| Biggest Countries by Area | 0 | - | 4.99 | 1,043,363 |
| Northernmost Countries | 0 | - | 4.99 | 359,387 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,060 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,667 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,396 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,712 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,267 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,461 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,628 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,149 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,637 |
| Widest Countries East to West | 0 | - | 4.92 | 129,139 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,329 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,648 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,921 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,959 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,979 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,359 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,100 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,675 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,961 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,851 |
| Landlocked Countries | 0 | - | 4.99 | 416,673 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,330 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,164,847 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,272 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,376 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,933 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,606 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 207,568 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,054 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,943 |
| Himalayan Countries | 0 | - | 4.95 | 136,507 |
| Andean Countries | 0 | - | 4.95 | 83,493 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,756 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,008 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,427 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,030 |
| Danube Countries | 0 | - | 4.97 | 71,431 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,217 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,850 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,158 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,126 |
| European Landlocked Countries | 0 | - | 4.99 | 146,130 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,765 |
| Countries with the Most Species | 0 | - | 4.99 | 101,616 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,899 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,329 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,510 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,161 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,809 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,192 |
| Countries in the Alps | 0 | - | 4.86 | 117,326 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,904 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,897 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,253 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,741 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,824 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,255 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,987 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,994 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,807 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,331 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,367 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,203 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,730 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,998 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,005 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,717 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,896 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,430 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,248 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,013 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,569 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,829 |
| Largest Countries By Category | 0 | - | 4.97 | 157,257 |
| Countries by Countries | 0 | - | 4.96 | 62,593 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,872 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,081 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,085 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,672 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 17,999 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,973 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,508 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,584 |
| Coldest Countries | 0 | - | 4.97 | 138,074 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,407 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,975 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,445 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,315 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,507 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,853 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,834 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,794 |
| Island Countries | 0 | - | 4.99 | 708,814 |
| Countries of South America | 0 | - | 5.00 | 919,692 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,685 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,796 |
| "Land" Countries | 0 | - | 4.98 | 334,608 |
| Lowest Fertility Countries | 0 | - | 4.41 | 97,476 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 189,319 |
| Top 10 Diamond Producing Countries | 0 | - | 4.47 | 33,158 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 88,918 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,372 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 131,119 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,359 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 44,965 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 63,116 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 78,938 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 102,493 |
| Countries with the Lowest Murder Rate | 0 | - | 4.63 | 77,289 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,489 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,276 |
| Countries with Megacities | 0 | - | 4.99 | 248,948 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,129 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,544 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,484 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,502 |
| Countries by Official Language | 0 | - | 4.95 | 194,010 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,544 |
| Countries in their Native Language | 0 | - | 4.99 | 197,635 |
| Independence from Whom | 0 | - | 4.99 | 210,807 |
| Subdivisions by Country | 0 | - | 4.86 | 50,197 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,331 |
| Megadiverse Countries | 0 | - | 4.96 | 134,541 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,832 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,075 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,628 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,948 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,441 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,213 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,585 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,548 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,371 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,807 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,162 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,579 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,686 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,642 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,859 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,202 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,567 |
| World Map Quiz | 0 | - | 4.81 | 64,093 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,387 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,696 |
| Countries with Double Letters | 0 | - | 4.96 | 94,129 |
| Countries that End in N | 0 | - | 4.95 | 165,645 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,579 |
| Countries with Six Letters | 0 | - | 4.93 | 211,134 |
| Countries with W | 0 | - | 4.97 | 158,806 |
| Countries with Z | 0 | - | 4.98 | 288,753 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,026 |
| Countries That End in U | 0 | - | 4.95 | 119,912 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,155 |
| Countries that End in O | 0 | - | 4.92 | 158,861 |
| Countries that End in R | 0 | - | 4.87 | 118,509 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,284 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,747 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,731 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,809 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,373 |
| Countries That End in Y | 0 | - | 4.90 | 185,420 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,828 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,089 |
| Countries that End in I | 0 | - | 4.94 | 134,667 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,688 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,408 |
| Countries That End in NIA | 0 | - | 4.92 | 109,295 |
| Countries That End in BIA | 0 | - | 4.93 | 148,564 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,423 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,768 |
| Countries That End in RIA | 0 | - | 4.93 | 126,345 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,330 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,075 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,867 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,204 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,781 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,141 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,435 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,939 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,832 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,997 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,201 |
| Countries that End in L | 0 | - | 4.94 | 156,289 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,882 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,067 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,711 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,562 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,613 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,317 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,806 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,322 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,820 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,247 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,046 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,869 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,294 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,522 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,518 |
| One Border Countries | 0 | - | 4.98 | 466,404 |
