| Biggest Countries by Area | 0 | - | 5.00 | 1,015,657 |
| Northernmost Countries | 0 | - | 4.99 | 347,741 |
| Southernmost Countries of the World | 0 | - | 4.99 | 222,319 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 101,635 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 119,304 |
| Countries With the Most Languages | 0 | - | 4.89 | 194,380 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 91,059 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 96,279 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 59,696 |
| Tallest Countries North to South | 0 | - | 4.83 | 117,699 |
| Widest Countries East to West | 0 | - | 4.92 | 126,672 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,729 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 182,884 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 96,548 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 92,128 |
| Largest Countries as a Percent of Continent | 0 | - | 4.98 | 145,223 |
| Countries with the Most Desert | 0 | - | 4.93 | 125,148 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,579 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,098 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,404,036 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 369,512 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 397,382 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 118,264 |
| Countries of the World Quiz | 0 | - | 5.00 | 45,500,728 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 177,868 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 80,145 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 141,642 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 119,421 |
| Countries with the Highest Life Expectancy | 0 | - | 4.89 | 204,865 |
| Countries with the Most Borders | 0 | - | 4.97 | 377,804 |
| Sahara Desert Countries | 0 | - | 4.98 | 152,863 |
| Himalayan Countries | 0 | - | 4.95 | 128,506 |
| Andean Countries | 0 | - | 4.93 | 72,383 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 59,474 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 117,896 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 61,965 |
| Danube Countries | 0 | - | 4.97 | 62,594 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 99,249 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 83,602 |
| Countries with the Worst Passports | 0 | - | 4.93 | 78,281 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 143,102 |
| European Landlocked Countries | 0 | - | 4.99 | 143,371 |
| Partially Recognized Countries | 0 | - | 4.98 | 101,503 |
| Countries with the Most Species | 0 | - | 4.99 | 93,768 |
| Countries 197 to 205 | 0 | - | 4.88 | 66,333 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,431 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,619 |
| Countries that Use the Peso | 0 | - | 4.87 | 57,661 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 71,187 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 55,273 |
| Countries in the Alps | 0 | - | 4.87 | 113,765 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 92,553 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 101,357 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,707 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 93,058 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,957 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 93,368 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 97,121 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,242 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 49,096 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 60,300 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,218 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,048 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 101,759 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,249 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,195 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 112,828 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,136 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,963 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 41,821 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 230,195 |
| World Countries - Blind Typing | 0 | - | 5.00 | 100,166 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,337 |
| Largest Countries By Category | 0 | - | 4.97 | 153,804 |
| Countries by Countries | 0 | - | 4.96 | 60,217 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,494,022 |
| Country Flags with the Most White | 0 | - | 4.86 | 134,479 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,262 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,687 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,584,598 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 217,975 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 161,691 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 166,118 |
| Coldest Countries | 0 | - | 4.97 | 134,666 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.88 | 62,891 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.92 | 57,994 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 100,843 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 88,489 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 81,014 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 365,820 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 390,727 |
| Island Countries Quiz | 0 | - | 4.99 | 699,576 |
| Countries of South America | 0 | - | 5.00 | 887,193 |
| Countries of Oceania | 0 | - | 5.00 | 1,005,996 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,784,246 |
| Lowest Fertility Countries | 0 | - | 4.41 | 96,302 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 186,861 |
| Top 10 Diamond Producing Countries | 0 | - | 4.46 | 32,798 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 87,524 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 31,795 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 128,851 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 45,993 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 44,613 |
| Most Fragile Countries not in Africa | 0 | - | 4.44 | 62,077 |
| Countries by Wealth per Capita | 0 | - | 4.63 | 77,343 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.47 | 100,518 |
| Countries with the Lowest Murder Rate | 0 | - | 4.62 | 75,611 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,311,895 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 165,534 |
| Countries with Megacities | 0 | - | 4.99 | 225,597 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,799 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,925 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,770 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 76,473 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 309,184 |
| Countries by Official Language | 0 | - | 4.95 | 188,355 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 287,529 |
| Countries in their Native Language | 0 | - | 4.98 | 192,301 |
| Independence from Whom | 0 | - | 4.99 | 204,723 |
| Subdivisions by Country | 0 | - | 4.85 | 49,304 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 127,096 |
| Megadiverse Countries | 0 | - | 4.97 | 132,090 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 125,826 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,010 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 123,202 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,171 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,847 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 157,849 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,747 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 89,933 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,875 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,432 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,887 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 71,371 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,790 |
| Countries Furthest from the United States | 0 | - | 4.94 | 87,027 |
| Countries with the Highest HDI | 0 | - | 4.95 | 135,478 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 73,223 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,645 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 103,249 |
| World Map Quiz | 0 | - | 4.84 | 60,527 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 143,520 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 88,734 |
| Countries with Double Letters | 0 | - | 4.97 | 87,968 |
| Countries that End in N | 0 | - | 4.93 | 151,388 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 252,502 |
| Countries with Six Letters Quiz | 0 | - | 4.93 | 205,478 |
| Countries with W | 0 | - | 4.97 | 154,103 |
| Countries with Z | 0 | - | 4.98 | 281,562 |
| Countries with Letters Missing | 0 | - | 4.97 | 180,578 |
| Countries That End in U | 0 | - | 4.95 | 117,034 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 104,740 |
| Countries that End in O | 0 | - | 4.92 | 156,477 |
| Countries that End in R | 0 | - | 4.84 | 101,329 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 153,224 |
| Countries Ending in "IA" | 0 | - | 4.99 | 202,346 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 166,446 |
| Countries by Last Two Letters | 0 | - | 4.88 | 132,441 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 138,406 |
| Countries That End in Y | 0 | - | 4.91 | 183,747 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 193,212 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.93 | 149,016 |
| Countries that End in I | 0 | - | 4.92 | 118,543 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 179,027 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 93,803 |
| Countries That End in NIA | 0 | - | 4.92 | 107,374 |
| Countries That End in BIA | 0 | - | 4.92 | 145,569 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 163,409 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 116,569 |
| Countries That End in RIA | 0 | - | 4.92 | 124,329 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 107,915 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 220,164 |
| Divided Country Name Puzzle #2 | 0 | - | 4.98 | 129,790 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 121,900 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 87,641 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 72,581 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 50,322 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 100,429 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.97 | 122,133 |
| Countries that are Free from U.S.A. | 0 | - | 4.88 | 47,558 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 50,259 |
| Countries that End in L | 0 | - | 4.94 | 153,728 |
| "Land" Countries | 0 | - | 4.98 | 303,137 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 200,663 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,433 |
| City to Country Quiz #1 | 0 | - | 4.96 | 153,057 |
| City to Country Quiz #3 | 0 | - | 4.88 | 106,988 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 76,977 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 223,471 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 195,482 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 123,870 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 159,219 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.93 | 219,452 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 149,238 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.88 | 69,666 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.83 | 106,735 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.94 | 85,506 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 60,819 |
| One Border Countries | 0 | - | 4.98 | 451,526 |
| Most Expensive Countries | 0 | - | 4.06 | 113,399 |
