| Northernmost Countries | 0 | - | 4.99 | 360,126 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,350 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,847 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,564 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,115 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,445 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,621 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,766 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,221 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,223 |
| Widest Countries East to West | 0 | - | 4.92 | 129,298 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,368 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,865 |
| 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 | 94,460 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,136 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,480 |
| 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 | 1,442,190 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,447 |
| Landlocked Countries | 0 | - | 4.99 | 418,133 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,565 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,279,485 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,417 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,453 |
| Countries Producing the Most Oranges | 0 | - | 4.81 | 51,373 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,042 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,965 |
| Countries with the Highest Life Expectancy | 0 | - | 4.90 | 207,729 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,660 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,585 |
| Himalayan Countries | 0 | - | 4.94 | 137,080 |
| Andean Countries | 0 | - | 4.95 | 83,757 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,002 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,380 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,676 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,246 |
| Danube Countries | 0 | - | 4.97 | 71,574 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,430 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,981 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,503 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,558 |
| European Landlocked Countries | 0 | - | 4.99 | 146,678 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,010 |
| Countries with the Most Species | 0 | - | 4.99 | 102,776 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,152 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,394 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,256 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,926 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,306 |
| Countries in the Alps | 0 | - | 4.87 | 117,572 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,047 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,220 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,364 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,903 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,013 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,391 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,177 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,122 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,923 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,485 |
| 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 | 103,865 |
| 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 | 118,017 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,003 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,526 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,420 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,933 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,044 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,933 |
| Largest Countries By Category | 0 | - | 4.97 | 157,519 |
| Countries by Countries | 0 | - | 4.96 | 62,768 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,100 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,134 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,252 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,751,944 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 18,010 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,633 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,704 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,806 |
| Coldest Countries | 0 | - | 4.97 | 138,226 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,509 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,150 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,634 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,407 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,585 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,273 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,379 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,704 |
| Island Countries | 0 | - | 4.99 | 709,420 |
| Countries of South America | 0 | - | 5.00 | 921,945 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,785 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,945 |
| "Land" Countries | 0 | - | 4.98 | 335,608 |
| 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 | 89,016 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,403 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 131,267 |
| 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 | 79,055 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 102,614 |
| Countries with the Lowest Murder Rate | 0 | - | 4.63 | 77,411 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,945 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,743 |
| Countries with Megacities | 0 | - | 4.99 | 249,911 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,586 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,827 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,901 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,820 |
| Countries by Official Language | 0 | - | 4.95 | 194,493 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,332 |
| Countries in their Native Language | 0 | - | 4.99 | 198,055 |
| Independence from Whom | 0 | - | 4.99 | 211,158 |
| Subdivisions by Country | 0 | - | 4.86 | 50,257 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,586 |
| Megadiverse Countries | 0 | - | 4.96 | 134,712 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,178 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,150 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,710 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,994 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,629 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,326 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,858 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,780 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,453 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,943 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,736 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,669 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,912 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,742 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,078 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,282 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,980 |
| World Map Quiz | 0 | - | 4.81 | 64,390 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,184 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,953 |
| Countries with Double Letters | 0 | - | 4.97 | 94,951 |
| Countries that End in N | 0 | - | 4.95 | 169,634 |
| Countries with Five Letters | 0 | - | 4.96 | 278,945 |
| Countries with Six Letters | 0 | - | 4.94 | 212,296 |
| Countries with W | 0 | - | 4.97 | 159,408 |
| Countries with Z | 0 | - | 4.98 | 289,633 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,623 |
| Countries That End in U | 0 | - | 4.95 | 120,358 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,642 |
| Countries that End in O | 0 | - | 4.92 | 159,150 |
| Countries that End in R | 0 | - | 4.87 | 118,690 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,472 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,191 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,025 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,029 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,611 |
| Countries That End in Y | 0 | - | 4.90 | 185,606 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,127 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,333 |
| Countries that End in I | 0 | - | 4.94 | 134,825 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,974 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,537 |
| Countries That End in NIA | 0 | - | 4.92 | 109,461 |
| Countries That End in BIA | 0 | - | 4.93 | 148,776 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,631 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,991 |
| Countries That End in RIA | 0 | - | 4.93 | 126,469 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,564 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,503 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,120 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,460 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,024 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,273 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,612 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,164 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,051 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,161 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,741 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,448 |
| Countries that End in L | 0 | - | 4.94 | 156,489 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,707 |
| 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 | 118,672 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,723 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,627 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,044 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,541 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,014 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,495 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,501 |
| 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 | 62,611 |
| One Border Countries | 0 | - | 4.98 | 467,288 |
