| Landlocked Countries Quiz | 0 | - | 4.99 | 396,771 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,441,261 |
| Sahara Desert Countries | 0 | - | 4.98 | 152,532 |
| Himalayan Countries | 0 | - | 4.95 | 128,259 |
| Andean Countries | 0 | - | 4.93 | 72,256 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,384 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 117,721 |
| Coffee Producing Countries | 0 | - | 4.84 | 62,758 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 61,845 |
| Danube Countries | 0 | - | 4.97 | 62,507 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 99,147 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,524 |
| Countries with the Worst Passports | 0 | - | 4.93 | 78,022 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 142,954 |
| European Landlocked Countries | 0 | - | 4.99 | 143,289 |
| Partially Recognized Countries | 0 | - | 4.98 | 101,324 |
| Countries with the Most Species | 0 | - | 4.99 | 93,718 |
| Countries 197 to 205 | 0 | - | 4.88 | 66,218 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,398 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,582 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,617 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,127 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,203 |
| Countries in the Alps | 0 | - | 4.87 | 113,639 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,457 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 101,208 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,636 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 92,959 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,865 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,317 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,036 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,186 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 49,040 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,230 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,165 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,987 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,702 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,179 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,115 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 112,662 |
| Countries with the Most Climate Zones | 0 | - | 4.94 | 66,082 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,918 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,714 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 229,811 |
| World Countries - Blind Typing | 0 | - | 5.00 | 99,960 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,289 |
| Largest Countries By Category | 0 | - | 4.97 | 153,674 |
| Countries by Countries | 0 | - | 4.96 | 60,123 |
| Country Flags with the Most White | 0 | - | 4.86 | 134,366 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,233 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,616 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,489,768 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,579,134 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 365,372 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 390,321 |
| Island Countries Quiz | 0 | - | 4.99 | 699,179 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,014,685 |
| Northernmost Countries | 0 | - | 4.99 | 347,439 |
| Countries of South America | 0 | - | 5.00 | 885,931 |
| Countries of Oceania | 0 | - | 5.00 | 1,004,242 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,781,434 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,277 |
| Countries with Megacities | 0 | - | 4.99 | 225,297 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,582 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,805 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,561 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 76,325 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 308,644 |
| Countries by Official Language | 0 | - | 4.95 | 188,008 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 287,087 |
| Countries in their Native Language | 0 | - | 4.98 | 191,953 |
| Independence from Whom | 0 | - | 4.99 | 204,557 |
| Subdivisions by Country | 0 | - | 4.85 | 49,269 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 126,947 |
| Megadiverse Countries | 0 | - | 4.97 | 132,049 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 125,507 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,970 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,152 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,134 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,825 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,770 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,703 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 89,815 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,836 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,402 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,867 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 71,271 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,747 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,969 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,429 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,185 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,595 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,309,517 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 102,992 |
| World Map Quiz | 0 | - | 4.83 | 60,414 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 143,109 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 88,693 |
| Southernmost Countries of the World | 0 | - | 4.99 | 222,085 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 101,426 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 119,088 |
| Countries With the Most Languages | 0 | - | 4.89 | 194,079 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 106,776 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 90,878 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,095 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,612 |
| Tallest Countries North to South | 0 | - | 4.83 | 117,582 |
| Widest Countries East to West | 0 | - | 4.92 | 126,554 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,676 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 182,575 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,506 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,051 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 145,057 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,067 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,541 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,066 |
| Countries with Double Letters | 0 | - | 4.97 | 87,841 |
| Countries that End in N | 0 | - | 4.93 | 151,271 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 252,272 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 205,323 |
| Countries with W | 0 | - | 4.97 | 153,869 |
| Countries with Z | 0 | - | 4.98 | 281,406 |
| Countries with Letters Missing | 0 | - | 4.97 | 180,471 |
| Countries That End in U | 0 | - | 4.95 | 116,986 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 104,624 |
| Countries that End in O | 0 | - | 4.92 | 156,408 |
| Countries that End in R | 0 | - | 4.83 | 101,288 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,194 |
| Countries Ending in "IA" | 0 | - | 4.99 | 202,226 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 166,345 |
| Countries by Last Two Letters | 0 | - | 4.88 | 132,371 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 138,326 |
| Countries That End in Y | 0 | - | 4.91 | 183,704 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 193,112 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 148,918 |
| Countries that End in I | 0 | - | 4.92 | 118,511 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 178,906 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,763 |
| Countries That End in NIA | 0 | - | 4.92 | 107,319 |
| Countries That End in BIA | 0 | - | 4.92 | 145,511 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 163,311 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 116,506 |
| Countries That End in RIA | 0 | - | 4.92 | 124,284 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,845 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 219,978 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 129,676 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 121,792 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 87,540 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,545 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 50,270 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 100,364 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 122,047 |
| Countries that are Free from U.S.A. | 0 | - | 4.88 | 47,511 |
| Countries with the Word "And" | 0 | - | 4.98 | 92,008 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 50,182 |
| Countries that End in L | 0 | - | 4.94 | 153,674 |
| "Land" Countries | 0 | - | 4.98 | 303,030 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 200,557 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,422 |
| City to Country Quiz #1 | 0 | - | 4.96 | 153,001 |
| City to Country Quiz #3 | 0 | - | 4.88 | 106,939 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,926 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 223,319 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 195,382 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,814 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 159,148 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 219,356 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 149,177 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,626 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,702 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,483 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,772 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,403,013 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,325 |
| One Border Countries | 0 | - | 4.97 | 451,230 |
| Top Producing Countries | 0 | - | 4.63 | 114,994 |
| Country Codes Quiz | 0 | - | 4.45 | 81,347 |
| Countries on the Equator | 0 | - | 4.69 | 138,855 |
| Members of the Arab League | 0 | - | 4.78 | 75,059 |
| Countries with the Oldest Median Age | 0 | - | 4.80 | 68,773 |
| Separatist Movements | 0 | - | 4.44 | 45,039 |
| Countries with the Best Passports | 0 | - | 4.75 | 82,969 |
| Prime Meridian Countries | 0 | - | 4.69 | 59,190 |
| Next Country Alphabetically | 0 | - | 4.70 | 84,511 |
| Westernmost Countries | 0 | - | 4.50 | 49,064 |
| Easternmost Countries | 0 | - | 4.74 | 62,150 |
| Countries With the Most ISIS Fighters | 0 | - | 4.54 | 38,985 |
| Top 10 Most Famous Island Countries | 0 | - | 4.69 | 106,112 |
| Atlantic Ocean Island Countries | 0 | - | 4.56 | 64,241 |
| Countries With the Most Conflict Deaths | 0 | - | 4.63 | 94,988 |
| Highest Foreign Aid Recipients | 0 | - | 4.64 | 43,620 |
| Pacific Ocean Island Countries | 0 | - | 4.49 | 56,595 |
| Countries with the Most Traffic-Related Deaths | 0 | - | 4.74 | 47,689 |
| Countries with the Lowest Obesity Rate | 0 | - | 4.47 | 52,686 |
| Countries that are the Source of Refugees | 0 | - | 4.69 | 59,717 |
| Countries 206 to 242 | 0 | - | 4.70 | 33,164 |
| Most Populous Countries By Category | 0 | - | 4.56 | 83,773 |
| Countries with the Most Turkic People | 0 | - | 4.74 | 44,706 |
| Countries Most-Mentioned by the New York Times, 1900–2018 | 0 | - | 4.74 | 60,435 |
| Flyover Countries | 0 | - | 4.64 | 49,878 |
| Top 50 Countries by Area - In Order | 0 | - | 4.70 | 71,968 |
