| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,993 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,381 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,962 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,762 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,485,043 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 103,076 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 213,200 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 178,585 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 69,272 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.97 | 63,076 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.90 | 53,775 |
| Countries on the Equator | 0 | - | 4.82 | 132,693 |
| Members of the Arab League | 0 | - | 4.82 | 59,364 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,203 |
| Himalayan Countries | 0 | - | 4.95 | 102,546 |
| Andean Countries | 0 | - | 4.90 | 56,978 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,826 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,598 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,920 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,565 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,758 |
| Danube Countries | 0 | - | 4.97 | 56,367 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,416 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,606 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,377 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,807 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,419 |
| European Landlocked Countries | 0 | - | 4.99 | 114,852 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,787 |
| Countries with the Most Species | 0 | - | 4.99 | 89,091 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,859 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,451 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,827 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,774 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,137 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,467 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,703 |
| Countries in the Alps | 0 | - | 4.82 | 101,861 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,670 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,847 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,136 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,751 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,391 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,088 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,070 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,772 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,079 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,184 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,927 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,340 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,422 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,006 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,516 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,005 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,664 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,963 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,975 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,891 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,454 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,978 |
| Largest Countries By Category | 0 | - | 4.96 | 143,937 |
| Countries by Countries | 0 | - | 4.96 | 54,110 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,021,225 |
| Country Flags with the Most White | 0 | - | 4.90 | 107,717 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,391 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,379 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,954 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,677 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 351,945 |
| Island Countries Quiz | 0 | - | 4.99 | 638,931 |
| Biggest Countries by Area | 0 | - | 5.00 | 925,160 |
| Northernmost Countries | 0 | - | 4.99 | 325,393 |
| Countries of South America | 0 | - | 5.00 | 784,098 |
| Countries of Oceania | 0 | - | 5.00 | 882,570 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,110,972 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,552,715 |
| Countries With the Most Neighbors | 0 | - | 4.44 | 84,814 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,225 |
| Countries with Megacities | 0 | - | 4.99 | 194,894 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,569 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,907 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,766 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,755 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,221 |
| Countries by Official Language | 0 | - | 4.95 | 153,559 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,897 |
| Countries in their Native Language | 0 | - | 4.98 | 177,050 |
| Independence from Whom | 0 | - | 4.99 | 183,729 |
| Subdivisions by Country | 0 | - | 4.82 | 46,189 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 112,211 |
| Megadiverse Countries | 0 | - | 4.96 | 124,789 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,035 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,035 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,139 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,135 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,745 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,855 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,345 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,520 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,945 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,841 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,497 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,761 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,201 |
| World Map Quiz | 0 | - | 4.90 | 48,176 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 110,779 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,793 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,384 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,140 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,098 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,669 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,585 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,903 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,503 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,335 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,867 |
| Widest Countries East to West | 0 | - | 4.93 | 118,749 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,686 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,934 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,113 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,817 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,732 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,548 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,270 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,868 |
| Countries with Double Letters | 0 | - | 4.96 | 67,024 |
| Countries that End in N | 0 | - | 4.94 | 131,475 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,939 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,732 |
| Countries with W | 0 | - | 4.97 | 121,753 |
| Countries with Z | 0 | - | 4.98 | 242,569 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,674 |
| Countries That End in U | 0 | - | 4.94 | 107,009 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,389 |
| Countries that End in O | 0 | - | 4.92 | 146,426 |
| Countries that End in R | 0 | - | 4.86 | 96,136 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,894 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,655 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,923 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,625 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,550 |
| Countries That End in Y | 0 | - | 4.90 | 160,832 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,704 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,882 |
| Countries that End in I | 0 | - | 4.92 | 114,182 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,491 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,839 |
| Countries That End in NIA | 0 | - | 4.93 | 100,349 |
| Countries That End in BIA | 0 | - | 4.91 | 125,400 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,425 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,083 |
| Countries That End in RIA | 0 | - | 4.89 | 100,495 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,791 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,809 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,700 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 109,501 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,430 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,584 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 95,970 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,412 |
| Countries with the Word "And" | 0 | - | 4.98 | 82,628 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,847 |
| Countries that End in L | 0 | - | 4.95 | 133,407 |
| "Land" Countries | 0 | - | 4.98 | 287,976 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 187,835 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,082 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,796 |
| City to Country Quiz #3 | 0 | - | 4.86 | 99,774 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,127 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 206,307 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 157,520 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 115,723 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 131,657 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 192,079 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,009 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,446 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,687 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,906 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,575 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,302,624 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,636 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,036,695 |
| One Border Countries | 0 | - | 4.98 | 406,756 |
| Countries With One Word and Three A's | 0 | - | 4.84 | 30,239 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,359,187 |
| Countries Closest to the Equator A-Z | 0 | - | 4.56 | 34,474 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,398 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,525 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,270 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,507 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,445 |
| Nearest Capital City #1 | 0 | - | 4.81 | 52,207 |
| World Capitals by Proximity | 0 | - | 4.87 | 284,579 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,584 |
| Countries by National Anthem | 0 | - | 4.94 | 61,643 |
| NATO Countries Quiz | 0 | - | 4.98 | 223,773 |
| EU Countries Quiz | 0 | - | 4.99 | 226,206 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 143,659 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 77,196 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,598 |
