| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Countries by Population | 0 | - | 4.99 | 1,166,248 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,839 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,715 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,811 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,666 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,918 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,959 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,671 |
| Countries with the Longest Coastlines | 0 | - | 4.86 | 352,554 |
| Communist Countries in History | 0 | - | 4.47 | 382,888 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,359 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,073 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,392 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,758 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,256 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,882 |
| Countries that Start with A | 0 | - | 4.96 | 1,627,994 |
| Countries that Start with B | 0 | - | 4.94 | 1,765,508 |
| Countries that Start with C | 0 | - | 4.95 | 1,398,982 |
| Countries that Start with D | 0 | - | 4.96 | 463,051 |
| Countries that Start with E | 0 | - | 4.93 | 1,031,668 |
| Countries that Start with G | 0 | - | 4.95 | 1,129,008 |
| Countries that Start with H | 0 | - | 4.92 | 390,140 |
| Countries that Start with I | 0 | - | 4.90 | 975,835 |
| Countries that Start with J | 0 | - | 4.96 | 393,430 |
| Countries that Start with K | 0 | - | 4.94 | 571,326 |
| Countries that Start with L | 0 | - | 4.98 | 812,634 |
| Countries that Start with N | 0 | - | 4.90 | 833,915 |
| Countries that Start with P | 0 | - | 4.94 | 921,644 |
| Countries that Start with R | 0 | - | 4.41 | 299,516 |
| Countries that Start with S | 0 | - | 4.97 | 1,355,296 |
| Countries that Start with T | 0 | - | 4.89 | 758,321 |
| Countries that Start with U | 0 | - | 4.97 | 684,192 |
| Countries that Start with V | 0 | - | 4.97 | 455,814 |
| Countries that Start with F | 0 | - | 4.76 | 423,516 |
| Countries that Start with M | 0 | - | 4.95 | 1,059,507 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.67 | 241,652 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,083 |
| Countries in World War II | 0 | - | 4.47 | 679,553 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,842 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,758 |
| Countries in World War I | 0 | - | 4.92 | 182,679 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,860 |
| Vietnam War Countries | 0 | - | 4.78 | 76,625 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,088 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,278 |
| Top Movie Producing Countries | 0 | - | 4.67 | 33,444 |
| Countries "Ruled" by King Charles III | 0 | - | 4.73 | 65,010 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,052 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,957 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,519 |
| Independence from Whom | 0 | - | 4.99 | 152,812 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.51 | 144,856 |
| Holy Roman Empire Countries | 0 | - | 4.57 | 37,474 |
| Political Movements by Country | 0 | - | 4.49 | 61,900 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,501 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,579 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 212,916 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,257 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,525 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,834 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,935 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,538 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,785 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,364 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,291 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,836 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,515 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 95,751 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,146 |
| Most Expensive Countries | 0 | - | 4.05 | 104,667 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,606 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,467 |
| Historical City to Country | 0 | - | 4.81 | 66,347 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,735 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,666 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,840 |
| Countries With the Most Languages | 0 | - | 4.89 | 150,246 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,734 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,931 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,350 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,342 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,771 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,611 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,328 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,040 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,860 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,022 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,698 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,912 |
| Former Countries | 0 | - | 4.52 | 100,320 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,217 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,498 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,694 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,548 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 56,905 |
| Countries with the Longest Perimeter | 0 | - | 4.84 | 65,001 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,567 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,282 |
| Widest Countries East to West | 0 | - | 4.90 | 109,296 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.80 | 65,329 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,920 |
| Countries by Net Migration | 0 | - | 4.57 | 58,013 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,805 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 41,015 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,536 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,184 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,141 |
| Guerrillas by Country | 0 | - | 4.39 | 34,850 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,496 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,165 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,175 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,682 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,650 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.56 | 68,299 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,398 |
| Countries with Megacities | 0 | - | 4.99 | 175,601 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,297 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,088 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,953 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,258 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,841 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,514 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,995 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,618 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,983 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,640 |
| Most Populous Countries in 1800 | 0 | - | 4.25 | 33,029 |
| Most Populous Countries by Year | 0 | - | 4.76 | 78,948 |
| Coldest Countries | 0 | - | 4.97 | 100,367 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,629 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,268 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,145 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,537 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,554 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,978 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,940 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 42,017 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,537 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,352 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,423 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,855 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,994 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,465 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,783 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,171 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,812 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,249 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,339 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,798 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,410 |
| Countries by Milk Production | 0 | - | 4.49 | 17,931 |
| Countries of Asia in 1900 | 0 | - | 4.42 | 47,897 |
| Countries with the Most Total Precipitation | 0 | - | 4.74 | 48,377 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,481 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,846 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,391 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,336 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,913 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,951 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,297 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 71,149 |
| Countries Most Affected by the 2004 Tsunami | 0 | - | 3.95 | 18,148 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,414 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,468 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,250 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,354 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,882 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,938 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,393 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,427 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,989 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,202 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,634 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,046 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,986 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,329 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 39,946 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,975 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,964 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,468 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,841 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,602 |
| Countries That Produce the Most Spices | 0 | - | 4.42 | 35,468 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,301 |
| Countries with the Lowest Murder Rate | 0 | - | 4.50 | 45,458 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,988 |
| Worst Plastic Polluting Countries | 0 | - | 4.46 | 53,439 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,702 |
| Countries with the Most Skyscrapers per Capita | 0 | - | 4.56 | 48,045 |
| Countries of the German Empire | 0 | - | 4.36 | 26,621 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,208 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,728 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,824 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,399 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,459 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,219 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,375 |
| Battle to Country | 0 | - | 4.89 | 30,554 |
| Countries of the Italian Empire | 0 | - | 4.19 | 19,906 |
