| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,075 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 316,343 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,365,177 |
| Countries on the Equator | 0 | - | 4.82 | 131,566 |
| Members of the Arab League | 0 | - | 4.81 | 58,739 |
| Sahara Desert Countries | 0 | - | 4.97 | 124,849 |
| Himalayan Countries | 0 | - | 4.95 | 102,139 |
| Andean Countries | 0 | - | 4.90 | 56,728 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,546 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,474 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,769 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,441 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,628 |
| Danube Countries | 0 | - | 4.97 | 56,311 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,331 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,547 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,160 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,663 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,048 |
| European Landlocked Countries | 0 | - | 4.99 | 114,780 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,614 |
| Countries with the Most Species | 0 | - | 4.99 | 89,052 |
| Countries 197 to 205 | 0 | - | 4.87 | 55,686 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,398 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,767 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,663 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,048 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 58,403 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,588 |
| Countries in the Alps | 0 | - | 4.82 | 101,488 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,494 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,531 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,050 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,608 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,242 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,782 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 88,950 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,684 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,013 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,058 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,821 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,299 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,366 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,842 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,417 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,881 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,318 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,885 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,871 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 191,942 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,002 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,885 |
| Largest Countries By Category | 0 | - | 4.96 | 143,695 |
| Countries by Countries | 0 | - | 4.95 | 53,948 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,006,920 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,316 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 77,165 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 338,098 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 350,962 |
| Island Countries Quiz | 0 | - | 4.99 | 637,354 |
| Biggest Countries by Area | 0 | - | 5.00 | 923,097 |
| Northernmost Countries | 0 | - | 4.99 | 324,961 |
| Countries of South America | 0 | - | 5.00 | 781,819 |
| Countries of Oceania | 0 | - | 5.00 | 879,508 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,099,718 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,547,173 |
| Countries With the Most Expats | 0 | - | 4.72 | 46,567 |
| Countries with the Most Immigrants per Capita | 0 | - | 4.48 | 37,318 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,861 |
| Countries with Megacities | 0 | - | 4.99 | 194,293 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,052 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,652 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,409 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,519 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,566 |
| Countries by Official Language | 0 | - | 4.95 | 153,228 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 246,075 |
| Countries in their Native Language | 0 | - | 4.98 | 176,558 |
| Independence from Whom | 0 | - | 4.99 | 182,574 |
| Subdivisions by Country | 0 | - | 4.82 | 46,127 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 111,636 |
| Megadiverse Countries | 0 | - | 4.96 | 124,604 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 89,694 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 105,886 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 129,612 |
| Most Recently-Settled Countries | 0 | - | 4.91 | 48,538 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 76,409 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,194 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,415 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 40,918 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 42,687 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 100,723 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,257 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,439 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 67,820 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 64,651 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 79,649 |
| Smallest Countries with at Least One Border | 0 | - | 4.91 | 80,610 |
| Southernmost Countries of the World | 0 | - | 4.99 | 205,093 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 89,963 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 106,887 |
| Countries With the Most Languages | 0 | - | 4.90 | 171,200 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.92 | 86,462 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.85 | 70,729 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 85,286 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,179 |
| Tallest Countries North to South | 0 | - | 4.84 | 109,705 |
| Widest Countries East to West | 0 | - | 4.93 | 118,363 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,656 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 157,733 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,043 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 84,661 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 117,507 |
| Countries with the Most Desert | 0 | - | 4.92 | 104,399 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,225 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 31,799 |
| Countries with Double Letters | 0 | - | 4.96 | 66,335 |
| Countries that End in N | 0 | - | 4.94 | 130,734 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 227,218 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 185,021 |
| Countries with W | 0 | - | 4.97 | 121,050 |
| Countries with Z | 0 | - | 4.98 | 241,664 |
| Countries with Letters Missing | 0 | - | 4.97 | 154,226 |
| Countries That End in U | 0 | - | 4.94 | 106,534 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.96 | 87,921 |
| Countries that End in O | 0 | - | 4.92 | 146,176 |
| Countries that End in R | 0 | - | 4.85 | 95,962 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 146,745 |
| Countries Ending in "IA" | 0 | - | 4.99 | 169,246 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 154,692 |
| Countries by Last Two Letters | 0 | - | 4.90 | 115,437 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 128,365 |
| Countries That End in Y | 0 | - | 4.90 | 160,699 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 159,415 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 119,639 |
| Countries that End in I | 0 | - | 4.92 | 114,077 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 148,206 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 87,713 |
| Countries That End in NIA | 0 | - | 4.93 | 100,212 |
| Countries That End in BIA | 0 | - | 4.91 | 125,194 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.93 | 152,224 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 108,915 |
| Countries That End in RIA | 0 | - | 4.89 | 100,366 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 99,610 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 198,283 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 118,446 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 109,240 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 76,151 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 91,389 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 95,762 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 42,283 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 39,598 |
| Countries that End in L | 0 | - | 4.95 | 133,212 |
| "Land" Countries | 0 | - | 4.98 | 287,611 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 187,223 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.96 | 65,050 |
| City to Country Quiz #1 | 0 | - | 4.94 | 133,609 |
| City to Country Quiz #3 | 0 | - | 4.86 | 99,385 |
| 45 European Countries, 45 Cities | 0 | - | 4.94 | 70,997 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 205,908 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 156,774 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 115,556 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 131,437 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 191,768 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 139,827 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 65,369 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 91,383 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 81,811 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 55,299 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,300,190 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,149 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,028,952 |
| One Border Countries | 0 | - | 4.98 | 405,993 |
| Countries by Net Migration | 0 | - | 4.56 | 63,588 |
| Countries With One Word and Three A's | 0 | - | 4.83 | 30,107 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,348,501 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,204 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,106 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,081 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,400 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,286 |
| Countries by National Anthem | 0 | - | 4.94 | 61,583 |
| NATO Countries Quiz | 0 | - | 4.98 | 222,842 |
| EU Countries Quiz | 0 | - | 4.99 | 225,633 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 143,177 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 77,077 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,288 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 223,679 |
| Countries with Nuclear Weapons | 0 | - | 4.88 | 215,440 |
| German-Speaking Countries | 0 | - | 4.87 | 117,075 |
| Countries with Wild Tigers | 0 | - | 4.95 | 110,207 |
| Countries with Wild Penguins | 0 | - | 4.93 | 89,553 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 127,169 |
| Top Five Countries by Religion | 0 | - | 4.90 | 139,297 |
| Solve the Secret Country #2 | 0 | - | 4.91 | 85,758 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 80,904 |
| Olympic Host Countries | 0 | - | 4.98 | 160,094 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 97,550 |
| Anagram Chain - Countries | 0 | - | 4.98 | 95,203 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,640 |
