| Landlocked Countries Quiz | 0 | - | 4.99 | 330,348 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,417,123 |
| Top Olive Oil Producing Countries | 0 | - | 4.93 | 76,068 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 92,213 |
| Top Chocolate Growing Countries | 0 | - | 4.88 | 43,649 |
| Members of the Arab League | 0 | - | 4.85 | 64,754 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,030 |
| Himalayan Countries | 0 | - | 4.95 | 106,986 |
| Andean Countries | 0 | - | 4.91 | 59,504 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,574 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,320 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,687 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,573 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,875 |
| Danube Countries | 0 | - | 4.96 | 57,012 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,027 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,123 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,114 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,990 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,268 |
| European Landlocked Countries | 0 | - | 4.99 | 136,598 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,397 |
| Countries with the Most Species | 0 | - | 4.99 | 89,718 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,896 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,896 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,191 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,738 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,677 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,953 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,573 |
| Countries in the Alps | 0 | - | 4.84 | 103,376 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,976 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,487 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,991 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,048 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,533 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,021 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,178 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,520 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,548 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,112 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,877 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,835 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,883 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,226 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,387 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,950 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,523 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,704 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,784 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,756 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,263 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,607 |
| Largest Countries By Category | 0 | - | 4.97 | 145,830 |
| Countries by Countries | 0 | - | 4.96 | 55,204 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,129,828 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,494 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,999 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,018 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,197,305 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 16,988 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,214 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,592 |
| Island Countries Quiz | 0 | - | 4.99 | 665,267 |
| Biggest Countries by Area | 0 | - | 5.00 | 941,159 |
| Northernmost Countries | 0 | - | 4.99 | 329,501 |
| Countries of South America | 0 | - | 5.00 | 803,190 |
| Countries of Oceania | 0 | - | 5.00 | 905,219 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,594,983 |
| Countries with the Most Cultivated Land | 0 | - | 4.75 | 32,237 |
| Countries Producing the Most Bananas | 0 | - | 4.56 | 36,108 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,756 |
| Countries with Megacities | 0 | - | 4.99 | 200,032 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,585 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,076 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,132 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,061 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,816 |
| Countries by Official Language | 0 | - | 4.96 | 174,302 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,456 |
| Countries in their Native Language | 0 | - | 4.98 | 179,495 |
| Independence from Whom | 0 | - | 4.99 | 187,727 |
| Subdivisions by Country | 0 | - | 4.82 | 46,716 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,708 |
| Megadiverse Countries | 0 | - | 4.96 | 126,213 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,608 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,188 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,653 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,426 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,550 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 78,903 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,723 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,418 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,696 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,539 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,987 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,628 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,175 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,061 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,694 |
| Countries of the World in Alphabetical Order | 0 | - | 4.99 | 84,625 |
| World Map Quiz | 0 | - | 4.91 | 50,559 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 116,361 |
| Smallest Countries with at Least One Border | 0 | - | 4.89 | 82,217 |
| Southernmost Countries of the World | 0 | - | 4.99 | 208,664 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 91,988 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,236 |
| Countries With the Most Languages | 0 | - | 4.91 | 175,940 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,116 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,508 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,576 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,631 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,105 |
| Widest Countries East to West | 0 | - | 4.93 | 120,070 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,010 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 159,892 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,420 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,029 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,197 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,100 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,800 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,652 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,267 |
| Countries with Double Letters | 0 | - | 4.96 | 70,136 |
| Countries that End in N | 0 | - | 4.94 | 134,346 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 231,715 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,073 |
| Countries with W | 0 | - | 4.96 | 124,279 |
| Countries with Z | 0 | - | 4.98 | 246,389 |
| Countries with Letters Missing | 0 | - | 4.97 | 168,518 |
| Countries That End in U | 0 | - | 4.95 | 108,396 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 90,937 |
| Countries that End in O | 0 | - | 4.92 | 147,929 |
| Countries that End in R | 0 | - | 4.84 | 96,892 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,694 |
| Countries Ending in "IA" | 0 | - | 4.99 | 172,845 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,001 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,183 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 130,121 |
| Countries That End in Y | 0 | - | 4.90 | 162,043 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,148 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 121,824 |
| Countries that End in I | 0 | - | 4.92 | 114,897 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 150,703 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,001 |
| Countries That End in NIA | 0 | - | 4.93 | 101,416 |
| Countries That End in BIA | 0 | - | 4.91 | 126,805 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,376 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 110,447 |
| Countries That End in RIA | 0 | - | 4.90 | 101,524 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,180 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,106 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 120,809 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 111,881 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 78,494 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,271 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 97,543 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,325 |
| Countries with the Word "And" | 0 | - | 4.98 | 84,380 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 41,723 |
| Countries that End in L | 0 | - | 4.95 | 135,314 |
| "Land" Countries | 0 | - | 4.98 | 291,388 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 190,529 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,313 |
| City to Country Quiz #1 | 0 | - | 4.94 | 134,903 |
| City to Country Quiz #3 | 0 | - | 4.86 | 100,710 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 72,206 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 209,927 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 169,043 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,258 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 134,121 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 195,346 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 141,716 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,305 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 102,865 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,884 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,003 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,321,304 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,641 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,095,284 |
| One Border Countries | 0 | - | 4.98 | 412,991 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 31,441 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,436,949 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,873 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,977 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,903 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,918 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,503 |
| Countries by National Anthem | 0 | - | 4.95 | 62,047 |
| NATO Countries Quiz | 0 | - | 4.98 | 227,806 |
| EU Countries Quiz | 0 | - | 4.99 | 230,016 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 145,545 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 78,183 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,888 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 227,832 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 230,745 |
| German-Speaking Countries | 0 | - | 4.88 | 117,981 |
| Countries with Wild Tigers | 0 | - | 4.95 | 111,970 |
| Countries with Wild Penguins | 0 | - | 4.93 | 90,954 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 132,870 |
