| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,187 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,517 |
| Northernmost Countries | 0 | - | 4.99 | 358,142 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,208 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,491 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,079 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,697 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,552 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,328 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,071 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,008 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,986 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,171 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,375 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,003 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,419 |
| Widest Countries East to West | 0 | - | 4.92 | 128,892 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,248 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,331 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,603 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,752 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,700 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,127 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 72,692 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,613 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,382 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,963 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,420 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,804,244 |
| European Countries with One Border | 0 | - | 4.97 | 181,758 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,655 |
| Random Countries by Borders | 0 | - | 4.99 | 81,744 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,030 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,983,692 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,050 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,244 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,718 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,040 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 207,322 |
| Landlocked Countries | 0 | - | 4.99 | 414,388 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,621 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,237 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,252 |
| Coldest Countries | 0 | - | 4.97 | 137,328 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,283 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,674 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,173 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 17,961 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,392 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,156 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,966 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,705 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,425 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 59,998 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,914 |
| Himalayan Countries | 0 | - | 4.95 | 135,632 |
| Andean Countries | 0 | - | 4.94 | 82,980 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,336 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,385 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,038 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,715 |
| Danube Countries | 0 | - | 4.97 | 71,158 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,863 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,615 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,647 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,557 |
| European Landlocked Countries | 0 | - | 4.99 | 145,857 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,322 |
| Countries with the Most Species | 0 | - | 4.99 | 95,288 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,474 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,226 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,396 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,005 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,642 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,008 |
| Countries in the Alps | 0 | - | 4.86 | 116,951 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,656 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,414 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,078 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,488 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,266 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,070 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,669 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,823 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,559 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,129 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,223 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,088 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,515 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,809 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,812 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,233 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,721 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,300 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,875 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,711 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,926 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,668 |
| Largest Countries By Category | 0 | - | 4.97 | 156,886 |
| Countries by Countries | 0 | - | 4.96 | 62,339 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,843 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,802 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,061 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,915 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,407 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,221 |
| Island Countries | 0 | - | 4.99 | 707,915 |
| Countries of South America | 0 | - | 5.00 | 916,108 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,220 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,028 |
| "Land" Countries | 0 | - | 4.98 | 333,859 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,525 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,724 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,802 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,239 |
| Lowest Fertility Countries | 0 | - | 4.41 | 97,349 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 189,043 |
| Top 10 Diamond Producing Countries | 0 | - | 4.47 | 33,117 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 88,756 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,314 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 130,911 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,322 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 44,922 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 63,013 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 78,791 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 102,288 |
| Countries with the Lowest Murder Rate | 0 | - | 4.63 | 77,128 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,633 |
| Countries with Megacities | 0 | - | 4.99 | 247,587 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,473 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,209 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,885 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,133 |
| Countries by Official Language | 0 | - | 4.95 | 192,942 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,360 |
| Countries in their Native Language | 0 | - | 4.99 | 196,790 |
| Independence from Whom | 0 | - | 4.99 | 209,896 |
| Subdivisions by Country | 0 | - | 4.86 | 50,103 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,896 |
| Megadiverse Countries | 0 | - | 4.97 | 133,965 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,954 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,955 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,468 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,877 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,760 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,055 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,183 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,220 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,251 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,761 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,739 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,455 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,552 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,537 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,729 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,063 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,813 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,414 |
| Countries with Double Letters | 0 | - | 4.96 | 93,540 |
| Countries that End in N | 0 | - | 4.94 | 157,025 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,851 |
| Countries with Six Letters | 0 | - | 4.93 | 210,524 |
| Countries with W | 0 | - | 4.97 | 158,327 |
| Countries with Z | 0 | - | 4.98 | 288,054 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,648 |
| Countries That End in U | 0 | - | 4.95 | 119,576 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,728 |
| Countries that End in O | 0 | - | 4.92 | 158,609 |
| Countries that End in R | 0 | - | 4.87 | 118,324 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,891 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,254 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,443 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,569 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,111 |
| Countries That End in Y | 0 | - | 4.90 | 185,248 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,493 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,792 |
| Countries that End in I | 0 | - | 4.94 | 134,485 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,324 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,243 |
| Countries That End in NIA | 0 | - | 4.92 | 109,062 |
| Countries That End in BIA | 0 | - | 4.92 | 147,777 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,160 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,565 |
| Countries That End in RIA | 0 | - | 4.93 | 126,140 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,097 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,470 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,593 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,962 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,451 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,968 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,197 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,720 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,851 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,900 |
| Countries that End in L | 0 | - | 4.94 | 156,061 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,657 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,005 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,564 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,360 |
