 53,912 |
| All Modern-Day Countries Ever Controlled by Portugal | 0 | - | 4.93 | 44,631 |
| All Modern-Day Countries Ever Controlled by the Russian Empire | 0 | - | 4.96 | 37,986 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,584 |
| Fads of the 1970s | 0 | - | 4.19 | 28,452 |
| NBA Jam Rosters | 0 | - | 4.12 | 9,553 |
| Simpsons Trivia Quiz #4 | 0 | - | 4.15 | 35,786 |
| Friends Episodes | 0 | - | 3.97 | 42,983 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,876 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,441,262 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,440 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,877 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,218 |
| Topological Map of Asia Quiz | 0 | - | 4.83 | 20,523 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,787 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,643 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,363 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,028 |
| Which City in Europe? | 0 | - | 4.83 | 107,992 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,317 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,432 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,559 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,646 |
| Random Point on Land to European Country | 0 | - | 4.94 | 78,204 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,254 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,949 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,249 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,762 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,306 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,932 |
| Name a Valid African Country | 0 | - | 4.98 | 155,239 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,101 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,879 |
| Countries that Beat China | 0 | - | 4.85 | 116,945 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,731 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,544 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,428 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,565 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,100 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,468 |
| Countries that Beat Mongolia | 0 | - | 4.91 | 39,911 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,265 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,982 |
| Presidential Actors | 0 | - | 4.36 | 19,262 |
| Movie Cities | 0 | - | 4.33 | 50,994 |
| Sports in Movies | 0 | - | 4.06 | 187,457 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,303 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,950 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,326 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,176 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,822 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,289 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,787 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,777 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,838 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,866 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,002 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,951 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,587 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,676 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,529 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,628 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,780 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,697 |
| Communist Countries in History | 0 | - | 4.63 | 498,705 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,683 |
| Cities in European History #1 | 0 | - | 4.63 | 134,727 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,973 |
| Guerrillas by Country | 0 | - | 4.40 | 41,249 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 102,433 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,026 |
| Languages of the Roman Empire with a Map | 0 | - | 4.94 | 61,297 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,338 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,363 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,525 |
| Inventions by Country #1 | 0 | - | 4.47 | 55,198 |
| Modern-Day Countries of the Khmer Empire on a Map | 0 | - | 4.77 | 45,897 |
| Modern-Day Countries of the Mayan Civilization | 0 | - | 4.78 | 33,748 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,570 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,592 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,246 |
| #1 Hits of the 1980s | 0 | - | 4.87 | 149,625 |
| Simpsons Trivia Quiz #2 | 0 | - | 3.88 | 44,908 |
| Simpsons Trivia Quiz #3 | 0 | - | 3.77 | 37,359 |
| Locations on The Simpsons | 0 | - | 4.35 | 14,847 |
| Simpsons Trivia Quiz #1 | 0 | - | 3.76 | 36,535 |
| FC Barcelona 2010s Starting XI | 0 | - | 4.65 | 73,341 |
