| Biggest Countries by Area | 0 | - | 5.00 | 1,054,649 |
| Northernmost Countries | 0 | - | 4.99 | 363,964 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,242 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,078 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,558 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,561 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,426 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,528 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,726 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,688 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,706 |
| Widest Countries East to West | 0 | - | 4.92 | 130,454 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,598 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,254 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,515 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,062 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,966 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,484 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,502 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,890 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,044 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,470 |
| Landlocked Countries | 0 | - | 4.99 | 425,784 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,645 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,874,339 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 181,197 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,855 |
| Countries Producing the Most Oranges | 0 | - | 4.82 | 51,969 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 145,249 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,799 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 208,566 |
| Countries with the Most Borders | 0 | - | 4.97 | 390,565 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,228 |
| Himalayan Countries | 0 | - | 4.93 | 140,215 |
| Andean Countries | 0 | - | 4.94 | 85,434 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,585 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,975 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,146 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,421 |
| Danube Countries | 0 | - | 4.97 | 72,379 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,579 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,829 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,107 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,594 |
| European Landlocked Countries | 0 | - | 4.99 | 147,599 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,291 |
| Countries with the Most Species | 0 | - | 4.99 | 103,557 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,399 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,775 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,883 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,838 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,575 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,009 |
| Countries in the Alps | 0 | - | 4.87 | 118,767 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,618 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,848 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,959 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,020 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,944 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,245 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,390 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,857 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,416 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,176 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,863 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,739 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,553 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,780 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,884 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,824 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,604 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 69,624 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,662 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,690 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,124 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,500 |
| Largest Countries By Category | 0 | - | 4.97 | 158,854 |
| Countries by Countries | 0 | - | 4.96 | 63,638 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,255 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,400 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,101 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,077 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 18,204 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,805 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,654 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,922 |
| Coldest Countries | 0 | - | 4.97 | 139,397 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,958 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.95 | 73,009 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,424 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 91,025 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 83,056 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,367 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,676 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,664 |
| Island Countries | 0 | - | 4.99 | 712,544 |
| Countries of South America | 0 | - | 5.00 | 932,597 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,249 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,054 |
| "Land" Countries | 0 | - | 4.98 | 338,367 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 190,517 |
| Top 10 Diamond Producing Countries | 0 | - | 4.47 | 33,292 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 89,548 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,584 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 131,947 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,482 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 45,124 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 63,535 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 79,577 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 103,208 |
| Countries with the Lowest Murder Rate | 0 | - | 4.62 | 78,018 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,532 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,135 |
| Countries with Megacities | 0 | - | 4.99 | 267,078 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,828 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,125 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,145 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,231 |
| Countries by Official Language | 0 | - | 4.95 | 195,987 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,617 |
| Countries in their Native Language | 0 | - | 4.99 | 199,730 |
| Independence from Whom | 0 | - | 4.99 | 213,053 |
| Subdivisions by Country | 0 | - | 4.87 | 50,615 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,429 |
| Megadiverse Countries | 0 | - | 4.96 | 135,275 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,938 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,538 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,654 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,228 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,991 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,848 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,106 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,569 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,041 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,254 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,520 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,376 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,442 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,142 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,579 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,843 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,348 |
| World Map Quiz | 0 | - | 4.81 | 65,723 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,222 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,712 |
| Countries with Double Letters | 0 | - | 4.96 | 97,070 |
| Countries that End in N | 0 | - | 4.95 | 171,924 |
| Countries with Five Letters | 0 | - | 4.96 | 283,756 |
| Countries with Six Letters | 0 | - | 4.94 | 214,464 |
| Countries with W | 0 | - | 4.96 | 160,928 |
| Countries with Z | 0 | - | 4.98 | 292,440 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,283 |
| Countries That End in U | 0 | - | 4.95 | 121,188 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,102 |
| Countries that End in O | 0 | - | 4.92 | 160,214 |
| Countries that End in R | 0 | - | 4.87 | 119,183 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,936 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,824 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,150 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,827 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,756 |
| Countries That End in Y | 0 | - | 4.91 | 186,088 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,451 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,273 |
| Countries that End in I | 0 | - | 4.94 | 135,314 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,619 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,057 |
| Countries That End in NIA | 0 | - | 4.92 | 110,051 |
| Countries That End in BIA | 0 | - | 4.93 | 149,574 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,536 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,772 |
| Countries That End in RIA | 0 | - | 4.93 | 127,053 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,392 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,586 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,184 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,623 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,172 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,806 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,327 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,537 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,904 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,650 |
| Countries with the Word "And" | 0 | - | 4.99 | 117,725 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,419 |
| Countries that End in L | 0 | - | 4.94 | 157,129 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 218,004 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,343 |
| City to Country Quiz #1 | 0 | - | 4.97 | 157,510 |
| City to Country Quiz #3 | 0 | - | 4.88 | 119,993 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,446 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 250,427 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 201,138 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,433 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 164,259 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,970 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 153,210 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,238 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,829 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 63,245 |
| One Border Countries | 0 | - | 4.98 | 471,923 |
