| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Countries by Population | 0 | - | 4.99 | 1,168,940 |
| Biggest Countries by Area | 0 | - | 4.99 | 829,818 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,919 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,976 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,902 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 294,605 |
| Southernmost Countries of the World | 0 | - | 4.99 | 182,252 |
| Countries with the Most Borders | 0 | - | 4.96 | 318,378 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 353,087 |
| Communist Countries in History | 0 | - | 4.48 | 384,025 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,834 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,453 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,997 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,047 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,574 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,951 |
| Countries that Start with A | 0 | - | 4.96 | 1,633,142 |
| Countries that Start with B | 0 | - | 4.94 | 1,770,710 |
| Countries that Start with C | 0 | - | 4.95 | 1,403,016 |
| Countries that Start with D | 0 | - | 4.96 | 465,102 |
| Countries that Start with E | 0 | - | 4.93 | 1,034,905 |
| Countries that Start with G | 0 | - | 4.95 | 1,132,604 |
| Countries that Start with H | 0 | - | 4.93 | 391,897 |
| Countries that Start with I | 0 | - | 4.91 | 978,612 |
| Countries that Start with J | 0 | - | 4.96 | 395,245 |
| Countries that Start with K | 0 | - | 4.95 | 573,644 |
| Countries that Start with L | 0 | - | 4.98 | 815,334 |
| Countries that Start with N | 0 | - | 4.90 | 836,611 |
| Countries that Start with P | 0 | - | 4.94 | 924,545 |
| Countries that Start with R | 0 | - | 4.42 | 300,910 |
| Countries that Start with S | 0 | - | 4.96 | 1,359,427 |
| Countries that Start with T | 0 | - | 4.89 | 760,661 |
| Countries that Start with U | 0 | - | 4.97 | 686,277 |
| Countries that Start with V | 0 | - | 4.97 | 457,240 |
| Countries that Start with F | 0 | - | 4.76 | 425,246 |
| Countries that Start with M | 0 | - | 4.96 | 1,062,688 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.65 | 243,234 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,588 |
| Countries in World War II | 0 | - | 4.48 | 681,936 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 165,198 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,983 |
| Countries in World War I | 0 | - | 4.91 | 183,167 |
| Countries with the Most Exports | 0 | - | 4.96 | 112,076 |
| Vietnam War Countries | 0 | - | 4.78 | 76,822 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,332 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,504 |
| Top Movie Producing Countries | 0 | - | 4.67 | 33,577 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 65,169 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,497 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 92,210 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,771 |
| Independence from Whom | 0 | - | 4.99 | 153,121 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.52 | 145,051 |
| Holy Roman Empire Countries | 0 | - | 4.58 | 37,601 |
| Political Movements by Country | 0 | - | 4.50 | 62,036 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,723 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,877 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.95 | 218,056 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,596 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,744 |
| Former Countries by Capital | 0 | - | 4.41 | 97,471 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,994 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,241 |
| Biggest Cities in History | 0 | - | 4.47 | 70,728 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,708 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,868 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,585 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,449 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 83,964 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,469 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,672 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 97,485 |
| Countries that Catch the Most Fish | 0 | - | 4.86 | 90,335 |
| Most Expensive Countries | 0 | - | 4.05 | 104,737 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,690 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,930 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,268 |
| Historical City to Country | 0 | - | 4.81 | 66,470 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,021 |
| Countries in the Ottoman Empire | 0 | - | 4.93 | 50,795 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 73,052 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,915 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,910 |
| Countries with the Most Muslims | 0 | - | 4.92 | 119,168 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,485 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,454 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,852 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,749 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,419 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,094 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,105 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,297 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,874 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 72,079 |
| Former Countries | 0 | - | 4.53 | 100,512 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,429 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,909 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,855 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,714 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 57,060 |
| Countries with the Longest Perimeter | 0 | - | 4.84 | 65,151 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,921 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,421 |
| Widest Countries East to West | 0 | - | 4.90 | 109,456 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.80 | 65,469 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 76,061 |
| Countries by Net Migration | 0 | - | 4.58 | 58,213 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,930 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 41,106 |
| Countries with the Most Murders | 0 | - | 4.52 | 101,684 |
| Countries with the Most Millionaires | 0 | - | 4.82 | 74,355 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,321 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,263 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,271 |
| Poorest Countries with Exceptions | 0 | - | 4.54 | 89,824 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 111,025 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.58 | 68,450 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,890 |
| Countries with Megacities | 0 | - | 4.99 | 176,251 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,588 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,563 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,446 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,592 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 66,135 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,655 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 106,253 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,816 |
| One Country By Letter By Continent | 0 | - | 4.99 | 36,760 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,738 |
| Most Populous Countries in 1800 | 0 | - | 4.25 | 33,129 |
| Coldest Countries | 0 | - | 4.97 | 100,637 |
| Countries with the Highest Murder Rate | 0 | - | 4.44 | 53,701 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,701 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,647 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,741 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.58 | 45,664 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 72,174 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 125,131 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 42,075 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,761 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,520 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,611 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 125,096 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.68 | 14,217 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 54,151 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,597 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,888 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,248 |
| Countries by Wealth per Capita | 0 | - | 4.56 | 52,910 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,349 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,772 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,988 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,555 |
| Countries by Milk Production | 0 | - | 4.49 | 18,022 |
| Countries of Asia in 1900 | 0 | - | 4.42 | 48,007 |
| Countries with the Most Total Precipitation | 0 | - | 4.74 | 48,463 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,574 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 81,077 |
| Soviet Union Country Quiz | 0 | - | 4.79 | 56,589 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,738 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 76,087 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 87,175 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,602 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 71,279 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,774 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,606 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,391 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,463 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,012 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,216 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,450 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,815 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 43,128 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,442 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.72 | 61,929 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,381 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 86,198 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,503 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 40,101 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 24,042 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 62,196 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,733 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 45,000 |
| Country by Photo of its Leader #1 | 0 | - | 4.74 | 80,813 |
| Countries That Produce the Most Spices | 0 | - | 4.42 | 35,548 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,630 |
| Countries with the Lowest Murder Rate | 0 | - | 4.50 | 45,604 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 34,096 |
| Worst Plastic Polluting Countries | 0 | - | 4.47 | 53,649 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 147,253 |
| Countries with the Most Skyscrapers per Capita | 0 | - | 4.58 | 48,146 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,378 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 73,065 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,263 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,930 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,597 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,544 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,746 |
| Battle to Country | 0 | - | 4.89 | 30,641 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,111 |
