| Biggest Countries by Area | 0 | - | 4.99 | 1,045,084 |
| Northernmost Countries | 0 | - | 4.99 | 360,090 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,327 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,831 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,555 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,096 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,440 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,609 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,755 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,219 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,219 |
| Widest Countries East to West | 0 | - | 4.92 | 129,284 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,368 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,845 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,973 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,452 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,129 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,477 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,200 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,708 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,093 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,412 |
| Landlocked Countries | 0 | - | 4.99 | 418,061 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,557 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,273,330 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,412 |
| Top Olive Oil Producing Countries | 0 | - | 4.91 | 81,448 |
| Countries Producing the Most Oranges | 0 | - | 4.81 | 51,367 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,035 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 124,947 |
| Countries with the Highest Life Expectancy | 0 | - | 4.90 | 207,717 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,632 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,559 |
| Himalayan Countries | 0 | - | 4.94 | 137,045 |
| Andean Countries | 0 | - | 4.95 | 83,742 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,992 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,361 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,666 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,237 |
| Danube Countries | 0 | - | 4.97 | 71,565 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,419 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,977 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,492 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,548 |
| European Landlocked Countries | 0 | - | 4.99 | 146,671 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,003 |
| Countries with the Most Species | 0 | - | 4.99 | 102,752 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,143 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,389 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,555 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,251 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,921 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,304 |
| Countries in the Alps | 0 | - | 4.87 | 117,557 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,044 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,197 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,360 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,893 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,002 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,386 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,168 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,114 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,919 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,479 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,437 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,299 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,858 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,121 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,147 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,002 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,997 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,520 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,406 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,906 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,016 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,930 |
| Largest Countries By Category | 0 | - | 4.97 | 157,510 |
| Countries by Countries | 0 | - | 4.96 | 62,760 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,081 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,132 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,245 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,751,368 |
| Countries that Produce the Most Palm Oil | 0 | - | 4.81 | 18,009 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,620 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,693 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,801 |
| Coldest Countries | 0 | - | 4.97 | 138,218 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,506 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,143 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,623 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,402 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,578 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,197 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,367 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,648 |
| Island Countries | 0 | - | 4.99 | 709,376 |
| Countries of South America | 0 | - | 5.00 | 921,834 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,661 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,738 |
| "Land" Countries | 0 | - | 4.98 | 335,576 |
| Countries with the Highest Obesity Rate | 0 | - | 4.45 | 189,478 |
| Top 10 Diamond Producing Countries | 0 | - | 4.47 | 33,180 |
| Countries with the Longest Perimeter | 0 | - | 4.74 | 89,010 |
| Recipients of U.S. Foreign Aid | 0 | - | 4.42 | 32,401 |
| Poorest Countries with Exceptions | 0 | - | 4.74 | 131,261 |
| Most Densely Populated Countries with Exceptions | 0 | - | 4.53 | 46,376 |
| Countries with the Most Area in the Tropics | 0 | - | 4.42 | 45,007 |
| Most Fragile Countries not in Africa | 0 | - | 4.45 | 63,180 |
| Countries by Wealth per Capita | 0 | - | 4.68 | 79,051 |
| Countries with the Most People in Extreme Poverty | 0 | - | 4.48 | 102,607 |
| Countries with the Lowest Murder Rate | 0 | - | 4.63 | 77,407 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,792 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,724 |
| Countries with Megacities | 0 | - | 4.99 | 249,851 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,559 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,809 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,877 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,802 |
| Countries by Official Language | 0 | - | 4.95 | 194,474 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,308 |
| Countries in their Native Language | 0 | - | 4.99 | 198,038 |
| Independence from Whom | 0 | - | 4.99 | 211,147 |
| Subdivisions by Country | 0 | - | 4.86 | 50,252 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,575 |
| Megadiverse Countries | 0 | - | 4.96 | 134,708 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,168 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,148 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,706 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,992 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,620 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,319 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,844 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,768 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,450 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,936 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,696 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,665 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,903 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,734 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,069 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,281 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,958 |
| World Map Quiz | 0 | - | 4.81 | 64,386 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,137 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,942 |
| Countries with Double Letters | 0 | - | 4.97 | 94,929 |
| Countries that End in N | 0 | - | 4.95 | 169,559 |
| Countries with Five Letters | 0 | - | 4.96 | 278,724 |
| Countries with Six Letters | 0 | - | 4.94 | 212,273 |
| Countries with W | 0 | - | 4.97 | 159,398 |
| Countries with Z | 0 | - | 4.98 | 289,610 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,597 |
| Countries That End in U | 0 | - | 4.95 | 120,349 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,614 |
| Countries that End in O | 0 | - | 4.92 | 159,143 |
| Countries that End in R | 0 | - | 4.87 | 118,682 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,468 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,179 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,016 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,011 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,597 |
| Countries That End in Y | 0 | - | 4.90 | 185,605 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,110 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,325 |
| Countries that End in I | 0 | - | 4.94 | 134,820 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,954 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,532 |
| Countries That End in NIA | 0 | - | 4.92 | 109,454 |
| Countries That End in BIA | 0 | - | 4.93 | 148,765 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,624 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,983 |
| Countries That End in RIA | 0 | - | 4.93 | 126,463 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,556 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,485 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,110 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,451 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,016 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,268 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,600 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,160 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,044 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,156 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,437 |
| Countries that End in L | 0 | - | 4.94 | 156,479 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,660 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,139 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,795 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,667 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,716 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,606 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,033 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,534 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 163,003 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,483 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,491 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,919 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.80 | 108,339 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,572 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,603 |
| One Border Countries | 0 | - | 4.98 | 467,244 |
