| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Countries by Population | 0 | - | 4.99 | 1,169,861 |
| Biggest Countries by Area | 0 | - | 4.99 | 830,497 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,997 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 148,274 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,964 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,767 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,320 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,593 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,314 |
| Communist Countries in History | 0 | - | 4.48 | 384,425 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,969 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,565 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 307,186 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,125 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,666 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,963 |
| Countries that Start with A | 0 | - | 4.96 | 1,635,006 |
| Countries that Start with B | 0 | - | 4.94 | 1,772,551 |
| Countries that Start with C | 0 | - | 4.95 | 1,404,494 |
| Countries that Start with D | 0 | - | 4.97 | 465,850 |
| Countries that Start with E | 0 | - | 4.93 | 1,036,074 |
| Countries that Start with G | 0 | - | 4.95 | 1,133,948 |
| Countries that Start with H | 0 | - | 4.93 | 392,557 |
| Countries that Start with I | 0 | - | 4.91 | 979,666 |
| Countries that Start with J | 0 | - | 4.96 | 395,887 |
| Countries that Start with K | 0 | - | 4.95 | 574,506 |
| Countries that Start with L | 0 | - | 4.98 | 816,259 |
| Countries that Start with N | 0 | - | 4.90 | 837,746 |
| Countries that Start with P | 0 | - | 4.94 | 925,611 |
| Countries that Start with R | 0 | - | 4.42 | 301,399 |
| Countries that Start with S | 0 | - | 4.96 | 1,360,990 |
| Countries that Start with T | 0 | - | 4.89 | 761,465 |
| Countries that Start with U | 0 | - | 4.97 | 687,029 |
| Countries that Start with V | 0 | - | 4.97 | 457,750 |
| Countries that Start with F | 0 | - | 4.77 | 425,909 |
| Countries that Start with M | 0 | - | 4.95 | 1,063,804 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.65 | 243,718 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,682 |
| Countries in World War II | 0 | - | 4.48 | 682,823 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,292 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 179,060 |
| Countries in World War I | 0 | - | 4.91 | 183,372 |
| Countries with the Most Exports | 0 | - | 4.96 | 112,137 |
| Vietnam War Countries | 0 | - | 4.78 | 76,899 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,406 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,592 |
| Top Movie Producing Countries | 0 | - | 4.67 | 33,636 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 65,234 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,657 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,269 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 127,057 |
| Independence from Whom | 0 | - | 4.99 | 153,233 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.52 | 145,123 |
| Holy Roman Empire Countries | 0 | - | 4.58 | 37,647 |
| Political Movements by Country | 0 | - | 4.50 | 62,076 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,789 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,966 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 218,345 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,700 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,814 |
| Former Countries by Capital | 0 | - | 4.41 | 97,511 |
| Countries by Oil Consumption | 0 | - | 4.95 | 104,062 |
| Biggest Cities in History | 0 | - | 4.47 | 70,807 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,766 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,893 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,663 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,495 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 84,013 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,519 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,725 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 97,632 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,393 |
| Most Expensive Countries | 0 | - | 4.05 | 104,757 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,717 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 182,111 |
| Historical City to Country | 0 | - | 4.81 | 66,527 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,103 |
| Countries in the Ottoman Empire | 0 | - | 4.93 | 50,852 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 73,116 |
| Countries With the Most Languages | 0 | - | 4.90 | 151,056 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,983 |
| Countries with the Most Muslims | 0 | - | 4.92 | 119,259 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,519 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,494 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,875 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,814 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,452 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,115 |
| Countries that Bordered the USSR | 0 | - | 4.94 | 129,192 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,388 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,941 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 72,167 |
| Former Countries | 0 | - | 4.53 | 100,570 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,520 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 225,100 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,902 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,788 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 57,118 |
| Countries with the Longest Perimeter | 0 | - | 4.84 | 65,209 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 144,035 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,469 |
| Widest Countries East to West | 0 | - | 4.90 | 109,527 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.80 | 65,536 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 76,114 |
| Countries by Net Migration | 0 | - | 4.58 | 58,266 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,981 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 41,146 |
| Countries with the Most Murders | 0 | - | 4.52 | 101,735 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,427 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,389 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,302 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,291 |
| Poorest Countries with Exceptions | 0 | - | 4.53 | 89,873 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 111,141 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.57 | 68,498 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 218,096 |
| Countries with Megacities | 0 | - | 4.99 | 176,427 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,708 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,735 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,618 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,735 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,274 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,706 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 106,353 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,884 |
| One Country By Letter By Continent | 0 | - | 4.99 | 37,086 |
| Most Populous Countries in 1800 | 0 | - | 4.25 | 33,153 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,471 |
| Coldest Countries | 0 | - | 4.97 | 100,715 |
| Countries with the Highest Murder Rate | 0 | - | 4.44 | 53,737 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,878 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,795 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,810 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.64 | 45,707 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 72,236 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 125,197 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 42,100 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,844 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,587 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,665 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 125,179 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.68 | 14,235 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 54,210 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,640 |
| Most Recently-Settled Countries | 0 | - | 4.90 | 44,923 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,286 |
| Countries by Wealth per Capita | 0 | - | 4.56 | 52,942 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,382 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,825 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 74,044 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,632 |
| Countries by Milk Production | 0 | - | 4.49 | 18,051 |
| Countries of Asia in 1900 | 0 | - | 4.42 | 48,051 |
| Countries with the Most Total Precipitation | 0 | - | 4.74 | 48,505 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,619 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 81,161 |
| Soviet Union Country Quiz | 0 | - | 4.79 | 56,669 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,907 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 76,169 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 87,256 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,709 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 71,315 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,885 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,656 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,444 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,514 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,068 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,299 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,476 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,937 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 43,183 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,542 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.72 | 62,006 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,481 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 86,282 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,585 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 40,227 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,067 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,278 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,804 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 45,056 |
| Country by Photo of its Leader #1 | 0 | - | 4.74 | 80,888 |
| Countries That Produce the Most Spices | 0 | - | 4.42 | 35,586 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,753 |
| Countries with the Lowest Murder Rate | 0 | - | 4.50 | 45,656 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 34,128 |
| Worst Plastic Polluting Countries | 0 | - | 4.47 | 53,707 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,474 |
| Countries with the Most Skyscrapers per Capita | 0 | - | 4.63 | 48,178 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,432 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,222 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,387 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 106,159 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,644 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,651 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,823 |
| Battle to Country | 0 | - | 4.89 | 30,664 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,184 |
| Countries by Former Name | 0 | - | 4.98 | 82,848 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,991 |
