| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,327 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,186 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,637 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,754 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,576 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,756 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,873 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,423 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,342 |
| Communist Countries in History | 0 | - | 4.47 | 382,539 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,107 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 204,970 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,186 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,679 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 130,981 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,866 |
| Countries that Start with A | 0 | - | 4.96 | 1,626,230 |
| Countries that Start with B | 0 | - | 4.94 | 1,763,707 |
| Countries that Start with C | 0 | - | 4.95 | 1,397,559 |
| Countries that Start with D | 0 | - | 4.96 | 462,320 |
| Countries that Start with E | 0 | - | 4.93 | 1,030,583 |
| Countries that Start with G | 0 | - | 4.95 | 1,127,861 |
| Countries that Start with H | 0 | - | 4.92 | 389,513 |
| Countries that Start with I | 0 | - | 4.90 | 974,874 |
| Countries that Start with J | 0 | - | 4.96 | 392,790 |
| Countries that Start with K | 0 | - | 4.95 | 570,519 |
| Countries that Start with L | 0 | - | 4.98 | 811,738 |
| Countries that Start with N | 0 | - | 4.90 | 833,010 |
| Countries that Start with P | 0 | - | 4.94 | 920,602 |
| Countries that Start with R | 0 | - | 4.41 | 298,972 |
| Countries that Start with S | 0 | - | 4.97 | 1,353,907 |
| Countries that Start with T | 0 | - | 4.89 | 757,451 |
| Countries that Start with U | 0 | - | 4.97 | 683,407 |
| Countries that Start with V | 0 | - | 4.97 | 455,279 |
| Countries that Start with F | 0 | - | 4.74 | 422,835 |
| Countries that Start with M | 0 | - | 4.95 | 1,058,445 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.71 | 237,655 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 144,962 |
| Countries in World War II | 0 | - | 4.47 | 678,786 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,748 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,629 |
| Countries in World War I | 0 | - | 4.92 | 182,505 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,787 |
| Vietnam War Countries | 0 | - | 4.78 | 76,551 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,019 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,209 |
| 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 | 145,902 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,876 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,432 |
| Independence from Whom | 0 | - | 4.99 | 152,703 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.51 | 144,772 |
| Holy Roman Empire Countries | 0 | - | 4.56 | 37,434 |
| Political Movements by Country | 0 | - | 4.49 | 61,863 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,383 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,482 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,332 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,142 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,452 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,777 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,841 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,486 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,760 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,299 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,248 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,799 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,256 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,448 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 86,309 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,087 |
| 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 | 181,297 |
| 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 | 50,617 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,773 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,083 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,670 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,859 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,308 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,296 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,740 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,550 |
| 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 | 128,784 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,939 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,640 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,865 |
| 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 | 224,347 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,649 |
| 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 | 64,955 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,457 |
| Tallest Countries North to South | 0 | - | 4.79 | 93,226 |
| Widest Countries East to West | 0 | - | 4.90 | 109,219 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,285 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,872 |
| Countries by Net Migration | 0 | - | 4.57 | 57,920 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,754 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 40,988 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,473 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,106 |
| 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 | 62,108 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,125 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,634 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,514 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.56 | 68,261 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,215 |
| Countries with Megacities | 0 | - | 4.99 | 174,937 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,201 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,894 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,830 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,928 |
| 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 | 105,884 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,546 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,716 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,593 |
| Most Populous Countries in 1800 | 0 | - | 4.25 | 32,997 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,856 |
| Coldest Countries | 0 | - | 4.97 | 99,852 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,586 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,101 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 111,961 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,451 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,532 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,917 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,862 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 41,993 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,443 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,267 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,347 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,763 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,108 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,919 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,407 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,757 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,146 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,776 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,220 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,286 |
| 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 | 47,848 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,324 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,449 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,777 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,333 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,192 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,866 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,886 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,175 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 71,096 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,286 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,426 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,208 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,300 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,846 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,807 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,370 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,313 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,935 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,089 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,520 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 84,905 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,910 |
| 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 | 61,857 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,372 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,803 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,529 |
| Countries That Produce the Most Spices | 0 | - | 4.42 | 35,443 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,198 |
| Countries with the Lowest Murder Rate | 0 | - | 4.50 | 45,422 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,952 |
| Worst Plastic Polluting Countries | 0 | - | 4.49 | 53,335 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,507 |
| 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 | 72,630 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,686 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,222 |
| 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 | 83,309 |
| Battle to Country | 0 | - | 4.89 | 30,516 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,889 |
| Countries by Former Name | 0 | - | 4.99 | 82,453 |
