| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,188 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,547 |
| Northernmost Countries | 0 | - | 4.99 | 358,153 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,208 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,497 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,081 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,699 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,563 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,349 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,078 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,015 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,992 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,179 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,382 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,006 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,426 |
| Widest Countries East to West | 0 | - | 4.92 | 128,926 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,248 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,338 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,606 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,756 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,703 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,135 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 73,003 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,616 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,413 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,976 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,424 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,804,309 |
| European Countries with One Border | 0 | - | 4.97 | 181,762 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,658 |
| Random Countries by Borders | 0 | - | 4.99 | 81,744 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,037 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,985,486 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,052 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,244 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,720 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,049 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 207,325 |
| Landlocked Countries | 0 | - | 4.99 | 414,413 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,622 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,242 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,257 |
| Coldest Countries | 0 | - | 4.97 | 137,331 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,284 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 71,679 |
| 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 | 82,393 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,305 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,968 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,705 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,427 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 59,999 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,924 |
| Himalayan Countries | 0 | - | 4.95 | 135,637 |
| Andean Countries | 0 | - | 4.94 | 82,987 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,342 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,393 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,044 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,716 |
| Danube Countries | 0 | - | 4.97 | 71,159 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,868 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,616 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,656 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,561 |
| European Landlocked Countries | 0 | - | 4.99 | 145,860 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,326 |
| Countries with the Most Species | 0 | - | 4.99 | 95,289 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,477 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,228 |
| 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 | 72,644 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,010 |
| Countries in the Alps | 0 | - | 4.86 | 116,954 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,657 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,419 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,081 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,491 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,269 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,070 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,671 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,824 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,563 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,130 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,224 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,088 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,518 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,810 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,815 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,236 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,721 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,301 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,877 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,730 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,931 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,672 |
| Largest Countries By Category | 0 | - | 4.97 | 156,889 |
| Countries by Countries | 0 | - | 4.96 | 62,340 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,843 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,803 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,065 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,936 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,413 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,230 |
| Island Countries | 0 | - | 4.99 | 707,923 |
| Countries of South America | 0 | - | 5.00 | 916,142 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,259 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,133 |
| "Land" Countries | 0 | - | 4.98 | 333,866 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,586 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,725 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,805 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,240 |
| Lowest Fertility Countries | 0 | - | 4.41 | 97,351 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 189,048 |
| 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 | 32,315 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 130,913 |
| 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 | 63,015 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 78,795 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 102,290 |
| Countries with the Lowest Murder Rate | 0 | - | 4.63 | 77,130 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,641 |
| Countries with Megacities | 0 | - | 4.99 | 247,600 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,484 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,212 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,892 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,139 |
| Countries by Official Language | 0 | - | 4.95 | 192,946 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,367 |
| Countries in their Native Language | 0 | - | 4.99 | 196,796 |
| Independence from Whom | 0 | - | 4.99 | 209,902 |
| Subdivisions by Country | 0 | - | 4.86 | 50,103 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,899 |
| Megadiverse Countries | 0 | - | 4.97 | 133,965 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,956 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,957 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,468 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,877 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,763 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,055 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,190 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,221 |
| 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 | 75,742 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,456 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,555 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,540 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,731 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,064 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,818 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,415 |
| Countries with Double Letters | 0 | - | 4.96 | 93,546 |
| Countries that End in N | 0 | - | 4.94 | 157,031 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,854 |
| Countries with Six Letters | 0 | - | 4.93 | 210,529 |
| Countries with W | 0 | - | 4.97 | 158,331 |
| Countries with Z | 0 | - | 4.98 | 288,057 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,652 |
| Countries That End in U | 0 | - | 4.95 | 119,578 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,732 |
| Countries that End in O | 0 | - | 4.92 | 158,610 |
| Countries that End in R | 0 | - | 4.87 | 118,327 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,894 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,260 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,448 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,570 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,115 |
| Countries That End in Y | 0 | - | 4.90 | 185,250 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,496 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,797 |
| Countries that End in I | 0 | - | 4.94 | 134,487 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,329 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,248 |
| Countries That End in NIA | 0 | - | 4.92 | 109,066 |
| Countries That End in BIA | 0 | - | 4.92 | 147,779 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,161 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,567 |
| Countries That End in RIA | 0 | - | 4.93 | 126,142 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,098 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,498 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,598 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,966 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,454 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,969 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,198 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,721 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,851 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,903 |
| Countries that End in L | 0 | - | 4.94 | 156,089 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 211,667 |
| 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 | 118,362 |
