| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,757 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 82,002 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 318,981 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,580 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,570,899 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 84,735 |
| Top Rice-Producing Countries | 0 | - | 4.94 | 79,582 |
| Top Chocolate Growing Countries | 0 | - | 4.88 | 43,117 |
| Countries on the Equator | 0 | - | 4.83 | 133,372 |
| Members of the Arab League | 0 | - | 4.83 | 59,870 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,555 |
| Himalayan Countries | 0 | - | 4.95 | 102,943 |
| Andean Countries | 0 | - | 4.90 | 57,215 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 58,058 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,683 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,040 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,650 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,843 |
| Danube Countries | 0 | - | 4.97 | 56,411 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,451 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,648 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,547 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,916 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,553 |
| European Landlocked Countries | 0 | - | 4.99 | 114,903 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,891 |
| Countries with the Most Species | 0 | - | 4.99 | 89,119 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,955 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,500 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,859 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,854 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,182 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,505 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,781 |
| Countries in the Alps | 0 | - | 4.83 | 102,011 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,804 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,085 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,213 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,843 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,500 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,170 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,189 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,849 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,119 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,272 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,016 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,387 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,473 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,084 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,597 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,087 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,913 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,036 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,046 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 193,684 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,738 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,029 |
| Largest Countries By Category | 0 | - | 4.96 | 144,093 |
| Countries by Countries | 0 | - | 4.96 | 54,218 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,031,129 |
| Country Flags with the Most White | 0 | - | 4.90 | 118,099 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,453 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,555 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 339,085 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 352,586 |
| Island Countries Quiz | 0 | - | 4.99 | 639,705 |
| Biggest Countries by Area | 0 | - | 5.00 | 926,673 |
| Northernmost Countries | 0 | - | 4.99 | 325,717 |
| Countries of South America | 0 | - | 5.00 | 785,649 |
| Countries of Oceania | 0 | - | 5.00 | 884,616 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,118,742 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,556,512 |
| Top 10 Countries with the Most Volcanoes | 0 | - | 4.55 | 72,765 |
| Top 10 Countries with the Most Time Zones | 0 | - | 4.64 | 121,823 |
| Top 10 Most Protestant European Countries | 0 | - | 4.49 | 33,897 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,499 |
| Countries with Megacities | 0 | - | 4.99 | 195,262 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,902 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 97,081 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,996 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,942 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,719 |
| Countries by Official Language | 0 | - | 4.95 | 153,745 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 247,288 |
| Countries in their Native Language | 0 | - | 4.98 | 177,253 |
| Independence from Whom | 0 | - | 4.99 | 184,138 |
| Subdivisions by Country | 0 | - | 4.82 | 46,251 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 112,555 |
| Megadiverse Countries | 0 | - | 4.96 | 124,891 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,252 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 106,122 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,177 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,284 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 48,842 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,114 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,428 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,608 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,137 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,190 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,914 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,592 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,544 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,131 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,856 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 80,653 |
| World Map Quiz | 0 | - | 4.90 | 48,359 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,927 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,637 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,297 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,263 |
| Countries With the Most Languages | 0 | - | 4.90 | 172,013 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,694 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 71,027 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,670 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,428 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,977 |
| Widest Countries East to West | 0 | - | 4.93 | 118,853 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,722 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,091 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,179 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,933 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,274 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,676 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,307 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,906 |
| Countries with Double Letters | 0 | - | 4.96 | 67,326 |
| Countries that End in N | 0 | - | 4.94 | 131,782 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 228,518 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,051 |
| Countries with W | 0 | - | 4.97 | 121,984 |
| Countries with Z | 0 | - | 4.98 | 243,193 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,874 |
| Countries That End in U | 0 | - | 4.94 | 107,183 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 88,627 |
| Countries that End in O | 0 | - | 4.92 | 146,557 |
| Countries that End in R | 0 | - | 4.86 | 96,235 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,978 |
| Countries Ending in "IA" | 0 | - | 4.99 | 170,306 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,086 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,760 |
| Countries by First and Last Letter #2 | 0 | - | 4.94 | 128,701 |
| Countries That End in Y | 0 | - | 4.90 | 161,365 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,890 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 120,058 |
| Countries that End in I | 0 | - | 4.92 | 114,249 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,706 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,942 |
| Countries That End in NIA | 0 | - | 4.93 | 100,455 |
| Countries That End in BIA | 0 | - | 4.91 | 125,522 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,571 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 109,217 |
| Countries That End in RIA | 0 | - | 4.89 | 100,578 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,917 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 199,197 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,911 |
| Divided Country Name Puzzle #3 | 0 | - | 4.93 | 109,735 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,607 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,698 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 96,120 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,496 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,996 |
| Countries that End in L | 0 | - | 4.95 | 133,533 |
| "Land" Countries | 0 | - | 4.98 | 288,213 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 188,013 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,100 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,896 |
| City to Country Quiz #3 | 0 | - | 4.86 | 99,864 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 71,217 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 206,699 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 162,985 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 115,898 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 131,924 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 192,398 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 140,218 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 65,574 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,304,409 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,937 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,041,936 |
| One Border Countries | 0 | - | 4.98 | 407,244 |
| Countries With One Word and Three A's | 0 | - | 4.84 | 30,355 |
| Countries that Eat the Most Fish | 0 | - | 4.24 | 66,763 |
| Top 10 Countries with the Most Fishermen | 0 | - | 4.33 | 43,131 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,366,015 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,550 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,816 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,394 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,576 |
| Countries by National Anthem | 0 | - | 4.94 | 61,687 |
| NATO Countries Quiz | 0 | - | 4.98 | 224,106 |
| EU Countries Quiz | 0 | - | 4.99 | 226,526 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 143,882 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 77,262 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,786 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 224,718 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 216,384 |
| German-Speaking Countries | 0 | - | 4.88 | 117,230 |
| Countries with Wild Tigers | 0 | - | 4.95 | 110,431 |
| Countries with Wild Penguins | 0 | - | 4.93 | 89,781 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 128,225 |
| Top Five Countries by Religion | 0 | - | 4.91 | 140,505 |
