| Biggest Countries by Area | 0 | - | 5.00 | 1,013,810 |
| Northernmost Countries | 0 | - | 4.99 | 347,195 |
| Southernmost Countries of the World | 0 | - | 4.99 | 221,882 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 101,311 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 118,977 |
| Countries With the Most Languages | 0 | - | 4.89 | 193,847 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 105,393 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 90,704 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 95,710 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,556 |
| Tallest Countries North to South | 0 | - | 4.83 | 117,514 |
| Widest Countries East to West | 0 | - | 4.92 | 126,465 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,652 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 182,464 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,475 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 91,990 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 144,635 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,519 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,046 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,401,923 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,106 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 396,078 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,016 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,375,790 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 177,710 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 80,026 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 141,510 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 119,032 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 204,686 |
| Countries with the Most Borders | 0 | - | 4.97 | 377,450 |
| Sahara Desert Countries | 0 | - | 4.98 | 152,225 |
| Himalayan Countries | 0 | - | 4.95 | 127,974 |
| Andean Countries | 0 | - | 4.93 | 72,085 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,278 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 117,496 |
| Coffee Producing Countries | 0 | - | 4.84 | 62,655 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 61,712 |
| Danube Countries | 0 | - | 4.97 | 62,421 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 99,049 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,434 |
| Countries with the Worst Passports | 0 | - | 4.93 | 77,738 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 142,722 |
| European Landlocked Countries | 0 | - | 4.99 | 143,141 |
| Partially Recognized Countries | 0 | - | 4.98 | 101,166 |
| Countries with the Most Species | 0 | - | 4.99 | 93,664 |
| Countries 197 to 205 | 0 | - | 4.88 | 66,028 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,357 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,555 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,556 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,046 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,114 |
| Countries in the Alps | 0 | - | 4.87 | 113,498 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,364 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 101,019 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,572 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 92,852 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,759 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,216 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,927 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,073 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 48,950 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,138 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,114 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,935 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,636 |
| Arctic Ocean Countries | 0 | - | 4.94 | 77,103 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,011 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 112,459 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,017 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,867 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,604 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 229,409 |
| World Countries - Blind Typing | 0 | - | 5.00 | 99,718 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,232 |
| Largest Countries By Category | 0 | - | 4.97 | 153,531 |
| Countries by Countries | 0 | - | 4.96 | 60,028 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,485,384 |
| Country Flags with the Most White | 0 | - | 4.86 | 134,238 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,207 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,543 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,572,604 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 217,714 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 161,435 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 165,847 |
| Coldest Countries | 0 | - | 4.97 | 134,436 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.88 | 62,792 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.92 | 57,356 |
| Countries with the Shortest Total Borders | 0 | - | 4.93 | 100,687 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 88,402 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 80,913 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 364,900 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 389,908 |
| Island Countries Quiz | 0 | - | 4.99 | 698,729 |
| Countries of South America | 0 | - | 5.00 | 884,301 |
| Countries of Oceania | 0 | - | 5.00 | 1,002,555 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,778,229 |
| Lowest Fertility Countries | 0 | - | 4.41 | 96,208 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 186,698 |
| Top 10 Diamond Producing Countries | 0 | - | 4.46 | 32,770 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 87,430 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 31,743 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 128,705 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 45,971 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 44,594 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 61,990 |
| Countries by Wealth per Capita | 0 | - | 4.63 | 77,215 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 100,368 |
| Countries with the Lowest Murder Rate | 0 | - | 4.61 | 75,478 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,306,678 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,074 |
| Countries with Megacities | 0 | - | 4.99 | 224,995 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,375 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,696 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,410 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 76,203 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 308,167 |
| Countries by Official Language | 0 | - | 4.95 | 187,357 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 286,555 |
| Countries in their Native Language | 0 | - | 4.98 | 191,566 |
| Independence from Whom | 0 | - | 4.99 | 204,342 |
| Subdivisions by Country | 0 | - | 4.85 | 49,242 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 126,810 |
| Megadiverse Countries | 0 | - | 4.97 | 131,996 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 125,189 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,938 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 123,095 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,086 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,800 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,653 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,653 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 89,696 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,787 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,363 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,841 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 71,091 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,692 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,911 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,376 |
| Straight Shot to the Arctic Circle | 0 | - | 4.87 | 73,118 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,560 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 102,621 |
| World Map Quiz | 0 | - | 4.83 | 60,259 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 88,616 |
| Countries with Double Letters | 0 | - | 4.97 | 87,662 |
| Countries that End in N | 0 | - | 4.93 | 151,154 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 251,888 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 205,155 |
| Countries with W | 0 | - | 4.97 | 153,767 |
| Countries with Z | 0 | - | 4.98 | 281,244 |
| Countries with Letters Missing | 0 | - | 4.97 | 180,354 |
| Countries That End in U | 0 | - | 4.95 | 116,926 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 104,493 |
| Countries that End in O | 0 | - | 4.92 | 156,363 |
| Countries that End in R | 0 | - | 4.83 | 101,254 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,158 |
| Countries Ending in "IA" | 0 | - | 4.99 | 202,077 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 166,255 |
| Countries by Last Two Letters | 0 | - | 4.88 | 132,291 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 138,240 |
| Countries That End in Y | 0 | - | 4.91 | 183,653 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 192,984 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 148,804 |
| Countries that End in I | 0 | - | 4.92 | 118,484 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 178,765 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,726 |
| Countries That End in NIA | 0 | - | 4.92 | 107,266 |
| Countries That End in BIA | 0 | - | 4.92 | 145,435 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 163,218 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 116,412 |
| Countries That End in RIA | 0 | - | 4.92 | 124,216 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,760 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 219,757 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 129,565 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 121,672 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 87,436 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,480 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 50,189 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 100,280 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 121,955 |
| Countries that are Free from U.S.A. | 0 | - | 4.88 | 47,473 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 50,075 |
| Countries that End in L | 0 | - | 4.94 | 153,599 |
| "Land" Countries | 0 | - | 4.98 | 302,919 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 200,425 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,402 |
| City to Country Quiz #1 | 0 | - | 4.96 | 152,950 |
| City to Country Quiz #3 | 0 | - | 4.88 | 106,887 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,872 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 223,157 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 195,268 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,757 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 159,042 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 219,241 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 149,128 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,602 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,669 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,457 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,714 |
| One Border Countries | 0 | - | 4.97 | 450,929 |
| Most Expensive Countries | 0 | - | 4.06 | 113,346 |
