| Biggest Countries by Area | 0 | - | 5.00 | 1,050,302 |
| Northernmost Countries | 0 | - | 4.99 | 362,116 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,157 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,316 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,029 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,299 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,929 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,041 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,324 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,463 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,598 |
| Widest Countries East to West | 0 | - | 4.92 | 129,684 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,464 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,423 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,133 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,790 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,625 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,905 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,384 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,807 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,723 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,096 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,202 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,873 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,679 |
| Countries Producing the Most Oranges | 0 | - | 4.81 | 51,698 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,775 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 125,989 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,609,976 |
| Landlocked Countries | 0 | - | 4.99 | 422,321 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,209 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 18,160 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,159 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,268 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,692 |
| Himalayan Countries | 0 | - | 4.95 | 138,897 |
| Andean Countries | 0 | - | 4.93 | 84,711 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,914 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,973 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,533 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,872 |
| Danube Countries | 0 | - | 4.97 | 72,059 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,075 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,468 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,376 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,867 |
| European Landlocked Countries | 0 | - | 4.99 | 147,188 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,715 |
| Countries with the Most Species | 0 | - | 4.99 | 103,271 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,833 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,613 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,735 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,574 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,261 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,707 |
| Countries in the Alps | 0 | - | 4.87 | 118,263 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,341 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,095 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,692 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,634 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,556 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,978 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,715 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,538 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,202 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,889 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,673 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,547 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,257 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,509 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,568 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,985 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,342 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,212 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,137 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,114 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,226 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,261 |
| Largest Countries By Category | 0 | - | 4.97 | 158,276 |
| Countries by Countries | 0 | - | 4.96 | 63,272 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,739 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,708 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,229 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,394 |
| Coldest Countries | 0 | - | 4.97 | 138,749 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,763 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,632 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,062 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,655 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,848 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,839 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,611 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,557 |
| Island Countries | 0 | - | 4.99 | 711,163 |
| Countries of South America | 0 | - | 5.00 | 927,809 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,598 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,407 |
| "Land" Countries | 0 | - | 4.98 | 337,433 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,515 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 190,201 |
| Top 10 Diamond Producing Countries | 0 | - | 4.47 | 33,247 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 89,327 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,504 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 131,637 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,442 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 45,065 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 63,383 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 79,364 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 102,943 |
| Countries with the Lowest Murder Rate | 0 | - | 4.62 | 77,750 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,981 |
| Countries with Megacities | 0 | - | 4.99 | 264,763 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,823 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,517 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,078 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,593 |
| Countries by Official Language | 0 | - | 4.95 | 195,316 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,474 |
| Countries in their Native Language | 0 | - | 4.99 | 199,110 |
| Independence from Whom | 0 | - | 4.99 | 212,178 |
| Subdivisions by Country | 0 | - | 4.86 | 50,440 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,793 |
| Megadiverse Countries | 0 | - | 4.96 | 135,047 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,158 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,377 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,253 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,120 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,179 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,615 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,519 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,052 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,677 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,160 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,737 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,909 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,224 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,985 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,373 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,512 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,284 |
| World Map Quiz | 0 | - | 4.81 | 65,143 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,458 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,383 |
| Countries with Double Letters | 0 | - | 4.96 | 96,297 |
| Countries that End in N | 0 | - | 4.95 | 171,191 |
| Countries with Five Letters | 0 | - | 4.96 | 282,611 |
| Countries with Six Letters | 0 | - | 4.94 | 213,629 |
| Countries with W | 0 | - | 4.97 | 160,377 |
| Countries with Z | 0 | - | 4.98 | 291,537 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,749 |
| Countries That End in U | 0 | - | 4.95 | 120,870 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,509 |
| Countries that End in O | 0 | - | 4.92 | 159,529 |
| Countries that End in R | 0 | - | 4.87 | 118,977 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,745 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,159 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,723 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,497 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,417 |
| Countries That End in Y | 0 | - | 4.91 | 185,890 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,962 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,889 |
| Countries that End in I | 0 | - | 4.94 | 135,112 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,145 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,833 |
| Countries That End in NIA | 0 | - | 4.92 | 109,802 |
| Countries That End in BIA | 0 | - | 4.93 | 149,233 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,142 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,447 |
| Countries That End in RIA | 0 | - | 4.93 | 126,821 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,039 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,698 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,743 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,166 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,723 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,589 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,051 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,451 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,543 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,439 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 54,006 |
| Countries that End in L | 0 | - | 4.94 | 156,863 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 215,902 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,273 |
| City to Country Quiz #1 | 0 | - | 4.97 | 156,041 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,971 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 79,018 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,803 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,690 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 143,116 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,803 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 225,500 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,890 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 71,116 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,714 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,891 |
| One Border Countries | 0 | - | 4.98 | 470,046 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,836,052 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,634,251 |
