| 1970s Movie Trivia | 0 | - | 4.28 | 21,862 |
| Movies by Year, 1950–1969 | 0 | - | 4.48 | 22,141 |
| Highest Grossing 1970s Movies | 0 | - | 4.30 | 29,604 |
| Highest Grossing 1960s Movies | 0 | - | 4.45 | 22,857 |
| 1960s Movie Trivia | 0 | - | 4.26 | 18,441 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,595 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,334 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 51,025 |
| Country by Photo of its Leader | 0 | - | 4.70 | 124,774 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,710 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,731 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,781 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,734 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,252 |
| Political Movements by Country | 0 | - | 4.46 | 72,846 |
| 2017 News Stories - Name the Country | 0 | - | 4.46 | 28,647 |
| 2018 News Stories - Name the Country | 0 | - | 4.42 | 23,950 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,090 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,368 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,259 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,194 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,590 |
| Countries by Founding Story | 0 | - | 4.95 | 77,939 |
| National Founders | 0 | - | 4.40 | 84,004 |
| Recently Independent Countries | 0 | - | 4.98 | 160,571 |
| Independence from Whom | 0 | - | 4.99 | 213,514 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,742 |
| Historical City to Country | 0 | - | 4.85 | 79,115 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,949 |
| Countries by Former Name | 0 | - | 4.99 | 126,024 |
| Cities by Former Name | 0 | - | 4.83 | 92,218 |
| 2016 News Stories - Name the Country | 0 | - | 4.45 | 23,492 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 69,156 |
| Fads of the 1970s | 0 | - | 4.19 | 28,456 |
| 1970s American TV Trivia | 0 | - | 4.12 | 12,501 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,163 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,750 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,109 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,640 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,819 |
| Former Capitals | 0 | - | 4.88 | 71,750 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,945 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,706 |
| The American Revolution | 0 | - | 4.52 | 54,395 |
| The Vietnam War | 0 | - | 4.44 | 35,697 |
| 2019 News Stories - Name the Country | 0 | - | 4.21 | 18,526 |
| 2020 News Stories - Name the Country | 0 | - | 4.35 | 30,472 |
| MLB Baseball by Year, 1960–1989 | 0 | - | 4.09 | 18,719 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.34 | 25,513 |
| MLB Baseball by Year, 1990–present | 0 | - | 4.02 | 15,080 |
| Battle to Country | 0 | - | 4.91 | 54,151 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,056 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,639 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,314 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,587 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,947 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,909 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,412 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,838 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,887 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 58,013 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,330 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,625 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,209 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,074 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,065 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,772 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,379 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,927 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,215 |
| Modern-Day Countries of the Holy Roman Empire on a Map | 0 | - | 4.93 | 46,008 |
| Word Chain - The Simpsons | 0 | - | 4.55 | 40,169 |
| Friends A-Z | 0 | - | 4.47 | 40,711 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 55,094 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,442,450 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,048 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,530 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,854 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,200 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,252 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,774 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,723 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,249 |
| Monty Python Quotes | 0 | - | 4.89 | 42,635 |
| 1980s Movie Taglines | 0 | - | 4.22 | 42,847 |
| 1990s Movie Taglines | 0 | - | 4.21 | 46,137 |
| Former Countries | 0 | - | 4.77 | 134,344 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,866 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,679 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,964 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,295 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,856 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,363 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,694 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,828 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 90,364 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,372 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,732,593 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,977 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,832 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,837 |
| Countries in World War I | 0 | - | 4.88 | 229,515 |
| Countries by Independence Day | 0 | - | 4.62 | 52,887 |
| Ancient City to Country | 0 | - | 4.72 | 108,416 |
| Former Countries by Capital | 0 | - | 4.45 | 127,914 |
| City-States | 0 | - | 4.53 | 37,444 |
| All U.S. Supreme Court Justices | 0 | - | 4.54 | 29,175 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,069 |
| All U.S. Supreme Court Justices Ever | 0 | - | 4.50 | 11,882 |
| Harvard University | 0 | - | 4.15 | 8,336 |
| The Iraq War | 0 | - | 4.47 | 15,721 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,469 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,134 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,595 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,044 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 90,148 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,554 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,843 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 87,063 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,679 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 58,638 |
| All Modern-Day Countries Ever Controlled by Chinese People | 0 | - | 4.81 | 55,315 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,661 |
| The Simpsons - Quote to Character | 0 | - | 4.06 | 44,399 |
| Friends Theme Song Lyrics | 0 | - | 4.36 | 143,838 |
| FC Barcelona 2010s Starting XI | 0 | - | 4.65 | 73,422 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,122 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,445 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,605 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,158 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,302 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,040 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,129 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,614 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,173 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,470 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,660 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,701 |
| Hindu Countries | 0 | - | 4.86 | 50,699 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,977 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.88 | 54,076 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,834 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,814 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,774 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 128,060 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,968 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,235 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,775 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,470 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,961 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,037 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,326 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,860 |
| The Richard Nixon Presidency | 0 | - | 4.05 | 22,112 |
| People Portrayed by Andy Warhol | 0 | - | 4.35 | 38,304 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,836 |
| 1970s Decade Quiz | 0 | - | 4.23 | 61,067 |
| Who Did That 1970s Song #1 | 0 | - | 4.48 | 89,232 |
| Name the James Bond Movies | 0 | - | 4.56 | 159,667 |
| James Bond Trivia | 0 | - | 4.46 | 39,439 |
| Presidential Actors | 0 | - | 4.36 | 19,266 |
| MCU Actors by Picture | 0 | - | 4.45 | 85,062 |
| Anchorman Quotes | 0 | - | 3.73 | 9,722 |
| Movie Cities | 0 | - | 4.33 | 51,003 |
| Sports in Movies | 0 | - | 4.06 | 187,617 |
| Longest Uninterrupted Democracies | 0 | - | 4.04 | 33,309 |
| Most Recent Country To ... | 0 | - | 4.33 | 55,974 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,355 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,634 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,414 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,177 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,520 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,845 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,719 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,802 |
| World Leaders by Picture | 0 | - | 4.36 | 267,141 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,035 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,849 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,250 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,984 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,094 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,986 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,611 |
| Countries in World War II | 0 | - | 4.55 | 920,649 |
| Important Cities in WWII | 0 | - | 4.42 | 94,305 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 146,137 |
| Communist Countries in History | 0 | - | 4.63 | 498,895 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,622 |
| Cities in European History #1 | 0 | - | 4.63 | 134,922 |
| Countries Unconquered since 1850 | 0 | - | 4.32 | 64,980 |
| Guerrillas by Country | 0 | - | 4.40 | 41,260 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,335 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,685 |
| The Persian Gulf War | 0 | - | 4.02 | 8,491 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,531 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,350 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,117 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,574 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,651 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,597 |
