| Northernmost Countries | 0 | - | 4.99 | 339,956 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,597 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,467 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 114,952 |
| Countries With the Most Languages | 0 | - | 4.88 | 186,801 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,795 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,496 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,203 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,660 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,790 |
| Widest Countries East to West | 0 | - | 4.92 | 123,700 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,935 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,279 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,039 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,541 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 124,066 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,528 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,758 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,303 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,369,549 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 362,018 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 374,064 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,716 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,660,428 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 174,735 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 77,994 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 138,952 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 113,196 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 201,830 |
| Countries with the Most Borders | 0 | - | 4.97 | 371,047 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,562 |
| Himalayan Countries | 0 | - | 4.95 | 118,654 |
| Andean Countries | 0 | - | 4.92 | 66,469 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,562 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,121 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,408 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,184 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,878 |
| Danube Countries | 0 | - | 4.97 | 59,860 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,574 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,924 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,323 |
| Countries with the Worst Passports | 0 | - | 4.91 | 60,719 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,458 |
| European Landlocked Countries | 0 | - | 4.99 | 139,814 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,372 |
| Countries with the Most Species | 0 | - | 4.99 | 91,711 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,850 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,298 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,421 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,755 |
| Countries that Use the Peso | 0 | - | 4.83 | 48,901 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,336 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,777 |
| Countries in the Alps | 0 | - | 4.86 | 108,670 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,716 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 95,887 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,649 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,561 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,504 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 93,993 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,059 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,383 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 57,981 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,141 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,720 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,588 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,366 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,082 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,722 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,043 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,140 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,093 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,043 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,697 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,440 |
| Largest Countries By Category | 0 | - | 4.97 | 150,027 |
| Countries by Countries | 0 | - | 4.96 | 57,754 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,336,394 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,218 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,337 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,860 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,409,842 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 213,045 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 158,459 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 162,238 |
| Coldest Countries | 0 | - | 4.97 | 130,749 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.81 | 53,233 |
| Countries by Airline Passengers | 0 | - | 4.92 | 51,227 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 98,113 |
| Countries with the Most Nobel Prizes | 0 | - | 4.86 | 86,770 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 79,001 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 356,848 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 377,787 |
| Island Countries Quiz | 0 | - | 4.99 | 685,647 |
| Countries of South America | 0 | - | 5.00 | 849,034 |
| Countries of Oceania | 0 | - | 5.00 | 959,830 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,699,210 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 183,839 |
| Top 10 Diamond Producing Countries | 0 | - | 4.46 | 32,359 |
| Countries Producing the Most Oranges | 0 | - | 4.75 | 48,063 |
| Countries with the Longest Perimeter | 0 | - | 4.78 | 85,869 |
| Poorest Countries with Exceptions | 0 | - | 4.73 | 126,030 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 45,589 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 44,225 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 60,794 |
| Countries by Wealth per Capita | 0 | - | 4.62 | 74,818 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.46 | 85,720 |
| Countries with the Lowest Murder Rate | 0 | - | 4.64 | 73,602 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,226,783 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,381 |
| Countries with Megacities | 0 | - | 4.99 | 214,099 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,225 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,887 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 105,408 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,617 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,192 |
| Countries by Official Language | 0 | - | 4.95 | 182,105 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 279,132 |
| Countries in their Native Language | 0 | - | 4.98 | 187,037 |
| Independence from Whom | 0 | - | 4.99 | 197,456 |
| Subdivisions by Country | 0 | - | 4.86 | 48,163 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 121,904 |
| Megadiverse Countries | 0 | - | 4.96 | 129,831 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 119,603 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,164 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,084 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 153,995 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,825 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 84,914 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,327 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,584 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,099 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,720 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,144 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,308 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,670 |
| Straight Shot to the Arctic Circle | 0 | - | 4.90 | 71,561 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 67,950 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 95,617 |
| World Map Quiz | 0 | - | 4.88 | 56,265 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 131,205 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,789 |
| Countries with Double Letters | 0 | - | 4.96 | 79,934 |
| Countries that End in N | 0 | - | 4.93 | 144,171 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 243,003 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,372 |
| Countries with W | 0 | - | 4.97 | 131,850 |
| Countries with Z | 0 | - | 4.98 | 273,496 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,156 |
| Countries That End in U | 0 | - | 4.95 | 113,217 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,646 |
| Countries that End in O | 0 | - | 4.92 | 152,918 |
| Countries that End in R | 0 | - | 4.84 | 99,385 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,056 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,245 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,235 |
| Countries by Last Two Letters | 0 | - | 4.89 | 121,009 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,527 |
| Countries That End in Y | 0 | - | 4.91 | 181,164 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,685 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,478 |
| Countries that End in I | 0 | - | 4.92 | 116,976 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,134 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,483 |
| Countries That End in NIA | 0 | - | 4.92 | 104,497 |
| Countries That End in BIA | 0 | - | 4.92 | 141,542 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,037 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 113,932 |
| Countries That End in RIA | 0 | - | 4.89 | 104,849 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,011 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 212,938 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 126,027 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 117,702 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 83,700 |
| Add A Letter - Make a Country | 0 | - | 4.80 | 70,677 |
| Countries With One Word and Three A's | 0 | - | 4.93 | 47,807 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 96,880 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,015 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 45,701 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 46,613 |
| Countries that End in L | 0 | - | 4.94 | 150,968 |
| "Land" Countries | 0 | - | 4.98 | 298,364 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 195,734 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,718 |
| City to Country Quiz #1 | 0 | - | 4.95 | 138,156 |
| City to Country Quiz #3 | 0 | - | 4.87 | 103,059 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 74,792 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 217,668 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 191,236 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 121,432 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 139,432 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 214,260 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 146,128 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,400 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 105,378 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,563 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,269 |
| One Border Countries | 0 | - | 4.98 | 436,401 |
