| Countries of the World Quiz | 0 | - | 5.00 | 41,830,647 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 363,234 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,557 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,576 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,397 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 118,955 |
| Countries with the Most Airports | 0 | - | 4.96 | 83,127 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 106,319 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 97,272 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 335,227 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,180,919 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,234,893 |
| Members of the Arab League | 0 | - | 4.86 | 66,598 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,747 |
| Himalayan Countries | 0 | - | 4.94 | 108,685 |
| Andean Countries | 0 | - | 4.91 | 60,376 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,551 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,970 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,601 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,915 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,355 |
| Danube Countries | 0 | - | 4.96 | 57,279 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,279 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,342 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,836 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,509 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,164 |
| European Landlocked Countries | 0 | - | 4.99 | 137,287 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,919 |
| Countries with the Most Species | 0 | - | 4.99 | 90,087 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,454 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,062 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,350 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,141 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,933 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,167 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 50,000 |
| Countries in the Alps | 0 | - | 4.84 | 103,982 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,554 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,770 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,365 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,471 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,991 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,422 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,645 |
| 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 | 55,483 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,245 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,075 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,063 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,663 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,749 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,321 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,802 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 62,022 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,119 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 203,220 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,683 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,891 |
| Largest Countries By Category | 0 | - | 4.97 | 146,566 |
| Countries by Countries | 0 | - | 4.95 | 55,700 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 83,123 |
| Country Flags with the Most White | 0 | - | 4.91 | 126,686 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,261 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,760 |
| Countries by Airline Passengers | 0 | - | 4.91 | 49,819 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 128,745 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.94 | 56,982 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 58,993 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 345,477 |
| Island Countries Quiz | 0 | - | 4.99 | 669,334 |
| Biggest Countries by Area | 0 | - | 5.00 | 948,790 |
| Northernmost Countries | 0 | - | 4.99 | 331,181 |
| Countries of South America | 0 | - | 5.00 | 811,429 |
| Countries of Oceania | 0 | - | 5.00 | 915,331 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,614,650 |
| Largest Countries with Little Tourism | 0 | - | 4.71 | 55,865 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 96,382 |
| Five Most Guessed Countries by Continent | 0 | - | 4.96 | 156,851 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 179,693 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,997 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,277 |
| Countries with Megacities | 0 | - | 4.99 | 202,169 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,641 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,099 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,445 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,048 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,478 |
| Countries by Official Language | 0 | - | 4.96 | 175,422 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,820 |
| Countries in their Native Language | 0 | - | 4.98 | 180,793 |
| Independence from Whom | 0 | - | 4.99 | 189,649 |
| Subdivisions by Country | 0 | - | 4.85 | 46,936 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,833 |
| Megadiverse Countries | 0 | - | 4.96 | 126,885 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 94,102 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,667 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,861 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,469 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,964 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,788 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,102 |
| 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 | 45,197 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,326 |
| Countries Furthest from the United States | 0 | - | 4.94 | 73,008 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,557 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,453 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,084 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,882 |
| World Map Quiz | 0 | - | 4.90 | 51,635 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 118,954 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,831 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,962 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,940 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 110,316 |
| Countries With the Most Languages | 0 | - | 4.90 | 178,052 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,768 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 73,181 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 88,406 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 55,182 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,675 |
| Widest Countries East to West | 0 | - | 4.93 | 120,649 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,140 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,682 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,896 |
| 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 | 86,938 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,750 |
| Countries with the Most Desert | 0 | - | 4.92 | 106,583 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,821 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,441 |
| Countries with Double Letters | 0 | - | 4.96 | 72,321 |
| Countries that End in N | 0 | - | 4.94 | 136,603 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 234,382 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 190,997 |
| Countries with W | 0 | - | 4.96 | 126,095 |
| Countries with Z | 0 | - | 4.98 | 265,124 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,966 |
| Countries That End in U | 0 | - | 4.95 | 109,691 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 92,729 |
| Countries that End in O | 0 | - | 4.92 | 148,871 |
| Countries that End in R | 0 | - | 4.85 | 97,456 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 148,409 |
| Countries Ending in "IA" | 0 | - | 4.99 | 174,465 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,870 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,815 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,755 |
| Countries That End in Y | 0 | - | 4.92 | 176,962 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 163,148 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 122,543 |
| Countries that End in I | 0 | - | 4.92 | 115,293 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,783 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,467 |
| Countries That End in NIA | 0 | - | 4.92 | 101,907 |
| Countries That End in BIA | 0 | - | 4.91 | 127,427 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 155,295 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 111,077 |
| Countries That End in RIA | 0 | - | 4.90 | 101,991 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 101,885 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 204,892 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 121,769 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 112,935 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 79,478 |
| Countries With One Word and Three A's | 0 | - | 4.87 | 34,568 |
| Countries with a Unique Last Letter | 0 | - | 4.91 | 93,936 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 98,281 |
| Countries that are Free from U.S.A. | 0 | - | 4.90 | 43,768 |
| Countries with the Word "And" | 0 | - | 4.98 | 85,195 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 42,628 |
| Countries that End in L | 0 | - | 4.95 | 135,971 |
| "Land" Countries | 0 | - | 4.98 | 292,524 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 191,407 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 82,934 |
| City to Country Quiz #1 | 0 | - | 4.95 | 135,450 |
| City to Country Quiz #3 | 0 | - | 4.87 | 101,132 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 72,707 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 211,293 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 171,170 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 117,931 |
| Five Smallest Countries by Continent | 0 | - | 4.97 | 135,036 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 196,589 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 142,670 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 66,665 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.84 | 103,393 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 83,333 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.93 | 57,451 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,330,285 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,696 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,121,414 |
| One Border Countries | 0 | - | 4.98 | 416,172 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.98 | 106,709 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,475,368 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.25 | 77,584 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,701 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,327 |
| Countries by National Anthem | 0 | - | 4.95 | 68,738 |
| NATO Countries Quiz | 0 | - | 4.98 | 241,832 |
