| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,837 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,734 |
| Former Flags | 0 | - | 4.97 | 108,872 |
| 1960s Catchphrases | 0 | - | 4.14 | 105,164 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,640 |
| Battle to Country | 0 | - | 4.91 | 54,151 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,334 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 51,025 |
| 1960s American TV Trivia | 0 | - | 4.05 | 11,689 |
| Highest Grossing 1960s Movies | 0 | - | 4.45 | 22,857 |
| Who Did That 1960s Song #2 | 0 | - | 4.46 | 41,224 |
| Name the English Monarchs | 0 | - | 4.91 | 507,587 |
| 1960s Movie Trivia | 0 | - | 4.26 | 18,441 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,831 |
| Countries in World War I | 0 | - | 4.88 | 229,515 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,069 |
| Movies by Year, 1950–1969 | 0 | - | 4.48 | 22,141 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,037 |
| Who Did That 1960s Song #1 | 0 | - | 4.38 | 47,838 |
| Woodstock Performers | 0 | - | 4.55 | 10,694 |
| Modern-Day Axis-Occupied Countries of WWII on a Map | 0 | - | 4.99 | 86,837 |
| Fads of the 1960s | 0 | - | 4.00 | 11,526 |
| Communist Countries in History | 0 | - | 4.63 | 498,895 |
| Fads of the 1970s | 0 | - | 4.19 | 28,456 |
| 1970s American TV Trivia | 0 | - | 4.12 | 12,501 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,368 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 47,249 |
| Countries by Founding Story | 0 | - | 4.95 | 77,939 |
| Countries in World War II | 0 | - | 4.55 | 920,647 |
| Independence from Whom | 0 | - | 4.99 | 213,513 |
| Political Movements by Country | 0 | - | 4.46 | 72,846 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,742 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,949 |
| 2017 News Stories - Name the Country | 0 | - | 4.46 | 28,647 |
| 2018 News Stories - Name the Country | 0 | - | 4.42 | 23,950 |
| Highest Grossing 1970s Movies | 0 | - | 4.30 | 29,604 |
| Countries by Road Signs | 0 | - | 4.98 | 54,487 |
| Rat Pack Members | 0 | - | 4.03 | 5,205 |
| Top 10 Oldest African Countries | 0 | - | 4.87 | 28,323 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,258 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,193 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,590 |
| World Leaders by Picture | 0 | - | 4.36 | 267,141 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,033 |
| National Founders | 0 | - | 4.40 | 84,004 |
| Dictators by Picture | 0 | - | 4.18 | 49,456 |
| Recently Independent Countries | 0 | - | 4.98 | 160,569 |
| Important Cities in WWII | 0 | - | 4.42 | 94,305 |
| Historical City to Country | 0 | - | 4.85 | 79,115 |
| Countries by Former Name | 0 | - | 4.99 | 126,023 |
| Cities by Former Name | 0 | - | 4.83 | 92,218 |
| 2016 News Stories - Name the Country | 0 | - | 4.45 | 23,492 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.28 | 45,189 |
| NBA Basketball by Year, 2000–Present | 0 | - | 4.34 | 61,495 |
| Countries that Have Won the Most Battles | 0 | - | 4.01 | 39,826 |
| Countries Italy Declared War On | 0 | - | 4.74 | 49,284 |
| All Modern-Day Countries Ever Controlled by Turkic People | 0 | - | 4.94 | 41,327 |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 0 | - | 4.98 | 55,815 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,008 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,043 |
| Who Did That 1970s Song #1 | 0 | - | 4.48 | 89,231 |
| Highest Grossing 1980s Movies | 0 | - | 4.47 | 65,875 |
| Highest Grossing 1990s Movies | 0 | - | 4.50 | 109,064 |
| NFL Football Team Logos | 0 | - | 4.91 | 633,268 |
| NBA Team Logos | 0 | - | 4.81 | 699,295 |
| 1960s Music Trivia | 0 | - | 4.36 | 23,809 |
| #1 Hits of the 1960s | 0 | - | 4.59 | 43,070 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,526 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,955 |
| Flags of WW1 | 0 | - | 4.60 | 38,792 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,944 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.11 | 53,631 |
| The American Civil War | 0 | - | 4.62 | 52,672 |
| 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 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,235 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,838 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,886 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 58,012 |
| 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 |
| Modern Day Countries of the Kushan Empire on a Map | 0 | - | 4.89 | 25,362 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,772 |
| All Modern-Day Countries Ever Controlled by the Seljuks | 0 | - | 4.92 | 28,736 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 54,379 |
| Countries of the World in 1882 with a Map | 0 | - | 4.89 | 45,289 |
| English Royal Consorts | 0 | - | 4.38 | 37,574 |
| British History A-Z #1 | 0 | - | 4.45 | 47,358 |
| Kings of France Quiz | 0 | - | 4.22 | 32,975 |
| 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 |
| 1970s Movie Trivia | 0 | - | 4.28 | 21,862 |
| Who Did That 1970s Song #2 | 0 | - | 4.25 | 53,945 |
| I Will Survive Lyrics | 0 | - | 4.25 | 37,783 |
| Top Box Office Stars of the 1990s | 0 | - | 4.30 | 31,800 |
| 2000s Movie Co-Stars | 0 | - | 4.33 | 40,088 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 69,156 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,625 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,560 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 910,446 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,950 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,771 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 227,135 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,495 |
| World Map without 12 Countries | 0 | - | 4.97 | 346,576 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 175,021 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,712 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 40,497 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 34,837 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,308 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,269 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 123,148 |
| Every Country Shape | 0 | - | 5.00 | 472,814 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 109,069 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,236 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,769 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,479 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,926 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 78,365 |
| A Square of Merged Countries #1 | 0 | - | 4.89 | 60,224 |
| Country Shapes in my Burger | 0 | - | 4.95 | 55,473 |
| A Square of Merged Countries #2 | 0 | - | 4.98 | 42,066 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,248 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,329 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,877 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,516 |
| Flags of Oceania | 0 | - | 5.00 | 263,674 |
| Flags of North and South America | 0 | - | 4.99 | 378,409 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,944 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,718 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,715 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,315 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,409 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,887 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,675 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,151 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,997 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,053 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,908 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,613 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,546 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,350 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,933 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,342 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,219 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,577 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,049 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,226 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,598 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,837 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,917 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,901 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,126 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,301 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,357 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,151 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,696 |
| World Coats of Arms | 0 | - | 4.99 | 65,361 |
| NHL Ice Hockey Team Logos | 0 | - | 4.90 | 190,935 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,902 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,947 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,697 |
| Pixelated World Map | 0 | - | 5.00 | 144,629 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,293 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,499 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,137 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,327 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,840 |
| Monarchies of Europe | 0 | - | 4.90 | 99,076 |
| Monarchies of Asia | 0 | - | 4.97 | 71,641 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,585 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,009 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,761 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,398 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,773 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,695 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,930 |
| Orthodox Countries | 0 | - | 4.92 | 133,007 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,513 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,633 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 344,167 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,379 |
| Former Countries | 0 | - | 4.77 | 134,344 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,838 |
| Spanish History A-Z | 0 | - | 4.37 | 19,541 |
| Italian History A-Z | 0 | - | 4.16 | 17,962 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,866 |
| 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 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,363 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,694 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,732,589 |
| WWII Geography | 0 | - | 4.81 | 121,544 |
| 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 |
