| Solve the Secret Country #1 | 0 | - | 4.95 | 135,378 |
| Solve the Secret Country #2 | 0 | - | 4.90 | 92,690 |
| Anagram Chain - Countries | 0 | - | 4.99 | 99,724 |
| Countries but all Vowels are Changed to O | 0 | - | 4.85 | 38,357 |
| Solve the Secret Country #3 | 0 | - | 4.97 | 47,603 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,832,723 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,257 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,950,905 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 389,676 |
| Countries with Four Letters | 0 | - | 4.99 | 378,910 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,181,184 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,235,061 |
| Members of the Arab League | 0 | - | 4.86 | 66,606 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,756 |
| Himalayan Countries | 0 | - | 4.94 | 108,697 |
| Andean Countries | 0 | - | 4.91 | 60,385 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,559 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,976 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,607 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,923 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,357 |
| Danube Countries | 0 | - | 4.96 | 57,283 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,280 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,342 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,839 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,511 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,167 |
| European Landlocked Countries | 0 | - | 4.99 | 137,288 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,922 |
| Countries with the Most Species | 0 | - | 4.99 | 90,088 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,455 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,062 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,353 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,142 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 159,773 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,933 |
| Top Five Countries By Category #3 | 0 | - | 4.86 | 145,095 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,167 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 50,002 |
| Countries in the Alps | 0 | - | 4.84 | 103,985 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,561 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,777 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,366 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,475 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,993 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,424 |
| Country Chain | 0 | - | 4.96 | 200,187 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,647 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,833 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,747 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,486 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,248 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,077 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,065 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,666 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,750 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,323 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,811 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 62,025 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,120 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 203,243 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,684 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,893 |
| Largest Countries By Category | 0 | - | 4.97 | 146,568 |
| Countries by Emojis | 0 | - | 4.99 | 210,066 |
| Countries by Countries | 0 | - | 4.95 | 55,703 |
| Countries With One Word And Two O's | 0 | - | 4.91 | 36,115 |
| Country Flags with the Most White | 0 | - | 4.91 | 126,689 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,262 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,764 |
| Islands by Country #1 | 0 | - | 4.87 | 165,056 |
| Regions of Countries #1 | 0 | - | 4.97 | 151,117 |
| Regions of Countries #2 | 0 | - | 4.95 | 115,833 |
| Regions of Countries #3 | 0 | - | 4.84 | 84,581 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 185,940 |
| Name a Valid Country #3 | 0 | - | 4.98 | 213,847 |
| Name a Valid Country #1 | 0 | - | 4.99 | 233,166 |
| Name a Valid Country #2 | 0 | - | 4.98 | 199,288 |
| Name a Valid Country #4 | 0 | - | 4.97 | 206,564 |
| Name a Valid Country #5 | 0 | - | 4.99 | 164,551 |
| Name a Valid Country #6 | 0 | - | 4.94 | 103,910 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,487 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,256 |
| Island Countries Quiz | 0 | - | 4.99 | 669,360 |
| Biggest Countries by Area | 0 | - | 5.00 | 948,827 |
| Northernmost Countries | 0 | - | 4.99 | 331,187 |
| Countries of South America | 0 | - | 5.00 | 811,463 |
| Countries of Oceania | 0 | - | 5.00 | 915,366 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,614,737 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 165,814 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 79,784 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,420 |
| Countries with the Most McDonald's Locations | 0 | - | 4.84 | 104,801 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 81,989 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.90 | 88,519 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 288,691 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 211,355 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 201,887 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 171,941 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 108,344 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 96,385 |
| Random Countries by Borders | 0 | - | 4.99 | 67,605 |
| Random Name a Valid Country | 0 | - | 4.99 | 175,352 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,287 |
| Countries with Megacities | 0 | - | 4.99 | 202,177 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,650 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,102 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,449 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,051 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,487 |
| Countries by Official Language | 0 | - | 4.96 | 175,431 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,836 |
| Countries in their Native Language | 0 | - | 4.98 | 180,801 |
| Independence from Whom | 0 | - | 4.99 | 189,660 |
| Subdivisions by Country | 0 | - | 4.85 | 46,936 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,841 |
| Megadiverse Countries | 0 | - | 4.96 | 126,886 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,106 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,670 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,863 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,472 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,965 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,791 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,103 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,773 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,881 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,203 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,326 |
| Countries Furthest from the United States | 0 | - | 4.94 | 73,014 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,560 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,454 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,085 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,890 |
| World Map Quiz | 0 | - | 4.90 | 51,639 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 118,968 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,833 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,967 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,942 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,319 |
| Countries With the Most Languages | 0 | - | 4.90 | 178,060 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,772 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,182 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 88,411 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,186 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,679 |
| Widest Countries East to West | 0 | - | 4.93 | 120,650 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,141 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,686 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,898 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,468 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,941 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,755 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,586 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,821 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,442 |
| Countries with Double Letters | 0 | - | 4.96 | 72,367 |
| Countries that End in N | 0 | - | 4.94 | 136,636 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,425 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 191,020 |
| Countries with W | 0 | - | 4.96 | 126,120 |
| Countries with Z | 0 | - | 4.98 | 265,151 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,992 |
| Countries That End in U | 0 | - | 4.95 | 109,710 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,761 |
| Countries that End in O | 0 | - | 4.92 | 148,883 |
| Countries that End in R | 0 | - | 4.85 | 97,463 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,413 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,475 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,879 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,821 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,761 |
| Countries That End in Y | 0 | - | 4.92 | 177,051 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,154 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,573 |
| Countries that End in I | 0 | - | 4.92 | 115,294 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,788 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,470 |
| Countries That End in NIA | 0 | - | 4.92 | 101,911 |
| Countries That End in BIA | 0 | - | 4.91 | 127,433 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,300 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 111,079 |
| Countries That End in RIA | 0 | - | 4.90 | 101,997 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 101,892 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,951 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,785 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,950 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,488 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 36,213 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,941 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,283 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,769 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,633 |
| Countries that End in L | 0 | - | 4.95 | 135,975 |
| "Land" Countries | 0 | - | 4.98 | 292,532 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 191,409 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,934 |
| City to Country Quiz #1 | 0 | - | 4.95 | 135,453 |
| City to Country Quiz #3 | 0 | - | 4.87 | 101,134 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,713 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 211,296 |
