| Northernmost Countries | 0 | - | 4.99 | 360,122 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,349 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,843 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,561 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,109 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,443 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,620 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,764 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,221 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,222 |
| Widest Countries East to West | 0 | - | 4.92 | 129,290 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,368 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,861 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,974 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,458 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,136 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,479 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,207 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,712 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,171 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,436 |
| Landlocked Countries | 0 | - | 4.99 | 418,120 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,561 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,278,167 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,415 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,451 |
| Countries Producing the Most Oranges | 0 | - | 4.81 | 51,372 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,042 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,962 |
| Countries with the Highest Life Expectancy | 0 | - | 4.90 | 207,726 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,652 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,578 |
| Himalayan Countries | 0 | - | 4.94 | 137,073 |
| Andean Countries | 0 | - | 4.95 | 83,753 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,999 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,377 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,670 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,245 |
| Danube Countries | 0 | - | 4.97 | 71,571 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,428 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,978 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,499 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,553 |
| European Landlocked Countries | 0 | - | 4.99 | 146,678 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,008 |
| Countries with the Most Species | 0 | - | 4.99 | 102,772 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,150 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,394 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,556 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,254 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,924 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,306 |
| Countries in the Alps | 0 | - | 4.87 | 117,571 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,046 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,209 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,364 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,900 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,013 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,389 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,174 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,119 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,921 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,483 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,441 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,300 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,864 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,126 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,151 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,014 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,002 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,525 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,419 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,924 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,041 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,932 |
| Largest Countries By Category | 0 | - | 4.97 | 157,519 |
| Countries by Countries | 0 | - | 4.96 | 62,766 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,099 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,133 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,250 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,751,853 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 18,010 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,632 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,697 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,805 |
| Coldest Countries | 0 | - | 4.97 | 138,224 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,507 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,149 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,632 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,406 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,584 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,262 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,377 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,692 |
| Island Countries | 0 | - | 4.99 | 709,415 |
| Countries of South America | 0 | - | 5.00 | 921,913 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,774 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,902 |
| "Land" Countries | 0 | - | 4.98 | 335,604 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 189,488 |
| Top 10 Diamond Producing Countries | 0 | - | 4.47 | 33,181 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 89,015 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,403 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 131,266 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,378 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 45,008 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 63,184 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 79,053 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 102,613 |
| Countries with the Lowest Murder Rate | 0 | - | 4.63 | 77,409 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,903 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,738 |
| Countries with Megacities | 0 | - | 4.99 | 249,899 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,579 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,823 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,895 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,817 |
| Countries by Official Language | 0 | - | 4.95 | 194,486 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,329 |
| Countries in their Native Language | 0 | - | 4.99 | 198,055 |
| Independence from Whom | 0 | - | 4.99 | 211,157 |
| Subdivisions by Country | 0 | - | 4.86 | 50,256 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,581 |
| Megadiverse Countries | 0 | - | 4.96 | 134,710 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,177 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,149 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,709 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,992 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,628 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,325 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,854 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,780 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,452 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,941 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,727 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,669 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,909 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,741 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,075 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,282 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,973 |
| World Map Quiz | 0 | - | 4.81 | 64,389 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,177 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,952 |
| Countries with Double Letters | 0 | - | 4.97 | 94,945 |
| Countries that End in N | 0 | - | 4.95 | 169,618 |
| Countries with Five Letters | 0 | - | 4.96 | 278,900 |
| Countries with Six Letters | 0 | - | 4.94 | 212,288 |
| Countries with W | 0 | - | 4.97 | 159,406 |
| Countries with Z | 0 | - | 4.98 | 289,627 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,619 |
| Countries That End in U | 0 | - | 4.95 | 120,355 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,635 |
| Countries that End in O | 0 | - | 4.92 | 159,149 |
| Countries that End in R | 0 | - | 4.87 | 118,688 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,471 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,188 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,023 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,027 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,609 |
| Countries That End in Y | 0 | - | 4.90 | 185,605 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,126 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,333 |
| Countries that End in I | 0 | - | 4.94 | 134,823 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,973 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,537 |
| Countries That End in NIA | 0 | - | 4.92 | 109,458 |
| Countries That End in BIA | 0 | - | 4.93 | 148,774 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,629 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,989 |
| Countries That End in RIA | 0 | - | 4.93 | 126,467 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,564 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,495 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,118 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,460 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,023 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,273 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,607 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,164 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,050 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,160 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,741 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,447 |
| Countries that End in L | 0 | - | 4.94 | 156,486 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,704 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,142 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,798 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,669 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,721 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,624 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,041 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,540 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,014 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,493 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,500 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,924 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.80 | 108,340 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,574 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,610 |
| One Border Countries | 0 | - | 4.98 | 467,273 |
