| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,343 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,198 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,640 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,756 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,579 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,758 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,874 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,430 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,344 |
| Communist Countries in History | 0 | - | 4.47 | 382,548 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,108 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,977 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,191 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,680 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,985 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,866 |
| Countries that Start with A | 0 | - | 4.96 | 1,626,260 |
| Countries that Start with B | 0 | - | 4.94 | 1,763,735 |
| Countries that Start with C | 0 | - | 4.95 | 1,397,579 |
| Countries that Start with D | 0 | - | 4.96 | 462,331 |
| Countries that Start with E | 0 | - | 4.93 | 1,030,599 |
| Countries that Start with G | 0 | - | 4.95 | 1,127,872 |
| Countries that Start with H | 0 | - | 4.92 | 389,519 |
| Countries that Start with I | 0 | - | 4.90 | 974,886 |
| Countries that Start with J | 0 | - | 4.96 | 392,793 |
| Countries that Start with K | 0 | - | 4.95 | 570,523 |
| Countries that Start with L | 0 | - | 4.98 | 811,746 |
| Countries that Start with N | 0 | - | 4.90 | 833,021 |
| Countries that Start with P | 0 | - | 4.94 | 920,616 |
| Countries that Start with R | 0 | - | 4.41 | 298,980 |
| Countries that Start with S | 0 | - | 4.97 | 1,353,933 |
| Countries that Start with T | 0 | - | 4.89 | 757,465 |
| Countries that Start with U | 0 | - | 4.97 | 683,419 |
| Countries that Start with V | 0 | - | 4.97 | 455,287 |
| Countries that Start with F | 0 | - | 4.74 | 422,844 |
| Countries that Start with M | 0 | - | 4.95 | 1,058,454 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.71 | 237,658 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 144,962 |
| Countries in World War II | 0 | - | 4.47 | 678,801 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,749 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,634 |
| Countries in World War I | 0 | - | 4.92 | 182,511 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,791 |
| Vietnam War Countries | 0 | - | 4.78 | 76,552 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,021 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,211 |
| Top Movie Producing Countries | 0 | - | 4.66 | 33,385 |
| Countries "Ruled" by King Charles III | 0 | - | 4.74 | 64,964 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,904 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,878 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,434 |
| Independence from Whom | 0 | - | 4.99 | 152,703 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.51 | 144,773 |
| Holy Roman Empire Countries | 0 | - | 4.56 | 37,435 |
| Political Movements by Country | 0 | - | 4.49 | 61,864 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,384 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,484 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,344 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,146 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,455 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,777 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,844 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,488 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,761 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,299 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,249 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,803 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,257 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,448 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 86,831 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,089 |
| Most Expensive Countries | 0 | - | 4.05 | 104,650 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,577 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,298 |
| Historical City to Country | 0 | - | 4.81 | 66,301 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,640 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,619 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,774 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,085 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,675 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,861 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,308 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,297 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,741 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,554 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,291 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,022 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,786 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,940 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,642 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,866 |
| Former Countries | 0 | - | 4.52 | 100,274 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,143 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,350 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,651 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,487 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 56,850 |
| Countries with the Longest Perimeter | 0 | - | 4.83 | 64,956 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,459 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,227 |
| Widest Countries East to West | 0 | - | 4.90 | 109,220 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,286 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,876 |
| Countries by Net Migration | 0 | - | 4.57 | 57,921 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,754 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 40,989 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,475 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,108 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,084 |
| Guerrillas by Country | 0 | - | 4.42 | 34,827 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,109 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,125 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,636 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,516 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.56 | 68,261 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,218 |
| Countries with Megacities | 0 | - | 4.99 | 174,957 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,202 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,902 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,835 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,940 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,747 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,475 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,885 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,547 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,724 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,593 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,859 |
| Coldest Countries | 0 | - | 4.97 | 99,853 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,586 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,104 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,967 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,452 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,532 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,919 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,862 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 41,994 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,445 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,267 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,349 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,764 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,108 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,921 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,408 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,758 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,147 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,779 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,220 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,287 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,735 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,371 |
| Countries by Milk Production | 0 | - | 4.49 | 17,894 |
| Countries of Asia in 1900 | 0 | - | 4.43 | 47,849 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,324 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,451 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,782 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,334 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,194 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,868 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,887 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,177 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 71,097 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,287 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,427 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,210 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,301 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,847 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,810 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,370 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,314 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,937 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,093 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,527 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,906 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,912 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,261 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 39,921 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,958 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,860 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,374 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,804 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,532 |
| Countries That Produce the Most Spices | 0 | - | 4.42 | 35,444 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,200 |
| Countries with the Lowest Murder Rate | 0 | - | 4.50 | 45,425 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,952 |
| Worst Plastic Polluting Countries | 0 | - | 4.49 | 53,337 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,510 |
| Countries with the Most Skyscrapers per Capita | 0 | - | 4.56 | 48,007 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,169 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,634 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,688 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,226 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,412 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,106 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,314 |
| Battle to Country | 0 | - | 4.89 | 30,516 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,891 |
| Countries by Former Name | 0 | - | 4.99 | 82,456 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,597 |
