| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Countries by Area | 0 | - | 4.99 | 914,284 |
| Northernmost Countries | 0 | - | 4.98 | 322,608 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 77,772 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 94,489 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 73,524 |
| Southernmost Countries of the World | 0 | - | 4.99 | 196,548 |
| Countries by Inland Surface Water | 0 | - | 4.95 | 88,872 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 105,723 |
| Countries With the Most Languages | 0 | - | 4.90 | 169,081 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.94 | 85,806 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.82 | 69,903 |
| Countries with the Most Prisoners | 0 | - | 4.91 | 84,241 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 52,421 |
| Widest Countries East to West | 0 | - | 4.91 | 117,653 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,464 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 156,379 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 91,660 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.95 | 83,982 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 116,749 |
| Countries with the Most Desert | 0 | - | 4.91 | 103,457 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 66,025 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,290,074 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,202 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 203,752 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,309,100 |
| European Countries with One Border | 0 | - | 4.96 | 147,949 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 142,199 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.85 | 31,607 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,239 |
| Countries of the World Quiz | 0 | - | 5.00 | 39,846,029 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.95 | 160,513 |
| Top Olive Oil Producing Countries | 0 | - | 4.92 | 74,626 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 132,774 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 99,974 |
| Countries with the Highest Life Expectancy | 0 | - | 4.84 | 194,002 |
| Most Populous Countries in 2050 | 0 | - | 4.89 | 202,231 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.93 | 4,947,892 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 141,834 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 138,061 |
| Coldest Countries | 0 | - | 4.98 | 122,219 |
| Countries by Change in Carbon Dioxide Emissions | 0 | - | 4.90 | 47,525 |
| Countries by Airline Passengers | 0 | - | 4.93 | 48,466 |
| Countries with the Most Nobel Prizes | 0 | - | 4.85 | 82,165 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.83 | 16,621 |
| Countries with the Least Precipitation | 0 | - | 4.88 | 67,112 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 114,887 |
| Bordering Countries by HDI Difference | 0 | - | 4.93 | 47,040 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 67,442 |
| Monarchies Bordering Monarchies | 0 | - | 4.86 | 54,895 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 310,695 |
| Sahara Desert Countries | 0 | - | 4.98 | 122,199 |
| Himalayan Countries | 0 | - | 4.95 | 99,633 |
| Andean Countries | 0 | - | 4.92 | 55,240 |
| Countries with the Oldest Median Age | 0 | - | 4.88 | 56,188 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 47,455 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 100,399 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 51,840 |
| Danube Countries | 0 | - | 4.97 | 55,839 |
| Countries With an "Ish" Demonym | 0 | - | 4.96 | 90,923 |
| Countries With an "Ese" Demonym | 0 | - | 4.95 | 64,238 |
| Countries with the Worst Passports | 0 | - | 4.88 | 48,023 |
| Countries with the Most Immigrants | 0 | - | 4.84 | 107,229 |
| European Landlocked Countries | 0 | - | 4.99 | 114,032 |
| Partially Recognized Countries | 0 | - | 4.98 | 87,931 |
| Countries with the Most Species | 0 | - | 4.99 | 88,881 |
| Tropic of Cancer Countries | 0 | - | 4.93 | 44,202 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,564 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 46,879 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 58,125 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 48,092 |
| Countries in the Alps | 0 | - | 4.85 | 100,690 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 83,760 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 84,368 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 70,604 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,029 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 92,307 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.88 | 86,338 |
| Five Biggest Countries by Latitude | 0 | - | 4.98 | 88,345 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,301 |
| Biggest Country by Body of Water | 0 | - | 4.97 | 44,728 |
| Countries with the Most Container Port Traffic | 0 | - | 4.93 | 53,555 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 68,306 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 48,022 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 36,074 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.91 | 94,130 |
| Arctic Ocean Countries | 0 | - | 4.95 | 70,903 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,393 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 94,910 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 60,507 |
| Countries that Host the Most Refugees | 0 | - | 4.92 | 52,425 |
| All Countries of the World by Area with Hints | 0 | - | 4.96 | 188,841 |
| World Countries - Blind Typing | 0 | - | 5.00 | 69,423 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 41,533 |
| Largest Countries By Category | 0 | - | 4.97 | 142,581 |
| Countries by Countries | 0 | - | 4.93 | 53,363 |
| Country Flags With Only Two Colors | 0 | - | 4.87 | 76,342 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.41 | 333,279 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.43 | 369,572 |
| Spanish-Speaking Countries | 0 | - | 4.88 | 335,728 |
| Countries with the Most Tourists Quiz | 0 | - | 4.93 | 346,718 |
| Island Countries Quiz | 0 | - | 4.99 | 632,015 |
| Countries of South America | 0 | - | 5.00 | 770,754 |
| Countries of Oceania | 0 | - | 5.00 | 864,358 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,048,771 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,520,375 |
| Walking Across Borders with Hints #1 | 0 | - | 4.89 | 88,356 |
| Countries Producing the Most Oranges | 0 | - | 4.74 | 43,426 |
| Tallest Countries North to South | 0 | - | 4.79 | 109,158 |
| Countries with the Longest Perimeter | 0 | - | 4.79 | 70,785 |
| Poorest Countries with Exceptions | 0 | - | 4.48 | 96,145 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.50 | 44,461 |
| Most Fragile Countries not in Africa | 0 | - | 4.42 | 57,189 |
| Countries by Wealth per Capita | 0 | - | 4.50 | 56,562 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 76,288 |
| Countries with the Lowest Murder Rate | 0 | - | 4.61 | 68,131 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,137 |
| Countries with Megacities | 0 | - | 4.99 | 191,613 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,603 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,556 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,796 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,466 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 241,789 |
| Countries by Official Language | 0 | - | 4.94 | 151,993 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.88 | 242,515 |
| Countries in their Native Language | 0 | - | 4.97 | 175,223 |
| Independence from Whom | 0 | - | 4.99 | 180,285 |
| Subdivisions by Country | 0 | - | 4.84 | 45,900 |
| Who Controlled These Colonies? | 0 | - | 4.84 | 109,960 |
| Megadiverse Countries | 0 | - | 4.94 | 123,822 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 88,245 |
| Countries with Multiple Big Islands | 0 | - | 4.89 | 105,277 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.85 | 46,799 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 128,207 |
| Most Recently-Settled Countries | 0 | - | 4.89 | 47,983 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 74,937 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.96 | 142,981 |
| Countries with Multiple Populous Islands | 0 | - | 4.83 | 75,916 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,643 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 41,811 |
| Landmarks of Countries #1 | 0 | - | 4.82 | 100,290 |
| Countries Furthest from the United States | 0 | - | 4.89 | 70,739 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,233 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 79,800 |
| Countries with Double Letters | 0 | - | 4.96 | 64,233 |
| Countries that End in N | 0 | - | 4.94 | 129,252 |
| Countries with Five Letters Quiz | 0 | - | 4.95 | 225,284 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 171,388 |
| Countries with W | 0 | - | 4.97 | 119,963 |
| Countries with Z | 0 | - | 4.98 | 239,838 |
| Countries with Letters Missing | 0 | - | 4.98 | 152,812 |
| Countries That End in U | 0 | - | 4.93 | 105,863 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 86,572 |
| Countries that End in O | 0 | - | 4.90 | 145,582 |
| Countries that End in R | 0 | - | 4.85 | 95,621 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,295 |
| Countries Ending in "IA" | 0 | - | 4.99 | 167,850 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 153,819 |
| Countries by Last Two Letters | 0 | - | 4.89 | 114,419 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 127,567 |
| Countries That End in Y | 0 | - | 4.89 | 160,257 |
| Countries Based on First Two Letters #1 | 0 | - | 4.98 | 158,204 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.88 | 118,783 |
| Countries that End in I | 0 | - | 4.90 | 113,698 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 147,079 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.97 | 86,887 |
| Countries That End in NIA | 0 | - | 4.91 | 99,621 |
| Countries That End in BIA | 0 | - | 4.91 | 124,401 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.91 | 151,094 |
| Countries Whose Names Start with Saint | 0 | - | 4.82 | 108,247 |
| Countries That End in RIA | 0 | - | 4.83 | 99,424 |
| Most Common Words in Official Country Names | 0 | - | 4.84 | 98,952 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 196,213 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 117,372 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 108,014 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 75,030 |
| Countries with a Unique Last Letter | 0 | - | 4.92 | 90,619 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 38,721 |
| Countries that End in L | 0 | - | 4.94 | 132,439 |
| "Land" Countries | 0 | - | 4.98 | 285,871 |
| "Stan" Countries Quiz | 0 | - | 4.96 | 186,122 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.97 | 64,918 |
| City to Country Quiz #1 | 0 | - | 4.93 | 133,068 |
| City to Country Quiz #3 | 0 | - | 4.85 | 98,882 |
| 45 European Countries, 45 Cities | 0 | - | 4.96 | 70,429 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 204,510 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 155,842 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 114,885 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 130,494 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 190,574 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 138,830 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.85 | 65,073 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.85 | 90,840 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,323 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 54,774 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 108,002 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 119,156 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 80,295 |
| Asian Countries with the Fewest Borders | 0 | - | 4.63 | 86,956 |
| Countries Bordering the EU | 0 | - | 4.53 | 52,633 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.96 | 57,666 |
