| Country Name Etymologies #2 | 0 | - | 4.96 | 73,897 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,679,789 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 374,319 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,337,999 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,411,966 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,678 |
| Himalayan Countries | 0 | - | 4.95 | 118,762 |
| Andean Countries | 0 | - | 4.92 | 66,528 |
| Countries with the Oldest Median Age | 0 | - | 4.83 | 67,618 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,155 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,470 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,211 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,905 |
| Danube Countries | 0 | - | 4.97 | 59,891 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,594 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,945 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,394 |
| Countries with the Worst Passports | 0 | - | 4.92 | 60,863 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,554 |
| European Landlocked Countries | 0 | - | 4.99 | 139,833 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,415 |
| Countries with the Most Species | 0 | - | 4.99 | 91,731 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,891 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,310 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,430 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,786 |
| Countries that Use the Peso | 0 | - | 4.84 | 48,923 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,349 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,795 |
| Countries in the Alps | 0 | - | 4.86 | 108,703 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,747 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 95,927 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,669 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,591 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,544 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,137 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,026 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,084 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,399 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,003 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,152 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,736 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,608 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,385 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,098 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,744 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,104 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,164 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,110 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,153 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,778 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,456 |
| Largest Countries By Category | 0 | - | 4.97 | 150,063 |
| Countries by Countries | 0 | - | 4.96 | 57,771 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,263 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,346 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,033 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,899 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 356,941 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 377,896 |
| Island Countries Quiz | 0 | - | 4.99 | 685,806 |
| Biggest Countries by Area | 0 | - | 5.00 | 980,030 |
| Northernmost Countries | 0 | - | 4.99 | 340,022 |
| Countries of South America | 0 | - | 5.00 | 849,558 |
| Countries of Oceania | 0 | - | 5.00 | 960,391 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,700,107 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,227,710 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 71,608 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 155,476 |
| Countries with Megacities | 0 | - | 4.99 | 214,497 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 184,286 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 104,927 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 105,466 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 71,655 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 266,283 |
| Countries by Official Language | 0 | - | 4.95 | 182,179 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.90 | 279,402 |
| Countries in their Native Language | 0 | - | 4.98 | 187,104 |
| Independence from Whom | 0 | - | 4.99 | 197,532 |
| Subdivisions by Country | 0 | - | 4.86 | 48,176 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 121,951 |
| Megadiverse Countries | 0 | - | 4.96 | 129,869 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 119,850 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 110,180 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 49,092 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 154,038 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 58,846 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 84,958 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 148,352 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 79,599 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,110 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 64,805 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,160 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,326 |
| Countries with the Highest HDI | 0 | - | 4.95 | 133,691 |
| Straight Shot to the Arctic Circle | 0 | - | 4.89 | 71,576 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 67,965 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 95,715 |
| World Map Quiz | 0 | - | 4.88 | 56,314 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 131,325 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 85,823 |
| Southernmost Countries of the World | 0 | - | 4.99 | 216,642 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 97,485 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 114,983 |
| Countries With the Most Languages | 0 | - | 4.88 | 186,876 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 91,804 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 87,533 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 92,224 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 57,685 |
| Tallest Countries North to South | 0 | - | 4.85 | 114,814 |
| Widest Countries East to West | 0 | - | 4.92 | 123,722 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,941 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,300 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,053 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 89,563 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 124,105 |
| Countries with the Most Desert | 0 | - | 4.93 | 122,550 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,773 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 33,317 |
| Countries with Double Letters | 0 | - | 4.96 | 79,992 |
| Countries that End in N | 0 | - | 4.93 | 144,225 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 243,065 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 198,430 |
| Countries with W | 0 | - | 4.97 | 131,888 |
| Countries with Z | 0 | - | 4.98 | 273,566 |
| Countries with Letters Missing | 0 | - | 4.97 | 175,182 |
| Countries That End in U | 0 | - | 4.95 | 113,244 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 98,678 |
| Countries that End in O | 0 | - | 4.92 | 152,936 |
| Countries that End in R | 0 | - | 4.84 | 99,394 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,404 |
| Countries Ending in "IA" | 0 | - | 4.99 | 196,286 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 162,261 |
| Countries by Last Two Letters | 0 | - | 4.89 | 121,046 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 134,558 |
| Countries That End in Y | 0 | - | 4.91 | 181,179 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 187,738 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 126,516 |
| Countries that End in I | 0 | - | 4.92 | 116,986 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 157,177 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 91,501 |
| Countries That End in NIA | 0 | - | 4.92 | 104,527 |
| Countries That End in BIA | 0 | - | 4.92 | 141,580 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 160,060 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 113,954 |
| Countries That End in RIA | 0 | - | 4.89 | 104,861 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,037 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 212,994 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 126,061 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 117,740 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 83,742 |
| Countries With One Word and Three A's | 0 | - | 4.93 | 47,828 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 96,900 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 119,049 |
| Countries that are Free from U.S.A. | 0 | - | 4.87 | 45,724 |
| Countries with the Word "And" | 0 | - | 4.98 | 88,890 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 46,631 |
| Countries that End in L | 0 | - | 4.94 | 150,999 |
| "Land" Countries | 0 | - | 4.98 | 298,392 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 195,769 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 83,720 |
| City to Country Quiz #1 | 0 | - | 4.95 | 138,393 |
| City to Country Quiz #3 | 0 | - | 4.87 | 103,115 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 74,822 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 217,704 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 191,268 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 121,460 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 139,454 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.92 | 214,304 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 146,145 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 68,407 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 105,390 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 84,573 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 59,295 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,369,955 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 362,082 |
| One Border Countries | 0 | - | 4.98 | 438,026 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,596,096 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 80,865 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 255,484 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 114,755 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,003 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 87,015 |
| Countries by National Anthem | 0 | - | 4.93 | 69,587 |
| NATO Countries Quiz | 0 | - | 4.98 | 255,423 |
| EU Countries Quiz | 0 | - | 4.99 | 250,769 |
| Recently Independent Countries Quiz | 0 | - | 4.98 | 150,820 |
| French-Speaking Countries | 0 | - | 4.85 | 253,788 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 80,162 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,540 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 263,233 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 245,438 |
| German-Speaking Countries | 0 | - | 4.88 | 120,474 |
| Countries with Wild Tigers | 0 | - | 4.97 | 130,242 |
| Countries with Wild Penguins | 0 | - | 4.93 | 94,731 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 145,644 |
| Top Five Countries by Religion | 0 | - | 4.91 | 155,213 |
| Solve the Secret Country #2 | 0 | - | 4.88 | 101,404 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.93 | 103,763 |
| Olympic Host Countries | 0 | - | 4.98 | 187,489 |
