| Biggest Countries by Area | 0 | - | 4.99 | 1,042,618 |
| Northernmost Countries | 0 | - | 4.99 | 359,061 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,947 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,605 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,324 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,535 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,190 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,389 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,572 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,112 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,595 |
| Widest Countries East to West | 0 | - | 4.92 | 129,093 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,306 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,575 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,918 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,918 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,302 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,978 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,657 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,020 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,617 |
| Landlocked Countries | 0 | - | 4.99 | 416,014 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,247 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,114,108 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,219 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,349 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,892 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,437 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 207,516 |
| Countries with the Most Borders | 0 | - | 4.97 | 386,869 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,601 |
| Himalayan Countries | 0 | - | 4.95 | 136,228 |
| Andean Countries | 0 | - | 4.95 | 83,314 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,598 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,814 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,302 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,923 |
| Danube Countries | 0 | - | 4.97 | 71,332 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,110 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,787 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,016 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,970 |
| European Landlocked Countries | 0 | - | 4.99 | 146,048 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,657 |
| Countries with the Most Species | 0 | - | 4.99 | 97,150 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,795 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,296 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,471 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,113 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,760 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,129 |
| Countries in the Alps | 0 | - | 4.86 | 117,248 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,836 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,748 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,209 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,662 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,538 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,204 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,904 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,949 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,749 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,282 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,323 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,181 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,673 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,936 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,942 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,606 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,849 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,384 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,128 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,664 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,412 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,780 |
| Largest Countries By Category | 0 | - | 4.97 | 157,170 |
| Countries by Countries | 0 | - | 4.96 | 62,527 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,784 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,059 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,031 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,736,176 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 17,992 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,889 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,450 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,496 |
| Coldest Countries | 0 | - | 4.97 | 138,013 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,376 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,902 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,391 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,285 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,480 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,382 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,527 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,236 |
| Island Countries | 0 | - | 4.99 | 708,594 |
| Countries of South America | 0 | - | 5.00 | 918,792 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,604 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,547 |
| "Land" Countries | 0 | - | 4.98 | 334,273 |
| Lowest Fertility Countries | 0 | - | 4.41 | 97,443 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 189,253 |
| Top 10 Diamond Producing Countries | 0 | - | 4.47 | 33,149 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 88,868 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,357 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 131,069 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,354 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 44,954 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 63,084 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 78,898 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 102,450 |
| Countries with the Lowest Murder Rate | 0 | - | 4.63 | 77,258 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,875 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,114 |
| Countries with Megacities | 0 | - | 4.99 | 248,621 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,986 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,459 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,364 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,414 |
| Countries by Official Language | 0 | - | 4.95 | 193,781 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,272 |
| Countries in their Native Language | 0 | - | 4.99 | 197,434 |
| Independence from Whom | 0 | - | 4.99 | 210,396 |
| Subdivisions by Country | 0 | - | 4.86 | 50,169 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,216 |
| Megadiverse Countries | 0 | - | 4.96 | 134,497 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,640 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,056 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,594 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,934 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,069 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,176 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,472 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,503 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,333 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,065 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,555 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,650 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,622 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,826 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,162 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,348 |
| World Map Quiz | 0 | - | 4.81 | 63,938 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,035 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,648 |
| Countries with Double Letters | 0 | - | 4.96 | 93,817 |
| Countries that End in N | 0 | - | 4.94 | 157,252 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,213 |
| Countries with Six Letters | 0 | - | 4.93 | 210,848 |
| Countries with W | 0 | - | 4.97 | 158,504 |
| Countries with Z | 0 | - | 4.98 | 288,399 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,854 |
| Countries That End in U | 0 | - | 4.95 | 119,665 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,001 |
| Countries that End in O | 0 | - | 4.92 | 158,696 |
| Countries that End in R | 0 | - | 4.87 | 118,414 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,967 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,567 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,633 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,721 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,288 |
| Countries That End in Y | 0 | - | 4.90 | 185,325 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,738 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,997 |
| Countries that End in I | 0 | - | 4.94 | 134,594 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,595 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,357 |
| Countries That End in NIA | 0 | - | 4.92 | 109,222 |
| Countries That End in BIA | 0 | - | 4.93 | 148,456 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,340 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,704 |
| Countries That End in RIA | 0 | - | 4.93 | 126,258 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,249 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,916 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,767 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,125 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,673 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,072 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,357 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,877 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,763 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,942 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,430 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,097 |
| Countries that End in L | 0 | - | 4.94 | 156,208 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,552 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,038 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,677 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,511 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,575 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,181 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,731 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,131 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,751 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,173 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 151,995 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,851 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,272 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,488 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,474 |
| One Border Countries | 0 | - | 4.98 | 466,116 |
