| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,981 |
| Biggest Countries by Area | 0 | - | 4.99 | 827,630 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 163,690 |
| Countries with the Highest Obesity Rate | 0 | - | 4.37 | 147,795 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 151,647 |
| Northernmost Countries Quiz | 0 | - | 4.98 | 293,854 |
| Southernmost Countries of the World | 0 | - | 4.99 | 181,934 |
| Countries with the Most Borders | 0 | - | 4.96 | 317,606 |
| Countries with the Longest Coastlines | 0 | - | 4.85 | 352,495 |
| Communist Countries in History | 0 | - | 4.47 | 382,809 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 255,240 |
| Commonwealth of Nations Countries | 0 | - | 4.92 | 205,047 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,327 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,745 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 131,048 |
| Countries by Independence Day Quiz | 0 | - | 4.48 | 41,875 |
| Countries that Start with A | 0 | - | 4.96 | 1,627,406 |
| Countries that Start with B | 0 | - | 4.94 | 1,764,944 |
| Countries that Start with C | 0 | - | 4.95 | 1,398,522 |
| Countries that Start with D | 0 | - | 4.96 | 462,813 |
| Countries that Start with E | 0 | - | 4.93 | 1,031,325 |
| Countries that Start with G | 0 | - | 4.95 | 1,128,646 |
| Countries that Start with H | 0 | - | 4.92 | 389,946 |
| Countries that Start with I | 0 | - | 4.90 | 975,547 |
| Countries that Start with J | 0 | - | 4.96 | 393,240 |
| Countries that Start with K | 0 | - | 4.95 | 571,077 |
| Countries that Start with L | 0 | - | 4.98 | 812,351 |
| Countries that Start with N | 0 | - | 4.90 | 833,639 |
| Countries that Start with P | 0 | - | 4.94 | 921,323 |
| Countries that Start with R | 0 | - | 4.41 | 299,350 |
| Countries that Start with S | 0 | - | 4.97 | 1,354,880 |
| Countries that Start with T | 0 | - | 4.89 | 758,074 |
| Countries that Start with U | 0 | - | 4.97 | 683,972 |
| Countries that Start with V | 0 | - | 4.97 | 455,647 |
| Countries that Start with F | 0 | - | 4.76 | 423,298 |
| Countries that Start with M | 0 | - | 4.95 | 1,059,165 |
| Countries with the Biggest Economies by GDP | 0 | - | 4.73 | 241,178 |
| Top Crude Oil Producing Countries | 0 | - | 4.84 | 145,026 |
| Countries in World War II | 0 | - | 4.47 | 679,344 |
| Countries that Produce the Most Wine | 0 | - | 4.88 | 164,823 |
| Countries by Alcohol Consumption | 0 | - | 4.36 | 178,722 |
| Countries in World War I | 0 | - | 4.92 | 182,633 |
| Countries with the Most Exports | 0 | - | 4.96 | 111,834 |
| Vietnam War Countries | 0 | - | 4.78 | 76,605 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,070 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,255 |
| Top Movie Producing Countries | 0 | - | 4.67 | 33,432 |
| Countries "Ruled" by King Charles III | 0 | - | 4.73 | 64,997 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,998 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 91,929 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,493 |
| Independence from Whom | 0 | - | 4.99 | 152,786 |
| Countries with the Most Winter Olympics Medals | 0 | - | 4.51 | 144,827 |
| Holy Roman Empire Countries | 0 | - | 4.56 | 37,457 |
| Political Movements by Country | 0 | - | 4.49 | 61,888 |
| Largest Economies in 2050 | 0 | - | 4.90 | 88,451 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,551 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.94 | 206,896 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,223 |
| Who Controlled These Colonies? | 0 | - | 4.73 | 100,509 |
| Countries by Oil Consumption | 0 | - | 4.95 | 103,811 |
| Warsaw Pact Countries | 0 | - | 4.90 | 64,526 |
| Inventions by Country #1 | 0 | - | 4.43 | 41,777 |
| Countries by Airline Passengers | 0 | - | 4.93 | 41,342 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,275 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 83,826 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,300 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 69,498 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.86 | 94,989 |
| Countries that Catch the Most Fish | 0 | - | 4.85 | 90,131 |
| Most Expensive Countries | 0 | - | 4.05 | 104,661 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.51 | 31,596 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 181,422 |
| Historical City to Country | 0 | - | 4.81 | 66,326 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,709 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,649 |
| Countries with the Shortest Total Borders | 0 | - | 4.92 | 72,822 |
| Countries With the Most Languages | 0 | - | 4.90 | 150,189 |
| Countries Settled by Vikings | 0 | - | 4.92 | 91,715 |
| Countries with the Most Muslims | 0 | - | 4.92 | 118,908 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 81,341 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 65,328 |
| Countries Producing the Most Oranges | 0 | - | 4.52 | 24,765 |
| Countries with the Most Prisoners | 0 | - | 4.88 | 71,600 |
| Countries with the Most Domestic Camels | 0 | - | 4.89 | 34,321 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.73 | 29,036 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,839 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,000 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,681 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,900 |
| Former Countries | 0 | - | 4.52 | 100,305 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,195 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,452 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 54,678 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.91 | 57,524 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 56,890 |
| Countries with the Longest Perimeter | 0 | - | 4.84 | 64,988 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 143,533 |
| Tallest Countries North to South | 0 | - | 4.78 | 93,267 |
| Widest Countries East to West | 0 | - | 4.90 | 109,268 |
| Countries with the Most Billionaires per Capita | 0 | - | 4.79 | 65,315 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 75,905 |
| Countries by Net Migration | 0 | - | 4.57 | 57,995 |
| Countries with the Highest Average Elevation | 0 | - | 4.97 | 55,789 |
| Countries Whose Center is Closest to the Equator | 0 | - | 4.64 | 41,009 |
| Countries with the Most Murders | 0 | - | 4.51 | 101,510 |
| Countries with the Most Millionaires | 0 | - | 4.81 | 74,165 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,117 |
| Guerrillas by Country | 0 | - | 4.42 | 34,844 |
| Countries with the Least Precipitation | 0 | - | 4.86 | 62,142 |
| Countries with the Most Precipitation | 0 | - | 4.74 | 45,158 |
| Poorest Countries with Exceptions | 0 | - | 4.52 | 89,663 |
| Neutral European Countries of WWII | 0 | - | 4.95 | 110,613 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.56 | 68,290 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,344 |
| Countries with Megacities | 0 | - | 4.99 | 175,460 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,266 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,044 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,924 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,225 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 65,813 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 80,504 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 105,963 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.94 | 75,601 |
| One Country By Letter By Continent | 0 | - | 4.99 | 35,908 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,626 |
| Most Populous Countries in 1800 | 0 | - | 4.25 | 33,015 |
| Most Populous Countries by Year | 0 | - | 4.76 | 78,921 |
| Coldest Countries | 0 | - | 4.97 | 100,285 |
| Countries with the Highest Murder Rate | 0 | - | 4.43 | 53,621 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,231 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,096 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,521 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.56 | 45,549 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,961 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.85 | 124,912 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.47 | 42,009 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,517 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 64,313 |
| Countries with the Most Desert | 0 | - | 4.92 | 95,396 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,830 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.67 | 14,126 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.91 | 53,964 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 61,452 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 44,779 |
| Most Fragile Countries not in Africa | 0 | - | 4.41 | 36,167 |
| Countries by Wealth per Capita | 0 | - | 4.54 | 52,799 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.86 | 44,237 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.94 | 74,323 |
| Biggest Roman Empire Countries | 0 | - | 4.82 | 73,783 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,393 |
| Countries by Milk Production | 0 | - | 4.49 | 17,917 |
| Countries of Asia in 1900 | 0 | - | 4.43 | 47,886 |
| Countries with the Most Total Precipitation | 0 | - | 4.73 | 48,357 |
| Biggest British Empire Countries | 0 | - | 4.43 | 55,474 |
| Biggest Spanish Empire Countries | 0 | - | 4.79 | 80,833 |
| Soviet Union Country Quiz | 0 | - | 4.78 | 56,372 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.98 | 142,294 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,898 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,934 |
| Flags of the Countries that Start with A | 0 | - | 4.93 | 90,267 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 71,140 |
| Flags of the Countries that Start with C | 0 | - | 4.94 | 99,371 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,454 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,242 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,339 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,876 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,911 |
| Countries with the Most Mangroves | 0 | - | 4.47 | 29,383 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,398 |
| Most-Visited Countries by Popes | 0 | - | 4.44 | 42,978 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,171 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.71 | 61,605 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.91 | 85,020 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,963 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 66,312 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 39,942 |
| 2017 News Stories - Name the Country | 0 | - | 4.48 | 23,971 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.92 | 61,936 |
| Countries that Start with P - Shape Quiz | 0 | - | 4.82 | 61,447 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.92 | 44,827 |
| Country by Photo of its Leader #1 | 0 | - | 4.73 | 80,581 |
| Countries That Produce the Most Spices | 0 | - | 4.42 | 35,456 |
| Countries of the World in 1900 | 0 | - | 4.87 | 52,267 |
| Countries with the Lowest Murder Rate | 0 | - | 4.50 | 45,446 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.46 | 33,977 |
| Worst Plastic Polluting Countries | 0 | - | 4.46 | 53,407 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 146,639 |
| Countries with the Most Skyscrapers per Capita | 0 | - | 4.56 | 48,029 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,189 |
| Countries of Europe in 1444 | 0 | - | 4.94 | 72,694 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 92,783 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 105,350 |
| Densest Countries Bordering Each Other | 0 | - | 4.88 | 57,446 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,194 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 83,355 |
| Battle to Country | 0 | - | 4.89 | 30,544 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,922 |
| Countries by Former Name | 0 | - | 4.99 | 82,511 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 58,646 |
